Watergate Cake
["1 box white cake mix", "3 eggs", "1 c. oil", "1 box pistachio instant pudding mix", "1 c. 7-Up", "1 can black walnuts, chopped"]
["Preheat oven to 325\u00b0.", "Mix all ingredients; beat for 4 minutes. Grease and flour cake pans.", "Bake for 25 minutes, or until done. Makes 2 (9-inch) round or 1 (13 x 9-inch) rectangular pan."]
["white cake mix", "eggs", "oil", "pistachio instant pudding", "black walnuts"]