Ingredients

2 butter sticks
1 Cup water
4 Tablespoon cocoa
2 Cup sugar
2 Cup flour
1/2 Teaspoon salt
2 eggs, beaten
1 Teaspoon vanilla
1 Teaspoon baking soda
1/2 Cup sour cream
1 butter stick
6 Tablespoon milk
1 Pound powdered sugar
1 Cup chopped walnuts, optional

Instructions

Bring 2 sticks butter, water and 4 tablespoons cocoa to a boil. Add sugar, flour and salt. To this mixture add eggs, 1 teaspoon vanilla, baking soda and sour cream. Pour into greased sheet cake pan. Bake at 400 degrees for 20 minutes. While cake is baking, heat 1 stick of butter, 4 tablespoons cocoa and 6 tablespoons milk until butter is melted. Remove from heat. Add 1 teaspoon vanilla and powdered sugar. Stir until thick and smooth. Pour over warm cake. May sprinkle nuts on top, if desired.