6 tbsp. butter
Hershey's cocoa - 1/3 c. for light flavor, 1/2 c. for med. flavor, 3/4 c. for dark flavor
2 2/3 c. confectioners' sugar
1/3 c. milk
1 tsp. vanilla

Cream butter in small mixer bowl. Add cocoa and confectioners' sugar alternately with milk; beat to spreading consistency. (Additional tablespoon milk may be needed.) Blend in vanilla. Makes about 2 cups frosting.