Chocolate Sheet Cake
["2 sticks margarine, melted", "4 Tbsp. cocoa", "1 c. water", "2 c. plain flour", "2 c. sugar", "1 tsp. soda", "1/2 tsp. salt", "1/2 c. buttermilk", "1 tsp. vanilla", "2 eggs, lightly beaten"]
["Melt together first 3 ingredients; bring to boil and pour over the dry ingredients (flour, sugar, soda and salt). Add buttermilk, vanilla and eggs.", "Bake in sheet pan at 350\u00b0."]
["margarine", "cocoa", "water", "flour", "sugar", "soda", "salt", "buttermilk", "vanilla", "eggs"]