What is the correct ratio for a flat white?

About 1:2, espresso to milk. A flat white pairs a double shot (roughly 2 oz / 60 ml) with about 4 oz (120 ml) of steamed milk, landing the finished drink around 5.85 oz (160 ml) total. That's roughly half the milk a latte gets against the same double shot, which is why a flat white tastes noticeably more espresso-forward.

How is a flat white different from a latte or cappuccino at home?

Mainly milk volume and foam thickness, not technique. A flat white uses about 4 oz of steamed milk with a thin, integrated ~5 mm microfoam layer and no distinct foam cap — a latte adds 6 oz or more with its own thin separate foam skin, and a cappuccino builds a much thicker foam cap at least 1 cm deep per SCA spec. All three start from the same double shot and the same stretch-then-spin steaming motion; only how much milk you pour and how long you aerate change the result.

Why does my flat white taste thin or watery?

Usually too much milk relative to the shot, or milk steamed too hot. If you're pouring past 4-5 oz of milk into a double shot, you've drifted toward latte ratios instead of a flat white's 1:2. Milk pushed past roughly 160-170°F also loses sweetness as its proteins break down, which reads as thin or flat even when the ratio is right — stop steaming around 140-155°F.

Do I need a steam wand to make a flat white?

A steam wand gives the most control over the thin, integrated microfoam a flat white needs, but a standalone milk frother works too. Automatic jug frothers heat and texture milk to a preset temperature at the push of a button, and handheld frothers can get close by hand, though neither matches a wand's fine control over exactly how thin that foam layer ends up. See our best milk frother guide for picks either way.

How to Make a Flat White (2026): Ratio, Shot & Milk Technique

Q: Do I need ristretto shots to make a real flat white?

Not strictly, but it's the original recipe. Australian and New Zealand cafes traditionally pull a flat white on ristretto shots — the same 18-20g dose as a standard espresso but stopped at roughly half the water, close to a 1:1 ratio instead of 1:2. A ristretto finishes sweeter and less bitter, which suits a drink with little milk to soften it. A standard double shot still makes a legitimate flat white; it just tastes a bit sharper.

Quick Answer: Pull a double shot of espresso (about 2 oz / 60 ml), ideally as a ristretto — the traditional Australian/New Zealand recipe stops the shot at roughly half the water of a standard pull. Steam about 4 oz (120 ml) of milk into thin, integrated microfoam and pour it in one continuous motion, landing close to a 1:2 espresso-to-milk ratio in a small 5.85 oz (160 ml) cup. The result should have a thin ~5 mm foam layer worked into the milk throughout, not a separate cap the way a cappuccino or latte gets. For the full side-by-side against a latte, see flat white vs latte.

A flat white is really just two decisions applied carefully: how much milk you add to the shot, and how you steam that milk so it integrates instead of sitting on top as foam. Get the ratio and the pour right and you don’t need much else. If you’re deciding whether to order or make one at all versus a latte, flat white vs latte covers the ratio, texture and even the caffeine numbers this guide builds on.

What you need

Item	Spec	Why it matters
Espresso shot	Double, ~2oz/60ml — ristretto-style if possible	Less water in the shot means less bitterness, which matters more here than in a latte since so little milk dilutes it
Milk	~4oz/120ml, whole milk steams most reliably	Whole milk's fat content builds smoother, more stable microfoam than skim or oat, which can foam coarser
Small pitcher	12-20oz, tapered spout	A pitcher sized close to your pour volume gives more control than a large one with lots of empty headroom
Cup	~5.85oz/160ml	A flat white is meant to be small — pouring it into a 12oz latte cup just turns it into a weak latte

Step 1: Pull a double shot — ristretto if you can

Pull a double shot of espresso, about 2 oz (60 ml) total. The traditional flat white recipe uses a ristretto pull: the same 18 to 20 g dose as a standard espresso, but stopped at roughly half the water — close to a 1:1 ratio instead of the standard 1:2 — finishing in about 15 to 20 seconds rather than 25 to 30. A ristretto comes out sweeter and less bitter than a full shot, which matters more in a flat white than in a milkier drink, since there’s so little milk here to soften a harsh pull. A standard double shot still makes a legitimate flat white if your machine or grinder isn’t dialed in for ristretto yet — see ristretto vs espresso for the full ratio breakdown, or how to dial in espresso if the shot itself needs work first.

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Step 2: Steam a small volume of milk into thin, integrated microfoam

Steam about 4 oz (120 ml) of milk using the same two-phase technique as any other milk drink: a few seconds of surface aeration to stretch in air, then submerge the wand tip deeper to spin the milk into a smooth vortex with no more air added. Stop around 140-155°F (60-68°C) — milk pushed much past 160-170°F starts to scald, and the proteins break down in a way that loses sweetness and foam stability. The target for a flat white is a thinner foam layer than a cappuccino gets — roughly 5 mm — worked into the milk throughout rather than sitting as a separate cap. For the full stretch-then-spin mechanics, see how to steam milk for a latte; the technique is identical, only the volume changes.

Step 3: Pour in one continuous motion

Pour the steamed milk into the shot in a single, steady motion rather than layering it in stages. Because a flat white’s microfoam is thin and already integrated into the milk, there’s no separate foam cap to hold back the way there is with a cappuccino — the whole point is that foam and milk arrive together. This is also why flat white latte art tends to come out flatter and less defined than a latte’s: less distinct foam means less contrast for the pattern, which is part of where the drink’s name comes from.

Flat white, by the numbers

1:2 ratio — roughly a 2oz double shot to 4oz of steamed milk, versus a latte’s thinner 1:3 to 1:5.
~5mm microfoam — a thin, integrated layer with no separate foam cap, versus a cappuccino’s 1cm-plus SCA-spec cap.
5.85oz (160ml) total cup size — about a third smaller than a standard 8-12oz latte.
140-155°F (60-68°C) — the milk-steaming stop point; past ~160-170°F the milk scalds and loses sweetness.
1:1 ristretto ratio — the traditional shot recipe, versus a standard espresso’s 1:2, for a sweeter base with less milk to soften it.

The bottom line

A flat white comes down to two things done carefully: a double shot — ristretto if you can manage it — cut with about 4 oz of milk steamed into thin, integrated microfoam rather than a separate foam cap, poured in one continuous motion into a small cup. Get the ratio close to 1:2 and stop steaming before 160°F and you’re most of the way there. For the machine the shot starts from, see our best espresso machine guide or best latte machine for models with steam wands strong enough for real microfoam, and flat white vs latte for how the finished drink compares to its closest relative.