Watergate Cake
["1 pkg. white cake mix", "1 pkg. instant pistachio pudding mix", "1 c. Crisco oil", "1 c. club soda", "1 c. nuts"]
["Mix well at medium speed, adding nuts last.", "Pour into 2 greased and floured 9-inch pans.", "Bake 40 to 50 minutes at 325\u00b0."]
["white cake mix", "instant pistachio pudding mix", "Crisco oil", "club soda", "nuts"]