First, preheat the oven to 350 degrees Fahrenheit. Heavily spray a muffin pan with nonstick spray or use nonstick baking cups.
In a mixing bowl, add mashed bananas, eggs, and peanut butter. Stir to combine.
Add in almond flour, protein powder, and baking soda. Stir to combine.
Fold in chocolate chips.
Scoop batter into baking cups and fill ⅔ the way.
Bake for 17-20 minutes or until toothpick inserted into muffins comes out clean.
Finally, remove from oven. Allow muffins to cool for 10 minutes in pan before carefully removing from pan.