Texas Sheet Cake
["1 c. oil", "1 c. water", "4 Tbsp. cocoa", "2 c. plain flour", "2 c. sugar", "1/2 tsp. salt"]
["Beat 2 eggs in a bowl and add 1/2 pint sour cream and 1 teaspoon soda.", "Beat well and add 1 teaspoon vanilla.", "Bake in greased 15 x 1 x 1-inch pan or 13 x 9 x 2-inch for 28 minutes at 375\u00b0."]
["oil", "water", "cocoa", "flour", "sugar", "salt"]