Chocolate Sheet Cake
["2 c. sugar", "2 c. all-purpose flour", "1/3 c. cocoa", "1 tsp. baking soda", "1/2 tsp. salt", "1 c. (2 sticks) margarine", "1 c. water", "1/2 c. buttermilk", "2 eggs", "1 tsp. pure vanilla"]
["Combine sugar, flour, cocoa, baking soda and salt in a large mixing bowl; mix well.", "Heat margarine and water in saucepan until boiling.", "Pour over dry ingredients; mix well.", "Beat in buttermilk, eggs and vanilla."]
["sugar", "flour", "cocoa", "baking soda", "salt", "margarine", "water", "buttermilk", "eggs", "vanilla"]