2 c. flour
2 c. sugar
1/2 c. shortening
1 stick butter
1 c. water
1/4 c. mayonnaise
4 tbsp. cocoa
1/2 c. buttermilk or (1/2 c. sweet milk & 1 tsp. vinegar)
2 eggs, beaten
1 tsp. baking soda
1 tsp. vanilla

Sift together sugar and flour. In a saucepan, bring to a boil the shortening, butter, water and cocoa. Pour over flour mixture while hot. Add the buttermilk, beaten eggs, soda, vanilla and mayonnaise. Bake in a large cookie sheet with sides 12 x 18 inch or sheet cake pan. Bake at 400 degrees 20 minutes. Make frosting while cake is baking.

FROSTING:

1 stick butter
4 tbsp. cocoa
1/2 c. milk
1 box powdered sugar, sifted
1 tsp. vanilla
1 c. nuts, chopped

Bring to a boil, butter, cocoa, and milk. Add the sifted powdered sugar, vanilla and nuts. Spread over cake while both are hot.