01 -
Whisk instant coffee, granulated sugar, and hot water vigorously until mixture becomes light and fluffy.
02 -
Warm the milk gently until it is hot but not boiling.
03 -
Pour the warm milk into a mug.
04 -
Spoon the whipped coffee mixture over the milk to form a frothy layer on top.
05 -
Sprinkle cocoa powder on the froth if desired before serving immediately.