1: Preheat the oven to 350°F (175°C).
2: In a mixing bowl, mash the ripe bananas.
3: Add egg whites, unsweetened applesauce, maple butter, and vanilla. Mix well.
4: In another bowl, combine oat flour, gluten free baking flour, baking powder, baking soda, sea salt, and cinnamon.
5: Gradually mix the dry ingredients into the banana mixture.
6: Pour the batter into a greased loaf pan.
7: Bake for about 60 minutes or until a toothpick comes out clean.
8: Allow to cool before serving.
