1/2 stick butter
1 c. flour
1 tbsp. cocoa
3/4 c. sugar
1/2 c. milk
1 tsp. vanilla

TOPPING:

1 c. sugar
1/4 c. cocoa
3/4 c. water
1 tsp. vanilla

Melt butter in 8 or 9 inch square baking dish. Mix flour, cocoa, sugar, milk and vanilla. Pour on top of melted butter. Combine topping ingredients and pour on top of cake. Bake at 350 degrees for 30 minutes.