Candy Birthday Cake: Make a regular round cake and ice it. Place kitkats around the outer part of the cake using frosting as your "glue. Fill top with M's. Decorate bottom edge of cake with more M's or use your favorite candy.
Kit Kat and M Birthday Cake via Paige's Pantry. SO this is probably an instant diabetic type cake BUT no one says you have to make it everyday either. It looks fun and simple and no doubt the kids will love it. Pin takes you to the directions and recipe!