Preheat oven to 180°c and line a loaf tin.
To a bowl add the banana, eggs, maple syrup, peanut butter, almond milk and mix until combined.
Add the flour, baking powder and mix. Fold in the mini Reese's cups and chocolate chips.
Transfer mixture to the loaf tin. Swirl on some peanut butter and add some Reese's cups (optional). Bake for 40 minutes or until cooked.
Let cool, slice up and enjoy!