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Ultra close-up macro of golden baked blueberry banana oatmeal with bursting blueberries, sliced caramelized bananas, toasted walnuts, and maple syrup
Lily Coleman

Cozy Blueberry Banana Baked Oatmeal

Tender and cake-like, this naturally sweetened baked oatmeal is packed with heart-healthy rolled oats, mashed ripe bananas, plump blueberries, and warm cinnamon. A nutritious make-ahead breakfast that reheats beautifully all week.
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Prep Time 10 minutes
Cook Time 35 minutes
Total Time 45 minutes
Servings: 6 squares
Course: Breakfast, Brunch, Meal Prep
Cuisine: American, Healthy Clean Eating
Calories: 285
Ingredients Method Nutrition

Ingredients
  

Dry Oatmeal Base
  • 2 cups rolled oats old fashioned
  • 1 tsp baking powder for gentle rise
  • 1.75 tsp spices cinnamon and nutmeg
  • 0.5 tsp kosher salt enhances sweetness
  • 0.5 cup walnuts toasted crunch
Wet Batter & Natural Sweeteners
  • 2 medium ripe bananas mashed
  • 1.75 cups almond milk plant based
  • 1/3 cup maple syrup pure maple
  • 1 large egg lightly beaten
  • 2 tbsp coconut oil melted
  • 1 tsp vanilla extract aromatic
Fresh Berry Fold-In & Topping
  • 1.5 cups blueberries fresh or frozen
  • 0.5 medium banana sliced for topping

Method
 

  1. Prep Oven & Dish: Preheat oven to 375°F (190°C). Grease an 8x8-inch or 9x9-inch ceramic baking dish lightly with coconut oil or cooking spray.
  2. Mix Dry Ingredients: In a large bowl, whisk together rolled oats, baking powder, ground cinnamon, nutmeg, kosher salt, and half of the chopped walnuts.
  3. Whisk Wet Ingredients: In a separate medium bowl, mash the 2 ripe bananas until smooth. Whisk in almond milk, pure maple syrup, egg, melted coconut oil, and vanilla extract until thoroughly combined.
  4. Combine & Fold: Pour wet mixture over the dry oats and stir until evenly moistened. Gently fold in 1 cup of the fresh blueberries.
  5. Assemble & Garnish: Transfer batter into the prepared baking dish. Scatter the remaining 1/2 cup blueberries, sliced banana coins, and remaining chopped walnuts over the top surface.
  6. Bake to Golden: Bake at 375°F for 35 to 40 minutes until top is golden brown, edges are gently set, and center feels firm to a light touch. Cool for 10 minutes, slice into squares, and serve warm with a drizzle of maple syrup and Greek yogurt.

Nutrition

Calories: 285kcalCarbohydrates: 46gProtein: 6gFat: 9gSaturated Fat: 3gCholesterol: 30mgSodium: 180mgPotassium: 340mgFiber: 6gSugar: 17gVitamin A: 120IUVitamin C: 8mgCalcium: 140mgIron: 2.1mg

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