Preheat the oven to 375°F and line or grease a baking tray.
Mash the banana in a bowl until smooth.
Stir in the oats, oat flour, egg, cocoa powder, and protein powder.
Shape into 10-12 mini cookie shapes and place on the baking tray. Bake for 20 minutes until cooked and crisp on the outside.
NUTRITION INFORMATION: Calories: 146 Fat: 3.1g Carbs: 24.4g Protein: 5.9g