Warm milk, cup ready, foam full of giant bubbles? We’d check the method before putting a new machine on the shopping list. Milk choice, the air you introduce and the timing of the pour all matter. Work through them in order and you can identify what actually needs changing.

Choose the milk and check the equipment

Use fresh fridge-cold milk and a clean jug or frother container, keeping within the fill marks. Low-fat milk can foam too: milk protein matters, not just fat. For plant drinks, pick one intended for frothing.

Find out whether your device heats as well as froths. A handheld whisk often needs milk warmed separately in a saucepan. Keep the same milk and quantity for your next attempts so comparisons mean something.

1. Get the starting temperature right

Start cold with a steam wand or heated frother. With a handheld whisk that cannot heat, warm the milk first without boiling. Have the coffee and cup ready so finished foam won’t stand around. If your machine offers temperature settings, begin with its recommended setting rather than the hottest.

2. Introduce air, then keep the milk moving

An electric frother needs its correct foam programme. With a manual steam wand, add air near the surface at the start, then lower the tip and keep the milk circulating instead of making big new bubbles throughout. Special nozzles may need another technique; follow your model.

Finish as directed when the milk is warm and finely textured. Swirl gently and pour promptly. Swirling blends the texture, but won’t completely rescue foam that has already become dry and stiff.

3. Fix one thing at a time

Little foam? Check the mode, fill level and whether the whisk or attachment is fitted correctly. Deteriorating results over several days call for cleaning the milk system. Large bubbles with a manual wand mean checking air intake and position. Change one factor at a time, so the next cup gives you an answer rather than another guess.