All you need to make these is three super ripe bananas, one box of cake mix, and one egg. That is it!
Add the bananas to the mixer and turn it on low. Once they are mushy, add the egg and cake mix. Scrap sides and make sure everything is combined.
Then pour into a muffin pan or silicone cupcake liners. Fill close to the top - you should be able to get 12 muffins out of one batch.
Bake at 350' for 15- 17 minutes. Use a toothpick to check for doneness. It should come out clean when you poke a muffin. Enjoy!