The most delicious Brownie Baked Oatmeal!

85 g oat flakes(~ 1 cup)
1 ripe banana
2 tbsp cocoa/ carob powder
1 egg
125 ml milk/ almond milk(1/2 cup)
1 teaspoon vanilla extract
2 tablespoons maple syrup
1 teaspoon baking soda
pinch of salt
chocolate chips(optional)
bake 20-25 minutes at 180°C /360°F