Peanut Butter Sheet Cake

ingredients:

1 stick margarine 

1/2 c. peanut butter 

1 c. water 

1/2 c. cooking oil 

2 c. flour 

2 eggs (slightly beaten) 1/2 c. mil

k 2 c. sugar 

1 tsp. vanilla 

1 tsp. baking soda

methods:
Put first four ingredients in sauce pan and bring to boil.  Then add to rest of ingredients and mix well.  Pour into a well-greased and floured 13x9x2-in. pan.  Bake at 400 degrees for 20 minutes.
 
Frosting: 

1/2 c. butter 

1/2 c. peanut butter 

1/3 c. milk 

1 tsp. vanilla 

2 c. powdered sugar

Bring first 3 ingredients to a boil.  Remove from heat.  Add remaining ingredients.  Stir until well blended then frost cake.