Peanut Butter Sheet Cake
["2 c. flour", "1 tsp. soda", "2 c. sugar", "1/2 tsp. salt", "1/2 c. oil", "1 1/2 sticks margarine", "1/2 c. peanut butter", "1 c. water", "2 eggs, beaten", "1 tsp. vanilla", "1/2 c. buttermilk"]
["Mix together", "first", "four ingredients in 2-quart mixing bowl. Set aside.\tIn a saucepan, bring oil, margarine, peanut butter and water", "to", "a", "boil.", "Pour", "over dry ingredients and mix.", "Add beaten", "eggs,", "vanilla and buttermilk;", "blend well. Pour batter into a greased and\tfloured 11 x 15 x 1-inch sheet pan.", "Bake 15 to 18 minutes in 350\u00b0 oven."]
["flour", "soda", "sugar", "salt", "oil", "margarine", "peanut butter", "water", "eggs", "vanilla", "buttermilk"]