4 eggs
2 c. sugar
1 c. milk
1 tsp. vanilla
2 c. flour
2 tsp. baking powder
1/4 tsp. salt
1 1/2 c. peanut butter

Or use self-rising flour.

ICING:

1 stick butter
4 tbsp. cocoa
6 tbsp. milk
1 box confectioners' sugar

Mix ingredients well. Pour into greased 11x17 inch jelly roll pan. Bake at 350 degrees for 15-20 minutes. As soon as cake comes out of oven, spread peanut butter on cake. Let cool completely before icing.

ICING: Bring all ingredients to boil. As soon as it boils, remove from heat and add confectioners' sugar. Beat well. Let cake cool completely before icing.