Flat White A flat white is a coffee drink consisting of espresso mixed with microfoam. Microfoam is steamed milk with small, fine bubbles and a glossy or velvety consistency. For our coffee at Lake Safari Lodge, we use a 1:3 ratio, so ristretto (30mls) or espresso (40mls) to 120 mls of milk. To make a flat white on Espresso machine: Make an Espresso - to see, click link Add 120mls of milk Add 120mls of milk to Jug Steam milk to 65°C - no hotter! Pour milk into ristretto or espresso Here is an example of a Flat White