Hearty baked oatmeal with berries and nuts. Perfect for meal prep and busy morning breakfasts.
Preheat oven to 350°F (175°C). Grease 8x8 inch baking dish.
Mix oats, brown sugar, baking powder, cinnamon, and salt.
In separate bowl, whisk milk, eggs, and vanilla.
Combine wet and dry ingredients.
Fold in berries and walnuts.
Pour into prepared baking dish.
Bake 35-40 minutes until set and golden.
Serve warm or at room temperature.