Preheat oven to 350f and grease a 9x9 baking pan.
Mash banana in a bowl then add in milk, vanilla, rolled oats, cinnamon, salt, and baking soda. Mix well.
Fold in strawberries and chocolate chips, mix together well.
Pour into greased pan and cook for about 30 minutes or until edges are browned a bit.
Let cool completely and cut into 9 squares. Keep covered in the fridge or wrap and freeze.