Peel and finely mash your bananas.
Add mashed bananas to the bottom of an 8x8 baking dish.
Mix in oats, chia seeds, cocoa powder, maple syrup, milk, and protein powder until fully combined.
Spread mixture evenly in the baking dish.
Sprinkle shredded coconut, walnuts, and chocolate chips on top.
Cover and refrigerate for at least two hours or overnight.
When ready to eat, remove from the fridge and enjoy your delicious breakfast!