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Psychological Encyclopedia

Macchiato: What It Is, Types, Caffeine, and Why Small Changes Alter Perception

Sep 28
19 min read

Author: Ukrainian Psychological Hub · Published: September 28, 2026 · Editorial Policy


A macchiato is an espresso-based coffee in which one component is “marked” by a small amount of another. In the traditional caffè macchiato, espresso is marked with a little milk or milk foam, so the drink remains small, concentrated, and unmistakably espresso-forward. In a latte macchiato, the direction is reversed: milk is marked with coffee, producing a much larger, milk-forward drink. Modern coffee chains also use the word macchiato for sweetened, flavored drinks that can differ substantially from either Italian form.


That distinction solves most of the confusion around the word. “Macchiato” does not identify one universal cup size, fixed espresso-to-milk ratio, caffeine dose, sweetness level, or café recipe. It describes a relationship between coffee and milk. The most useful first question is therefore not “How many ounces is a macchiato?” but “Which macchiato do you mean?”


Caffeine is also easy to misunderstand. The milk in a traditional espresso macchiato changes flavor, texture, temperature, volume, and perceived intensity, but it does not remove the caffeine already extracted into the espresso. If an espresso macchiato and a straight espresso start with the same shot, their total caffeine is essentially determined by that espresso dose. Published measurements show that real café espresso can vary widely in caffeine, so shot count, coffee dose, bean composition, and extraction matter more than the word macchiato itself. Crozier and colleagues found a sixfold difference in caffeine among 20 commercial espressos.


The small amount of milk can nevertheless change the drinking experience much more than its volume suggests. Milk changes aroma release, bitterness and roast perception, mouthfeel, visual appearance, and temperature. Foam changes texture and the way liquid reaches the mouth. Crema contributes its own aroma and tactile cues. Cup shape and visual presentation can shift expectations before the first sip. The psychology of a macchiato begins after the coffee is correctly defined: perception integrates the beverage’s physical properties with what the drinker sees, smells, feels, expects, and has learned to prefer.


What is a macchiato?


In ordinary café use, “macchiato” most often means an espresso macchiato, also called caffè macchiato: espresso with a small mark of milk, steamed milk, or milk foam. The espresso remains the base and dominant sensory component.


This is consistent with Italian lexical usage. Treccani defines caffè macchiato as coffee with a few drops of milk. The same dictionary describes latte macchiato as milk with a small amount of coffee. The order of the words therefore matters. Caffè macchiato is coffee marked by milk; latte macchiato is milk marked by coffee.


English-language menus often shorten caffè macchiato to simply macchiato. That shorthand works only when the café’s convention is clear. In a traditional espresso bar, the expected drink is small and espresso-led. In a chain café, the same word may appear inside a larger branded recipe with more milk, syrup, flavoring, ice, or toppings.


The defining idea is proportion and direction, not a universal recipe. A traditional macchiato contains much less milk than a latte or cappuccino, but cafés differ in whether the mark is a spoonful of foam, a small pour of steamed milk, microfoam, or some combination. That variability is part of real café practice and is more accurate than pretending that every macchiato must obey one global ratio.


What does “macchiato” mean?


Macchiato is Italian for marked or stained. In food and drink language, the word describes one thing altered visibly or sensorially by a small amount of another.


The name is especially useful because it encodes the structure of the drink. In caffè macchiato, coffee is the dominant substance and milk is the mark. In latte macchiato, milk is dominant and coffee is the mark. The two drinks therefore share a linguistic principle while producing very different sensory experiences.


This also explains why the word by itself has become ambiguous outside Italy. Once “macchiato” is detached from caffè or latte, the listener has to infer which component is being marked. Café culture, chain branding, country, cup size, and local convention can all change that inference.


The main types of macchiato


There are three forms a coffee drinker is most likely to encounter: espresso macchiato, latte macchiato, and the modern sweetened or caramel macchiato sold by some chains. They should be treated as distinct recipes rather than as interchangeable names for the same drink.


Espresso macchiato or caffè macchiato


The espresso macchiato is the traditional espresso-led form. Start with espresso, then add a small amount of milk or foam. The cup remains small. Espresso concentration, aroma, acidity, bitterness, roast character, body, and crema remain prominent.


The milk is an accent rather than the bulk of the beverage. Its practical effect can be surprisingly large because even a small amount changes the first contact with the tongue, the distribution of foam and crema, aroma release, temperature, and the balance between bitterness and sweetness.


An espresso macchiato can be made with a single or double espresso depending on the café. That choice matters more for caffeine than whether the top is marked with one spoonful or two spoonfuls of milk.


Latte macchiato


Latte macchiato reverses the architecture. Milk is the base, and coffee marks it. The result is typically much larger, more milk-forward, and softer in coffee concentration than an espresso macchiato.


Because the milk volume is high, latte macchiato is closer in sensory balance to other milk-based espresso drinks than to a traditional macchiato. It can also be visually layered when espresso is poured into milk in a way that creates visible separation. The visual layers are attractive, but the presence of layers is not what determines caffeine. Caffeine still follows the amount and composition of the espresso added.


The linguistic reversal is the cleanest way to remember the difference: caffè macchiato means coffee marked by milk; latte macchiato means milk marked by coffee.


Caramel macchiato and other chain-style macchiatos


A caramel macchiato is a modern café recipe rather than a synonym for the traditional espresso macchiato. Recipes vary by company and size, but these drinks commonly combine milk, espresso, sweetener or flavored syrup, and a caramel component, often in a much larger serving than an Italian caffè macchiato.


The important point is not to police the name. Café language evolves, and branded menu names become real consumer categories. The useful distinction is structural. If a drink is large, milk-forward, sweetened, flavored, and built around a chain-specific recipe, its taste, calorie content, sweetness, caffeine, and sensory profile must be evaluated from that recipe rather than inferred from the traditional word macchiato.


When ordering, saying “espresso macchiato” is the simplest way to request the small espresso-forward drink. Saying “latte macchiato” identifies the milk-forward version.


How is an espresso macchiato made?


A practical espresso macchiato needs only espresso and a small amount of milk. The exact dose, yield, milk quantity, and foam style can be adapted to the espresso and the drinker’s preference.


First, brew a balanced espresso into a small cup. The espresso should be good enough to drink on its own because very little milk will be present to change its underlying extraction character.


Second, steam a small amount of milk. For a modern texture, aim for fine, glossy microfoam rather than large dry bubbles. You do not need a full pitcher of milk for the drink itself, although steaming technique may require enough milk in the pitcher for the wand to work properly.


Third, add only enough milk or foam to mark the espresso. Some cafés spoon a small cap of foam onto the center. Others pour a small amount of textured milk. Both preserve the essential structure as long as espresso remains dominant.


Finally, serve immediately. In a drink this small, temperature and foam structure change quickly. Waiting several minutes changes the relation among crema, foam, liquid coffee, aroma, and temperature more noticeably than it does in a large milk drink.


There is no scientific reason to treat one teaspoon, one tablespoon, one specific ratio, or one exact foam height as a universal law of macchiato. Those can be useful house recipes, but the category itself is broader. The drink should remain recognizably espresso with a small milk mark.


How much milk is in a macchiato?


A traditional espresso macchiato uses a small amount of milk relative to espresso. That is the reliable answer. The exact amount varies.


This matters because online guides often turn café conventions into false precision. A recipe may work perfectly at one shop and still fail as a universal definition because espresso dose, cup size, steaming style, milk texture, and local tradition differ. A macchiato made from a single traditional espresso with a spoonful of foam and one made from a modern double espresso with a short pour of microfoam can both preserve the same structural idea.


If the milk becomes the majority of the beverage, the drink is moving toward latte macchiato or another milk-forward espresso category. If the milk is only a mark, accent, or small texture layer, it remains close to the traditional caffè macchiato concept.


What does a macchiato taste like?


A traditional espresso macchiato tastes primarily like espresso. Compared with a straight espresso made from the same shot, it usually feels slightly softer, rounder, sweeter, or creamier because milk introduces lactose sweetness, proteins, fat, water, and a different texture while diluting the coffee only modestly.


The espresso’s origin, blend, roast, dose, extraction, and serving temperature still dominate. A fruit-forward light-roast espresso will not become a chocolate-heavy drink simply because it receives a little milk. A dark, roasty espresso will not lose its roast chemistry. Milk modifies the sensory balance rather than replacing the underlying coffee.


Research supports the idea that milk can alter coffee perception through several channels at once. In a 2025 study using medium- and dark-roasted Arabica, adding cow or oat milk changed perceived flavor patterns and reduced the dominance of several coffee-related sensations; the sensory changes did not map in a simple one-to-one way onto measured volatile release. Cleve and colleagues’ results show why “milk softens coffee” is a sensory statement involving more than simple dilution.


The amount of milk matters. A tiny mark can change the leading edge of bitterness and mouthfeel while leaving espresso intensity obvious. A larger addition progressively lowers coffee concentration, increases milkiness and creaminess, and shifts the beverage toward a different category.


How much caffeine is in a macchiato?


There is no single caffeine number for “a macchiato.” For a traditional espresso macchiato, caffeine is determined mainly by the espresso used to make it.


If you take one espresso and add a spoonful of milk, you have changed total beverage volume but have not meaningfully changed the amount of caffeine already extracted into the espresso. The caffeine concentration per milliliter may decrease slightly because the drink is larger, but total caffeine remains essentially the caffeine dose of the original espresso.


If a café uses two shots instead of one, total caffeine can rise substantially. Bean species and blend, dry coffee dose, extraction yield, shot volume, and barista practice also matter. Crozier and colleagues measured a sixfold difference in caffeine across 20 commercial espresso coffees, showing why a fixed “one espresso equals X milligrams” rule is unreliable across cafés.


Another study of specialty coffee found wide variability both across drinks and, in repeated purchases, within the same beverage from the same outlet on different days. McCusker, Goldberger, and Cone reported caffeinated specialty-coffee doses ranging from 58 to 259 mg and even larger day-to-day variation in one repeatedly sampled beverage. Those measurements were not a macchiato standard; they demonstrate why recipe labels alone cannot guarantee a caffeine dose.


For a latte macchiato or a chain-style macchiato, the same principle applies: count the espresso shots and use the café’s own caffeine information when available. The size of the milk portion is a poor proxy for total caffeine.


Is a macchiato stronger than espresso?


If “stronger” means more intense in coffee flavor than straight espresso, usually no. A traditional macchiato begins with espresso and adds milk, so the coffee is slightly less concentrated after the addition.


If “stronger” means caffeine per milliliter, straight espresso will generally be at least as concentrated because the macchiato adds noncaffeinated milk. If “stronger” means total caffeine per serving, the answer depends on how many shots are used. A double macchiato can contain more caffeine than a single espresso simply because it contains more espresso.


If “stronger” means subjective stimulation, individual sensitivity, drinking speed, prior caffeine exposure, sleep, food intake, and expectation all matter. Sensory intensity and pharmacological dose are related only indirectly.


This is why “macchiato is stronger” is an incomplete statement. The drink may taste much stronger than a latte because it contains far less milk, yet it may have the same total caffeine as a latte prepared with the same espresso dose.


Macchiato vs latte


The simplest difference is milk proportion. A traditional espresso macchiato is espresso with a small milk mark. A latte is espresso combined with much more steamed milk, usually with a thin layer of microfoam.


That difference changes serving size, coffee concentration, texture, temperature trajectory, perceived bitterness, sweetness, aroma balance, and visual appearance. It does not automatically change caffeine. If both drinks contain the same espresso dose, their total caffeine can be similar even though the macchiato tastes much more coffee-intense.


A latte is designed around the integration of espresso and a substantial milk volume. A macchiato preserves espresso as the center of the experience.


Latte macchiato is a separate case. It is milk marked with coffee, so it belongs on the milk-forward side of the spectrum despite sharing the word macchiato.


Macchiato vs cappuccino


A cappuccino contains substantially more milk and foam than a traditional espresso macchiato and is designed as a balanced espresso-and-milk beverage rather than an espresso with a small mark.


The familiar idea that cappuccino must always contain perfectly equal thirds of espresso, steamed milk, and foam is a useful teaching shorthand rather than a universal scientific rule. Real recipes and competition standards vary. For the consumer, the robust distinction is that cappuccino is a composed milk drink, while espresso macchiato keeps milk to an accent.


Because cappuccino contains more milk, its coffee flavor is usually less concentrated than a macchiato made with the same espresso. Total caffeine, again, follows espresso dose rather than foam height.


Macchiato vs cortado and flat white


Cortado and flat white occupy different points on the espresso-and-milk spectrum. Both normally contain more milk than a traditional macchiato, and both rely on integrated milk texture rather than a minimal mark.


A cortado is generally a small, balanced espresso-and-milk drink. A flat white is typically larger and more milk-forward, with fine microfoam and a texture designed for integration. Exact recipes vary by region and café.


The useful ordering rule is sensory rather than numerical. Choose an espresso macchiato when you want espresso to remain dominant with only a touch of milk. Move toward cortado, flat white, cappuccino, or latte as you want progressively more milk volume, softer coffee concentration, and a larger drink.


Macchiato vs Americano


A macchiato and an Americano both begin with espresso, but the added ingredient changes the experience in different ways. An Americano adds water; a traditional macchiato adds a small amount of milk or foam.


Water mainly changes concentration, volume, temperature, and aroma release without adding fat, protein, sugar, or milk texture. Milk changes those physical properties while also introducing its own flavor, viscosity, opacity, proteins, lipids, and foam behavior. That is why a macchiato can feel rounder and creamier even when the added volume is small.


If the same espresso dose is used, neither water nor milk removes caffeine. They change concentration and sensory presentation while total caffeine remains tied to the espresso base.


Why can a tiny amount of milk change perception so much?


The phrase “small changes alter perception” should not be read as though psychology magically overrides the beverage. The physical drink really changes when milk is added. The psychological layer explains how those changed signals are integrated and interpreted.


Several mechanisms operate at once.


Milk changes the chemical and sensory matrix


Milk is not just white water. It contributes water, lactose, proteins, lipids, minerals, and its own volatile compounds. Those components can change viscosity, coating, aroma partitioning, and the relative prominence of coffee sensations.


Cleve and colleagues found that adding cow or oat milk to coffee strongly changed flavor perception, while the relationship between measured aroma release and reported perception remained complex. Earlier work likewise showed that milk-related ingredients can modify both the physical release of coffee aroma compounds and the way coffee is experienced.


This matters especially in a macchiato because the beverage is small. A few milliliters can represent a meaningful fraction of the final drink and can be concentrated at the surface, affecting the first sip disproportionately.


Foam changes mouthfeel and delivery


Foam introduces a gas-liquid structure rather than simply adding more liquid milk. Bubble size, viscosity, stability, and drainage alter how the beverage contacts the lips and tongue.


Steam-frothing conditions matter physically. Klimanova and colleagues found that milk processing type and steaming temperature changed microfoam stability, viscosity, and bubble-size distribution. Their results are a reminder that “a little foam” is not a single material state.


A dry cap of large bubbles and a glossy microfoam can therefore make two macchiatos with similar ingredient amounts feel different. That difference is not imaginary. Texture is part of the sensory stimulus.


Crema and milk interact at the surface


Espresso arrives with crema, a transient foam containing gas, liquid, oils, suspended material, and aroma-active compounds. Adding milk or milk foam changes this surface layer.


Research on espresso crema shows that crema amount can affect aroma release and the temporal dominance of roasted sensations. Barron and colleagues found that changing crema altered both volatile release and in-mouth sensory perception.


A macchiato therefore changes more than color when the white mark meets the crema. It modifies the structure through which aroma and texture are delivered during the earliest part of drinking.


Temperature changes the sequence of the sip


Milk can cool espresso, while steaming can add heat to the milk component. The final temperature depends on espresso temperature, milk temperature, quantity, cup temperature, and time after preparation.


Temperature matters because volatile release, sweetness, bitterness, mouthfeel, and comfort change as a beverage cools. Foam also evolves after steaming. A macchiato consumed immediately can therefore feel different from the same recipe left on the counter for several minutes.


The direction of the change is not universal because the starting temperatures and proportions differ. The robust point is temporal: a small drink with a high surface-area-to-volume ratio changes quickly, so timing becomes part of the sensory experience.


Vision and expectation influence what the drinker notices


Seeing a dark espresso with one white mark creates a different expectation from seeing a tall pale drink with visible layers. Those expectations can guide attention toward intensity, milkiness, sweetness, bitterness, or creaminess.



Milk perception itself is multisensory. Richardson-Harman and Booth showed that visual, oral, and olfactory information contribute differently to judgments of milkiness and creaminess in coffee. A visible white mark can therefore matter before its chemical contribution is fully sampled.


These effects do not mean labels or cups can transform any coffee into any other coffee. They mean perception is constructed from multiple real inputs, and small recipe changes can alter several inputs simultaneously.


Why does a macchiato often feel “strong” even when the caffeine is not higher?


A traditional macchiato is small and only lightly diluted, so the concentration of coffee flavor remains high. Aroma reaches the nose from a compact serving. Bitter, acidic, roasted, fruity, or chocolate-like notes are less masked by milk than they are in a latte. The drink is often consumed in a few sips, so its sensory impact is concentrated in time.


Those features make “strong” a natural description. But they describe perception and concentration, not necessarily total caffeine.


Imagine one espresso shot served three ways: straight, marked with a spoonful of milk, or combined with a large volume of milk. The total caffeine can remain approximately the same across all three if no coffee is removed and no additional espresso is added. Yet the straight espresso and macchiato will usually taste much more intense because the same coffee solubles are presented in a much smaller final volume.


This distinction between flavor intensity and pharmacological dose is central to the Coffee Psychology & Coffee Knowledge network. The tongue, nose, mouth, and visual system do not measure caffeine milligrams. They respond to a complex sensory mixture whose intensity can correlate poorly with total caffeine.


Does a macchiato taste sweeter even without sugar?


It can. Milk contains lactose and brings its own flavor and texture. More importantly, the perceived balance of the drink changes when milk reduces the dominance of bitter or roasty notes and increases creaminess.


That does not mean milk chemically removes bitterness from espresso. The original coffee compounds remain present, although their concentration and interactions change. Perceived sweetness can rise because the sensory context shifts: sweetness, bitterness, aroma, viscosity, temperature, and expectation are judged together.


The effect depends on the espresso and the milk. A tiny mark in a very dark espresso may only soften the edge. In a naturally sweet espresso, the same amount of milk may make caramel, chocolate, nutty, or creamy associations more salient. Plant-based milks add another layer because their sugar composition, fat, protein, aroma, and foaming properties differ from dairy milk.


Does the kind of milk matter?


Yes. Dairy milks with different fat and protein contents do not behave identically, and plant-based beverages can differ even more. Protein affects foam formation and stability; fat affects mouthfeel and can influence aroma behavior; added sugars or flavors change sweetness and aroma; stabilizers and emulsifiers can alter texture.


For a traditional macchiato, the amount of milk is small, so differences may be subtler than in a latte. They can still be noticeable because the milk sits at the surface and shapes the first sip.


The 2025 coffee study by Cleve and colleagues compared cow milk with oat milk and found distinct sensory effects. That evidence does not establish a universally “best” milk. It shows that substituting milk changes the sensory system being tasted.


How to order a macchiato without getting the wrong drink


If you want the traditional small drink, order an “espresso macchiato” or “caffè macchiato.” If you prefer a milk-forward layered drink, say “latte macchiato.” If you want a chain’s branded caramel or flavored macchiato, use the full menu name and size because its recipe may be specific to that company.


If caffeine matters, ask how many espresso shots are in the serving rather than judging by cup size or taste. If texture matters, ask whether the café uses steamed milk, microfoam, or a spoonful of foam. If dairy matters, specify the milk.


Those small clarifications are more useful than arguing about a single universal ratio. They translate the ambiguous menu word into the actual variables that determine the cup.


How to make a macchiato at home


Start with an espresso you already enjoy. Pull one single or double shot according to your machine and normal recipe.


Steam a small quantity of milk until it is smooth and fine-textured. You are not trying to build the volume of a latte. You need enough milk to create a controlled mark and enough in the pitcher for your steam wand to work properly.


Add a small spoonful or short pour of textured milk to the espresso. Taste it. On the next attempt, change only one variable: slightly more or less milk, a wetter or drier texture, or a slightly different serving temperature.


That one-variable approach is useful because the macchiato is unusually sensitive to proportion. If you change espresso dose, extraction, milk amount, milk type, foam texture, and temperature all at once, you will not know which change improved or weakened the result.


A good home macchiato should still taste like the espresso you brewed. The milk should modify the experience rather than erase the coffee.


Common macchiato myths and misunderstandings


A macchiato is not automatically a sweet drink. Traditional caffè macchiato contains espresso and a small amount of milk; sugar or syrup is optional.


A macchiato is not automatically more caffeinated than a latte. If both contain the same espresso dose, total caffeine can be similar while flavor intensity differs greatly.


Adding milk does not “neutralize” caffeine. It changes the beverage’s volume and sensory profile, not the amount of caffeine already present in the espresso.


A caramel macchiato is not a reliable model for the traditional Italian drink. It is a modern menu category with its own recipe.


Latte macchiato is not just a larger espresso macchiato. The structural direction is reversed: milk is the base and coffee is the mark.


There is no universal global macchiato ratio. A recipe can be standardized within a café, competition, or training system without becoming the only legitimate definition everywhere.


A coffee that tastes stronger is not necessarily more caffeinated. Flavor intensity, caffeine concentration, total caffeine per serving, and subjective stimulation are different variables.


FAQ


What is a macchiato in simple terms?


A traditional macchiato is espresso marked with a small amount of milk or milk foam. It stays small and espresso-forward.


What is the difference between a macchiato and a latte?


A macchiato uses very little milk relative to espresso. A latte uses much more steamed milk and is milk-forward. If both use the same espresso dose, the macchiato can taste stronger without containing more total caffeine.


What is the difference between espresso macchiato and latte macchiato?


Espresso macchiato is espresso marked with milk. Latte macchiato is milk marked with espresso. The first is coffee-forward and small; the second is milk-forward and much larger.


Is a caramel macchiato a real macchiato?


It is a real modern café drink sold under that name, but it is not the same recipe as traditional caffè macchiato. Treat it as a chain- or café-specific sweetened milk-and-espresso drink.


How much caffeine is in a macchiato?


There is no universal amount. In a traditional espresso macchiato, caffeine comes almost entirely from the espresso shot or shots. Published café measurements show large variability in espresso caffeine, so the exact dose depends on the coffee and recipe.


Does adding milk reduce caffeine?


It reduces caffeine concentration per milliliter by increasing total volume, but it does not remove the caffeine already in the espresso. Total caffeine stays essentially the same if the same espresso remains in the cup.


Is a macchiato stronger than a latte?


Usually stronger in coffee flavor and concentration, because it contains much less milk. It is not automatically stronger in total caffeine. That depends mainly on the espresso dose and shot count.


Is a macchiato stronger than espresso?


Not if “stronger” means coffee concentration from the same shot, because the macchiato adds milk. A double macchiato can have more total caffeine than a single espresso because it contains more espresso.


Is a macchiato sweet?


Traditional espresso macchiato is not necessarily sweetened. Milk can add some sweetness and can make bitterness feel less dominant, but added sugar or syrup is a separate recipe choice.


How much milk should I add to an espresso macchiato?


Add only a small amount—enough to mark the espresso while keeping espresso dominant. There is no single universal volume or ratio across all cafés and espresso recipes.


Can I make a macchiato with oat milk?


Yes. Oat milk can be used, but it changes flavor, sweetness, foam behavior, and mouthfeel compared with dairy milk. Different products also steam differently.


Why does a small amount of milk change the taste so much?


Because it changes several sensory variables at once: dilution, sweetness, bitterness balance, aroma release, viscosity, temperature, foam structure, color, and expectation. The effect is both physically real and perceptually integrated.


The macchiato in one sentence


A macchiato is best understood as a relationship: traditional caffè macchiato is espresso marked with a little milk, while latte macchiato is milk marked with coffee; caffeine follows the espresso dose, and the surprisingly large sensory effect of a small milk addition comes from real changes in chemistry, texture, aroma, temperature, and multisensory perception.


Related Articles


Coffee: Beans, Drinks, Caffeine, Brewing, Taste, and Psychology — the global Coffee Psychology & Coffee Knowledge hub.


Espresso: What It Is, How It Is Made, Caffeine, Crema, and Why It Feels Strong — the brewing base of traditional macchiato and the main source of its caffeine.


Americano Coffee: What It Is, Caffeine, Taste, and Why Dilution Changes Perceived Strength — another espresso-based drink that separates total caffeine from perceived strength.


Cortado: What It Is, Milk Ratio, Taste, and Why Balance Feels Different — compare a small balanced espresso-and-milk drink with the macchiato's much smaller milk addition.


Flat White: What It Is, Caffeine, Milk Texture, and How It Differs From a Latte — the live neighboring Flat White definition linked by the Coffee Drinks graph.


References


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Cleve, N., Gonzalez-Estanol, K., Khomenko, I., Pedrotti, M., Cappellin, L., Biasioli, F., & Beauchamp, J. (2025). Effects of roasting level and milk addition on in vivo aroma release and perception of coffee. Journal of Agricultural and Food Chemistry, 73(22), 13792–13808. https://pubmed.ncbi.nlm.nih.gov/40392949/


Crozier, T. W. M., Stalmach, A., Lean, M. E. J., & Crozier, A. (2012). Espresso coffees, caffeine and chlorogenic acid intake: Potential health implications. Food & Function, 3(1), 30–33. https://pubmed.ncbi.nlm.nih.gov/22130653/


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McCusker, R. R., Goldberger, B. A., & Cone, E. J. (2003). Caffeine content of specialty coffees. Journal of Analytical Toxicology, 27(7), 520–522. https://pubmed.ncbi.nlm.nih.gov/14607010/


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