Take a ¼ cup of lukewarm water in a small bowl.
Add 2tbsp coffee powder into it. Mix it well.
Now in a blending jar put 250ml chilled milk, prepared coffee liquid, 1tsp cocoa powder, ¼ cup sugar, 6-7 ice cubes. Blend it.
Full cream milk will give a better result for foamy and frothy cold coffee.
Decorate the glass with chocolate syrup.
Pour it into a glass and settle the foam on top of the glass.
Serve the cold coffee by sprinkle chocolate syrup.