No Name Cake
Bake 1 yellow cake mix (Duncan Hines) according to directions on the box. Use a 9 x 13 x 2 greased long cake pan. Let cool.
In a large bowl, mix (by hand) the pineapple and the instant pudding. Let it stand for 5 minutes. Fold in Cool Whip. Spread over the whole cake and refrigerate before serving.