Blend 1/2 cup rolled oats to make oat flour.
Mash 2 ripe bananas and mix with the oat flour, melted butter, and cocoa powder.
Add 1 teaspoon of baking powder for a healthy touch.
Mix in 3/4 cup dark chocolate chips.
Transfer the mixture into a loaf pan lined with parchment paper.
Add a tablespoon of peanut butter on top as desired.
Bake at 350°F (175°C) for about 25-30 minutes or until set.
Allow to cool before cutting and serving.