1 stick butter
1 c. water
1/2 c. peanut butter, chunky or smooth
1/2 c. cooking oil
2 c. flour
2 c. sugar
2 eggs, beaten
1 tsp. vanilla
1/2 c. milk
1 tsp. baking soda

FROSTING:

1 stick butter
1/2 c. milk
1/2 c. peanut butter
1 tsp. vanilla
1 lb. powdered sugar

Combine first 4 ingredients and bring to a boil. Take off heat and add to next 6 ingredients. Mix well. Pour into greased and floured sheet pan. Bake at 350 degrees for 20 minutes.

Frosting: Cook first 3 ingredients over medium heat until boiling. Remove and add vanilla and powdered sugar. If too thin, add more powdered sugar.