1/4 cup cocoa
1/2 cup salad oil
2 cups self-rising flour
1 teaspoon soda
1/2 cup buttermilk
1 stick margarine
1 cup water
2 cups sugar
2 eggs, slighty beaten

Mix cocoa, margarine, salad oil and water and bring to a boil. Sift and mix flour, soda, and sugar. Pour over liquid mixture. Add eggs and buttermilk. Bake at 400º for 22 minutes or until done in a 9x13-inch pan.

Icing

3 tablespoons cocoa
1/2 stick margarine
4 to 5 tablespoons milk
1 box powered sugar
1/2 cup black walnuts

Bring first three ingredients to a boil. Add powered sugar until it is of spreading consistency. Sprinkle cake with nuts then spread on frosting.