Peanut Butter Sheet Cake
["1 stick margarine, cut up", "1 c. water", "1/2 c. peanut butter", "1/3 c. cooking oil", "2 c. sugar", "2 c. flour", "1/2 c. milk", "2 eggs, slightly beaten", "1 tsp. vanilla", "1 tsp. soda"]
["In large pan, add margarine, water, peanut butter and cooking oil.", "Bring to boil and turn off heat.", "Add sugar, flour, milk, eggs, vanilla and soda.", "Stir until well blended.", "Pour into greased and floured jelly roll pan (cookie sheet).", "Bake at 400\u00b0 for 20 minutes."]
["margarine", "water", "peanut butter", "cooking oil", "sugar", "flour", "milk", "eggs", "vanilla", "soda"]