Texas Sheet Cake
["2 sticks margarine", "1 c. water", "6 Tbsp. cocoa", "2 c. flour", "2 c. sugar", "1 tsp. baking soda", "1/2 tsp. salt", "2 eggs", "1/2 c. sour cream"]
["Bring margarine, water and cocoa to boil.", "Remove from heat when it boils.", "Add (pre-measured) flour, sugar, baking soda and salt.", "Beat in eggs and sour cream.", "Bake in a 17 x 13 x 1-inch pan (cookie sheet/jelly roll pan), greased and floured, for 22 minutes at 350\u00b0.", "Do not overbake."]
["margarine", "water", "cocoa", "flour", "sugar", "baking soda", "salt", "eggs", "sour cream"]