How to Steam Milk for Lattes, Cappuccinos & Flat Whites: Beginner Guide
To steam milk for espresso drinks: purge the steam wand, position the tip just below the milk surface, open full steam and introduce air for 2–5 seconds (the “stretching” phase), then submerge the tip to create a spinning vortex until the pitcher reaches 140–155°F (60–68°C). The entire process takes about 30–45 seconds. Quick Reference: Milk Steaming by Drink Drink Stretch (air) Foam target Final temp Total time Texture Flat white 1–2 sec Almost none — silky liquid 140–150°F (60–65°C) 25–30 sec Glossy, paint-like, fully integrated Latte 2–3 sec Thin layer (~0.5cm) of microfoam 140–155°F (60–68°C) 30–35 sec Smooth, pourable, tiny even bubbles Cappuccino 5–8 sec Thick layer (~1.5cm), spoonable 140–155°F (60–68°C) 35–45 sec Two-layer: liquid milk + dry foam cap Macchiato 3–5 sec Dollop of foam 140–150°F (60–65°C) 30–35 sec A spoon of microfoam over espresso Cortado 1–2 sec Almost none 130–140°F (55–60°C) 20–25 sec Lower temp, lightly textured, equal-parts Universal rules across all drinks: purge first (1–2 sec), full steam power, tip just below the surface for stretching, tip 1–2cm submerged for texturing, never exceed 165°F (74°C) — above that the milk loses its sweetness and tastes scalded. ...