Texas Sheet Cake
["2 c. flour", "2 c. sugar", "1/2 tsp. salt", "3 c. butter", "8 Tbsp. cocoa", "2 eggs", "1/2 c. sour cream", "1 tsp. baking soda", "6 Tbsp. milk", "1 (16 oz.) box powdered sugar", "1 tsp. vanilla", "1 c. walnuts, chopped"]
["Mix flour, sugar and salt in large bowl; set aside.", "In a saucepan, add 2 cubes butter, 1 cup water and 4 tablespoons cocoa. Bring to a boil and add to flour mixture.", "Mix well.", "Combine 2 eggs, beaten, 1/2 cup sour cream and 1 teaspoon baking soda.", "Add to the rest of the ingredients.", "Place in a jelly roll pan that has been sprayed with Pam and bake at 400\u00b0 for 15 minutes.", "When cake is removed from oven and just warm, add topping."]
["flour", "sugar", "salt", "butter", "cocoa", "eggs", "sour cream", "baking soda", "milk", "powdered sugar", "vanilla", "walnuts"]