Mix the instant coffee with the hot water. Stir it well, and leave to chill
STEP 2
Froth the milk with a handheld frother for 3 minutes. If you’re using sugar, add it before frothing. You’re aiming for a foam layer of 2 fingers thick - 35mm, to be precise
STEP 3
Pour the foamed milk into the glass over the ice cubes
STEP 4
Slowly pour the chilled coffee brew into the milk foam. Aim for the centre to create those iconic macchiato layers