Texas Sheet Cake

Cake:

1 cup butter

1 cup water

4 tablespoons cocoa

2 cups sugar

2 cups flour

1/2 teaspoon salt

2 eggs

1 cup sour cream

1 teaspoon baking soda

Frosting:

1/2 cup butter

4 tablespoons cocoa

6 tablespoons milk

1 pound powdered sugar

1 teaspoon vanilla

In sauce pan, melt butter and then whisk in water and cocoa. Once well incorporated pour into mixing bowl. Add sugar, flour and salt. Mix well. Then beat in eggs, sour cream and baking soda. Bake at 350 for 30 minutes. 

For the frosting, in a sauce pan melt butter. Add  cocoa and milk, bring to a boil. Then remove from heat and add vanilla and powdered sugar. Frost over warm cake.