Sift in a large bowl:

2 c. plain flour
2 c. sugar
1 tsp. baking soda
1/2 tsp. salt
1/4 c. cocoa

Stir over medium heat until boiled:

2 sticks butter
1 c. water
1/2 c. buttermilk
2 eggs, beaten

(Always add little hot mixture to eggs and beat before adding to rest of hot mixture).

Add the hot mixture to dry ingredients, beating well. Add 1 teaspoon vanilla. Grease and flour 9 x 12 inch pan and bake at 350 degrees for 25 minutes. Cool completely and spread cake with:

1 1/2 c. peanut butter (I use 1/2 c. crunchy)
1 tsp. peanut or Crisco oil (blend peanut butter and oil together).

FUDGE FROSTING:

Heat:

1 stick butter
1/4 c. cocoa, sifted
6 tbsp. buttermilk

Add:

1 box powdered sugar, sifted
1 tsp. vanilla

Cool a bit and spread over peanut butter.