First, take a small bowl, mix 1tsp coffee powder with 1tbsp warm water and make a instant coffee decoction

Take a blender add full cream milk with prepared (from step 1) instant coffee decoction

Also add cocoa powder, powdered sugar and ice cubes in it

Blend everything to a formy milkshake

Further take a 1tsp of chocolate syrup and decorate the sides of glass

Pour the prepared milkshakes to that glass and finally do a ice cream topping just before you serve it