6 tbsp. butter, softened
Hershey's cocoa - 1/3 c. for light flavor, 1/2 c. for medium flavor, 3/4 c. for dark flavor
2 2/3 c. unsifted 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.