1. Break chocolate into small pieces. Put them in a bowl. Add one cup of milk, coffee powder and sugar. 2. Keep the bowl in Microwave oven on HIGH (100%) for one minute. Take the bowl out and mix well. Put the mixture in a blender and blend. Add remaining milk and some ice cubes and blend again. 3. Pour the mixture into glasses. Put some whipped cream on top. Garnish with chocolate vermicelli and serve immediately.