Step 1

Preheat the oven to 325 degrees. Peel and mash the bananas.

Step 2

Add in the egg, butter, peanut butter, brown sugar and vanilla and mix until well combined.

Step 3

Combine 1 cup of flour and remaining dry ingredients, reserving 1/4 cup of flour. Add the dry ingredients and stir just until combined. Do not overmix.

Step 4

Combine Reese's peanut butter chips, and chocolate chips in a bowl. Sprinkle remaining 1/4 cup of flour over the chips and gently coat the chips with flour.

Step 5

Add to batter and mix just until combined.

Step 6

Lightly grease a muffin tin or line with baking cups.

Step 7

Divide batter evenly among 12 cups.

Step 8

Bake muffins for 20-25 minutes or until golden brown. Let the muffins cool slightly before removing from tin. Enjoy!