First I make chocolate frosting so it can cool before I add to the top layer...in a saucepan add 1 cup of white sugar, 1/3 cup of unsweetened cocoa powder, and 1/4 cup of milk to a boil on medium high heat once get to a boil remove from heat add two tablespoons of butter and 1 tablespoon of pure vanilla extract and mix together throughly and set aside to cool