Stretch, then roll

Start cold and clean

Milk straight from the fridge and a cold jug: the colder they start, the more time you get. Fill to about the bottom of the spout, roughly a third to half full — a 350 ml jug suits one drink. Purge the wand into a cloth first.

Everything that follows has to happen before the milk is hot.

Two jugs, same milk: one fridge-cold, one lukewarm. Which gives you longer to work?

Answer: The fridge-cold one. The cold one. Steaming ends at the same temperature either way, so a colder start leaves more of the run for air and the whirlpool.

Stretch: a little air, early

Stretching is adding air. Put the tip just under the surface, open the steam, and lower the jug a touch until you hear a quiet, steady tearing, like a letter torn up discreetly.

Keep it short

A second or two for a flat white or latte, a few more for a cappuccino, longer on a small home machine. Finish before the jug feels warm — around body temperature.

Roll: fold the bubbles in

Now raise the jug so the tip sits a little deeper and off to one side, until the milk spins in a whirlpool. That spin is texturing: it drags big bubbles under and breaks them into microfoam.

Air added late never gets folded in; it lounges on top as stiff, bubbly foam.

Why does the milk need to spin in a whirlpool?

Answer: It drags the big bubbles under and breaks them up. The spin drags the big bubbles under and breaks them into microfoam, and it heats the milk evenly while it does it.

Everything at once now: the air, the whirlpool and the clock.

Steam milk for a flat white: air early, then roll.

Stop by hand

Stop when the jug is hot enough that you can only keep a palm on it for a second — around 60°C. A thermometer helps, but most are slow on the uptake, so stop a few degrees early. Then wipe and purge the wand at once, knock, swirl and pour.

Put the finish in order.

1. Cut the steam
2. Wipe the wand and purge
3. Knock the jug on the counter
4. Swirl until it shines
5. Pour straight away

Wipe and purge at once, then knock, swirl until the milk shines like wet paint, and pour straight away.

Pouring, and the wandless way

For latte art, start high so the milk dives under the crema, then bring the jug down close so the foam draws. No wand? Warm milk to about 60°C, pour it into a French press with room to double, and pump the plunger.