Omnomicon makes » how to make a rainbow cake!
Mmmmm. Sunny Day Rainbow Cake 2 boxes white cake mix 24 oz of clear diet soda (2 cans, ginger ale and sprite work well) gel food colouring 16 oz whipped topping 2 oz instant fat-free sugar-free pudding mix (2 smallish boxes) The Dieting Mix the cake mix w...