Preheat oven to 375F.
Spray baking dish of your choosing with cooking spray.
Thinly slice strawberries and one of the bananas. Set aside.
In a large bowl, mash the other banana until smooth.
Add in oats, milk, egg, maple syrup, oil, baking powder, cinnamon, and salt. Mix until blended.
Add sliced strawberries, banana, and chocolate chips, gently folding them into the mixture.
Bake for 50-55 minutes until the edges are golden brown.
Serve immediately with desired toppings.