Neapolitan Cake Bars - 1 box devil's food cake,1 box white cake, 1 box strawberry cake, 1 1/2 cups butter, 3 eggs. Mash 1/2 C butter and 1 egg with each cake mix. Press devil's food batter in bottom of ungreased 13X9 inch pan. Next top with white cake batter then strawberry cake batter. Bake @ 350 for 40 -50 mins. Cool and cut into bars. Enjoy!