Starbucks
Starbucks Caramel Macchiato Copycat Recipe
Vanilla syrup, milk, espresso poured last so it marks the foam, and a caramel drizzle. Two minutes once the syrup is made.
How to Make Costa Flat White at Home
The Flat White, and Why Costa's Tastes Heavier Than Everyone Else's
A flat white with body rather than froth, in under five minutes.
AI-generated illustration created for food.fast. It is not photographic evidence of a prepared batch.
A flat white is not a small latte and it is not a cappuccino without the chocolate. It is a specific ratio - a double ristretto against roughly 130 ml of milk - steamed to a texture the trade calls wet paint: glossy, pourable, with the bubbles so small you cannot see them individually. If you can spoon the foam off the top, it has been steamed like a cappuccino and the drink will taste thin.
What makes Costa's version taste like Costa's is the bean. Their house blend is roasted well past the third-wave standard, which strips out most of the fruit acidity and leaves cocoa, toasted nut and a frank bitterness. That bitterness is the point: it is the only thing that survives 130 ml of whole milk with anything to say.
So this recipe is really two instructions. Buy a dark roast, and steam the milk properly. Everything else is ratio, and the ratio is not hard.
How this page shows its working
The method gives quantities, timings and observable cues rather than asking you to guess. The 6 cases in If it goes wrong explain likely causes and corrective action; 2 ingredient notes explain choices that materially affect the result.
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What ristretto actually changes, and why this drink asks for it
A ristretto is the same dose of coffee as an espresso, ground a touch finer, stopped at roughly half the liquid. Same grams in, less water out.
The consequence is not simply "stronger". Extraction happens in an order: acids and fruit come out first, then sugars and body, then the harsher compounds last. Cutting the shot short keeps the first two and leaves most of the third in the puck. You get a shot that is sweeter, thicker and less bitter, but far more concentrated.
In a flat white that matters more than in any other drink, because there is enough milk to drown a normal shot but not enough to hide a bad one. A ristretto has the density to stay present. Two of them, about 50 ml in total, against 130 ml of milk, is the whole recipe.
If your machine cannot pull a proper ristretto, pull a normal double and accept a slightly thinner drink. It is a better outcome than under-dosing.
Milk texture: the difference between wet paint and bubble bath
Steaming milk does two separate things at once, and most people at home do only one of them.
Stretching is introducing air. The steam tip sits just under the surface and you hear a light, regular tearing sound. This is where foam comes from, and for a flat white you want very little of it - three or four seconds, no more, while the milk is still cold.
Texturing is spinning. Drop the tip deeper and angle the jug so the whole body of milk turns in a whirlpool. This breaks the big bubbles you just made into microfoam and folds them through the liquid instead of leaving them sitting on top. This is the part people skip, and it is the part that makes the difference.
Stop at 60-65 °C. Milk sugars taste sweetest just below 65 and scald above 70, and scalded milk in a drink this milk-forward is not recoverable. If you have no thermometer, the jug becomes uncomfortable to hold for more than two seconds at about the right point.
Swirl the jug on the counter before pouring. Properly textured milk looks like glossy emulsion paint and leaves no bubbles on the surface when you swirl it.
No machine? The two workarounds, and what each one costs you
A moka pot and a French press. The moka pot gives you a concentrated, dark, slightly bitter coffee that is not espresso but is the closest cheap analogue, and it suits a dark roast particularly well. For the milk: heat it to 60 °C, put it in a French press, and pump the plunger fifteen to twenty times. The mesh does a genuinely respectable job of breaking bubbles down. This gets you perhaps 80 per cent of the way there.
An AeroPress and a jar. Pull a short, strong AeroPress with a fine grind and about 50 ml of water. Heat the milk, put it in a jam jar no more than a third full, screw the lid on tight and shake hard for thirty seconds, then microwave uncovered for twenty seconds to settle the largest bubbles. Rougher than the press method but it works.
Neither will give you a crema ring, and latte art is out of reach. The drink underneath will still be good.
Which beans get you closest to the Costa profile
Look for a bag that says Italian roast, continental roast, or simply dark roast, and check the beans themselves: they should be dark brown with a faint sheen of oil, not black and not tan. Black and shiny is over-roasted and tastes of ash. Tan is a light roast and will taste sharp and fruity in milk.
A blend with a proportion of robusta is closer to the original than a pure arabica. Robusta is coarser in flavour and carries roughly twice the caffeine, but it produces a heavier crema and a more persistent bitterness, which is exactly the Costa signature. Many Italian supermarket blends use it for this reason.
Grind immediately before pulling. Ground coffee loses most of its aromatic compounds within about fifteen minutes of grinding, and in a milk drink that loss is the difference between a coffee flavour and a coffee note.
Why whole milk, and what the alternatives actually do
Fat carries flavour and it stabilises foam. Whole milk at around 3.5 per cent gives microfoam that holds its texture for the two or three minutes it takes to drink the thing. Semi-skimmed foams more enthusiastically and collapses faster; skimmed produces a stiff, dry foam that sits on top like a hat and is wrong for this drink specifically.
Oat milk is the best non-dairy option here by a distance, and the barista versions are formulated with added fat and stabiliser precisely to texture like whole milk. They work. Soy foams well but curdles against a very acidic shot - less of a risk with a dark roast. Almond foams poorly and tastes thin against this much coffee.
How to make it, step by step
Pull the shots
-
Grind 18 g fine and distribute it evenly
Grind straight into the basket, then tap the side to settle it and level the surface with a finger before tamping. An uneven bed is the single most common cause of a sour, thin shot: water finds the loose channel and runs through it rather than through the coffee.
TipLevel first, tamp second. Tamping does not fix a lopsided bed.About 1 min -
Tamp firmly and level, then lock in immediately
Press down with roughly 15 kg of force - lean on it with the weight of your arm rather than your shoulder - and check the surface is flat by eye. Lock the portafilter into the group and start the shot straight away; coffee sitting in a hot group head begins to bake.
About 1 min -
Stop at about 50 ml in 25 seconds
You are looking for two ristretto shots, roughly 50 ml total, in 22 to 28 seconds from the pump starting. If it runs faster than that, grind finer. If it gags and drips, grind coarser. Adjust one variable at a time and only the grind - dose and tamp stay fixed.
TipA shot that gushes pale and fast is under-extracted and will taste sour.About 1 min
Steam the milk
-
Purge the wand, then stretch for three seconds only
Open the steam valve briefly into a cloth to clear condensed water, or you will dilute the milk. Put the tip just below the surface and open the steam fully. You want three or four seconds of a light tearing sound, no more - this is a flat white, not a cappuccino.
TipAll the air goes in while the milk is still cold. Once it is warm, adding air just makes bubbles.About 1 min -
Sink the tip and spin the milk until it is glossy
Drop the wand deeper and tilt the jug so the milk turns in a visible whirlpool. Hold it there. This is what folds the air you just added down into the body of the milk and turns coarse bubbles into microfoam. Keep going to about 60-65 °C, then cut the steam.
About 1 min -
Knock and swirl until the surface is a mirror
Tap the jug once on the counter to pop any surface bubbles, then swirl it steadily for ten seconds. The milk should look like glossy paint and move as one body. If you can see individual bubbles, swirl for longer.
TipWipe the wand immediately. Dried milk on a steam tip is very difficult to remove later.About 1 min
Build it
-
Pour from height, then drop in close to finish
Start pouring from about 10 cm above the cup into the centre of the crema - this puts the milk under the crema rather than through it. When the cup is about two thirds full, bring the spout right down to the surface and let the microfoam come through. Finish by lifting and cutting through the middle.
TipServe it now. A flat white is at its best for about ninety seconds.About 1 min
The ratio table, and where the other milk drinks sit against it
Every drink in this family is the same two ingredients in different proportions and different milk textures. Once you can see it laid out, the menu board stops being a mystery.
The thing worth noticing is that a flat white and a cappuccino contain almost the same amount of milk. What separates them is entirely what was done to it: a cappuccino is stretched for ten or twelve seconds and ends up a third foam, a flat white for three and ends up glossy throughout.
Getting the bitterness right rather than just high
Dark roast and bitter are not the same thing, and the difference is worth understanding because it is where home attempts usually go wrong.
Good bitterness comes from the roast: cocoa, dark chocolate, toasted nuts, a dry finish. It is pleasant and it is what you are aiming for.
Bad bitterness comes from over-extraction: ashy, hollow, drying at the back of the throat, and it lingers unpleasantly. It comes from grinding too fine, running the shot too long, or water that is too hot.
If your drink tastes harsh, do not reach for a lighter bean. Shorten the shot first. Nine times in ten that is the whole problem.
Espresso milk drinks by ratio and milk texture
| Drink | Coffee | Milk | Foam | Milk texture |
|---|---|---|---|---|
| Espresso | Double, 50 ml | None | None | - |
| Macchiato | Double, 50 ml | 15 ml | Thin | Stretched briefly |
| Cortado | Double, 50 ml | 60 ml | Minimal | Glossy |
| Flat white | Double ristretto, 50 ml | 130 ml | 2-3 mm | Wet paint |
| Cappuccino | Double, 50 ml | 120 ml | 20 mm | Stretched hard |
| Latte | Double, 50 ml | 220 ml | 5 mm | Lightly textured |
Milk temperature and what it does to the taste
| Temperature | Result |
|---|---|
| Below 55 °C | Tastes flat and watery; the drink cools too fast |
| 60-65 °C | Sweetest point. Lactose reads as sugar. Aim here |
| 65-70 °C | Still fine, noticeably less sweet |
| Above 70 °C | Scalded. A cooked, papery note that does not go away |
Ways to change it once you have made it once
Iced flat white
Pull the shots over 60 ml of cold milk in a glass, then add ice. Do not steam anything - cold milk poured over ice keeps the drink from diluting.
Cortado
Same shots, 60 ml of milk instead of 130. Sharper, far more coffee-forward, and the best test of whether your shots are actually good.
Decaf that still tastes of something
Decaf loses body, so use a dark roast decaf and pull it as a full double rather than a ristretto to compensate.
Oat flat white
Use a barista oat milk and stretch for two seconds rather than four. Oat foams faster than dairy and overshoots easily.
What went wrong, and how to fix it
Each entry names a likely cause as well as a correction, so the advice remains useful when equipment, ingredients or batch size differ.
A thick cap of foam I can stand a spoon in
- Why it happened
- Stretched for too long, like a cappuccino.
- What to do
- Three or four seconds of air, no more, and all of it while the milk is still cold. Then spin for twice as long as you think.
The coffee tastes sour and thin
- Why it happened
- Under-extracted: the shot ran too fast.
- What to do
- Grind finer until the double takes 22 to 28 seconds. Change nothing else while you are dialling this in.
Harsh, ashy bitterness that dries the throat
- Why it happened
- Over-extracted, or a shot pulled far too long.
- What to do
- Stop the shot at 50 ml. If it is still harsh, grind slightly coarser.
Big bubbles all over the surface
- Why it happened
- Air added after the milk was already warm, or no whirlpool.
- What to do
- Get the air in during the first four seconds, then sink the tip and spin the milk properly.
The milk and coffee separate into layers
- Why it happened
- The milk was poured too gently, or it was under-textured.
- What to do
- Pour with more confidence from a greater height to start. Thin milk sits on top instead of combining.
Tastes fine but weak and watery
- Why it happened
- Too much milk for the shot.
- What to do
- Measure the milk once. 130 ml looks like much less than people expect.
Questions people actually ask about this recipe
What is the difference between a flat white and a latte?
Milk volume and texture. A flat white is about 130 ml of glossy, barely-foamed milk against a double ristretto; a latte is closer to 220 ml of lighter milk. The flat white tastes considerably stronger as a result.
Do I really need a ristretto rather than a normal espresso?
It is better, not essential. A ristretto is sweeter and denser, which helps it stand up to the milk. A standard double works and will taste slightly thinner.
Why does my home version taste weaker than the shop's?
Almost always milk volume. 130 ml is much less milk than it feels like it should be. Measure it once and the difference is usually obvious straight away.
Can I use pre-ground supermarket coffee?
You can, and it will be noticeably flatter. Ground coffee loses its aromatics within about fifteen minutes. If you make coffee more than twice a week, a grinder changes more than a better machine would.
What temperature should the milk be?
60 to 65 °C. Below that the drink tastes watery and cools too quickly; above 70 the milk scalds and picks up a cooked note you cannot remove.
Is Costa's blend really different from other chains?
Yes, in roast level. It is taken considerably darker than the third-wave norm, which trades fruit acidity for cocoa and body. That is why it holds up in a milk drink.
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