3 tbsp. butter
2 tbsp. cocoa
1 1/2 c. confectioners sugar
2 tbsp. milk
1 tsp. vanilla

Melt 3 tablespoons butter in a medium saucepan. Stir in 2 tablespoons cocoa until dissolved. Add confectioners sugar, milk and vanilla. Stir until smooth,. Add more milk if necessary to soften consistency. Frosts one 13x9 pan cake or brownies. Let set until firm.