1 box yellow cake mix (plus ingredients to make)
1 container cool whip
1 large box banana pudding (plus ingredients to make)
Crushed vanilla wafers
Bake cake according to box directions. Prepare pudding according to directions. When cake is finished, let cool completely. When cool, poke holes in cake with the end of wooden spoon. Pour pudding over cake, spreading into holes. Top with cool whip. Sprinkle with vanilla wafers. Serve chilled.