"Perfectly Chocolate" Chocolate Frosting off the back of the Hershey's cocoa container!!! So yummy!!! 1/2 cup butter, 2/3cup Hershey's cocoa, 3cups powdered sugar, 1/3cup mil, &1tsp vanilla. Melt butter. Stir in cocoa. Alternately add powdered sugar & milk. Stir in vanilla. So easy!!!