Texas Sheet Cake

1 stick butter or margarine

½ cup shortening

3 ½ T cocoa

1 cup water

Bring to boil and remove from heat

Mix together

2 cups flour

2 cups sugar

½ tsp salt

1 tsp baking soda

Combine both mixtures and beat well. Add ½ cup buttermilk (1/2 milk with 1 tsp vinegar), 1 tsp vanilla, and 2 eggs. Mix well and pour into greased jelly roll sheet. Bake 375° for 20 minutes.

Frosting

1 stick butter or margarine

4 T cocoa

4 T milk

Bring to boil. Add 3 cups powdered sugar and 1 tsp vanilla. Frost cake as soon as it comes out of the oven.