Texas Sheet Cake
["1 c. butter or oleo", "1/4 c. cocoa", "2 c. sugar", "1/2 tsp. salt", "1 c. water", "2 c. all purpose flour", "1 tsp. baking soda", "1/2 c. sour cream"]
["In a large saucepan, bring the butter, water and cocoa to a boil.", "Remove from the heat.", "Combine the flour, sugar, baking soda and salt; add to cocoa mixture.", "Stir in the sour cream until smooth.", "Pour into a greased 15 x 10 x 1 inch baking pan.", "Bake at 350\u00b0 for 20 to 25 minutes or until a toothpick inserted near the center comes out clean."]
["butter", "cocoa", "sugar", "salt", "water", "flour", "baking soda", "sour cream"]