In a bowl, mix together dry ingredients. Oats, brown sugar, baking soda, cinnamon, and chocolate chips.
Fold frozen berries into dry mix.
Dump dry mixture into a greased, 9" x 13" pan
In a separate bowl, whisk together melted butter, almond milk, egg, and vanilla extract.
Pour the mixture over the oatmeal mixture making sure to evenly distribute it. You can shake the pan a little to make sure it is getting distributed everywhere.
Slice your banana into 1/4 inch slices and spread them out over the oatmeal.
Bake for 30-35 minutes or until it looks fully cooked.
Sprinkle with additional brown sugar and serve warm.
Notes
If your family doesn’t finish this in one sitting, these leftovers can easily be stored in the fridge for up to four days. Just reheat it in the microwave for a quick breakfast!