Watergate Cake
["1 box white cake mix", "1 box pistachio pudding mix", "3 eggs", "1 c. oil", "1 c. club soda", "1 c. nuts (pecans or walnuts)"]
["Mix first 5 ingredients for 2 minutes.", "Fold in nuts.", "Bake in a tube pan for 50 to 55 minutes at 350\u00b0.", "Cool."]
["white cake mix", "pistachio pudding", "eggs", "oil", "club soda", "nuts"]