Cake:

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

Put first four ingredients in saucepan and bring to boil. Add mixture to the rest of the ingredients and mix well. Pour into well-greased and floured jelly roll pan.

Bake at 400°F for 20 minutes. Frost with peanut butter frosting given below.

Peanut Butter Frosting:

1/2 c. butter
1/2 c. peanut butter
1/3 c. milk
1 tsp. vanilla
1 lb. powdered sugar

Bring butter, peanut butter and milk to a boil. Remove from heat. Add vanilla and powdered sugar. Stir until well blended. Frost cake.