Watergate Cake
["1 pkg. white cake mix", "1 pkg. pistachio pudding", "3/4 c. oil", "3 eggs", "1 c. 7-Up (secret ingredient)", "1/2 c. chopped nuts"]
["Mix all ingredients well and bake in either 2 layers, oblong 9 x 13-inch pan or Bundt pan at 325\u00b0 for 45 minutes to 1 hour."]
["white cake mix", "pistachio pudding", "oil", "eggs", "nuts"]