Mash ripe bananas with the back of a fork, or using a potato masher.
Add peanut butter, egg and brown sugar. Mix well to combine.
Blend in cinnamon and buttermilk.
Add Kodiak pancake mix and chocolate chips, mix just to combine. Don't over mix.
Evenly distribute batter into muffin tin.
Bake in a 350˚F oven for 22-25 minutes, or until slightly brown and a toothpick comes out clean.