1/2 c. butter
1/2 c. Hershey's cocoa
1 box powdered sugar, sifted
1/3 c. water
1 tsp. vanilla
dash of salt

Melt cocoa and butter. Add to sifted sugar. Then add water. Beat well (large mixer works best). Add vanilla and salt. Work quickly to frost cake. If it gets too thick, add small spoonfuls of water gradually. Frosts a large cake.