Banana Cake
["1 pkg. cake mix", "4 bananas", "1 large tub Cool Whip", "sugar"]
["Bake cake according to directions in 4 layers.", "Add bananas and 3 tablespoons of Cool Whip with about 1/4 cup sugar.", "Frost between 3 layers with bananas.", "Frost top and sides with rest of Cool Whip."]
["cake mix", "bananas", "sugar"]