1Preheat oven to 350 degrees. Spray a 9 by 13 inch pan with vegetable oil spray.
In a large bowl, combine cake mix and pineapple (with juice). Mix until well blended.
Pour batter into prepared 9 by 13 inch pan. Bake at 350 degrees for 25 minutes or until golden brown. Let cool.
Serve with whipped topping