Chocolate Sheet Cake
["2 c. flour", "2 c. sugar", "2 eggs", "1/2 c. buttermilk", "2 tsp. vanilla", "1 tsp. baking soda", "1 stick margarine", "3 Tbsp. cocoa", "1/2 c. vegetable oil", "1 c. water"]
["Mix flour and sugar in one bowl.", "In a second bowl, blend eggs, buttermilk, vanilla and baking soda.", "In a saucepan, mix margarine, cocoa, oil and water and bring to a boil.", "Blend all 3 mixtures together.", "Pour in ungreased baking dish (1/2 inch deep). and bake at 400\u00b0 for 20 minutes."]
["flour", "sugar", "eggs", "buttermilk", "vanilla", "baking soda", "margarine", "cocoa", "vegetable oil", "water"]