Banana Pudding Cake

Use a white cake mix but use one stick of melted butter for the oil, use milk instead of water for the liquid and use whole eggs. Bake in a 9 x 13 inch pan. Make a large box of vanilla pudding, regular. Add 4 T. butter and a capful of vanilla to the pudding and let the pudding cool a bit. When the cake is out of the oven, poke holes in the cake with a drinking straw. Add 3 or 4 sliced bananas to the pudding and pour over the cake. Place in fridge and chill. Top with one regular package of whipped topping or 2 c. of cream, whipped until stiff.