Blueberry Banana Baked Oatmeal Recipe for Breakfast Casserole

I recently tried a baked oatmeal recipe that felt indulgent—almost like enjoying a slice of pie for breakfast. The combination of ripe bananas and juicy blueberries gives it a natural sweetness, while the oats provide a satisfying, hearty texture. It’s simple to prepare and great for make-ahead breakfasts or a cozy weekend morning.

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Blueberry Banana Baked Oatmeal

Blueberry Banana Baked Oatmeal — a warm, comforting breakfast that tastes like a breakfast pie.

Course:

Breakfast
Cuisine:

American
Keyword:

blueberry banana baked oatmeal
Servings: 6
Author: Kitchen Nostalgia
Ingredients
  • 2
    large eggs
  • 1/4
    cup
    white sugar
  • 3/4
    tsp
    vanilla extract
  • 1/2
    tsp
    salt
  • 3/4
    tsp
    baking powder
  • 2
    cups
    milk
  • 1.5
    cups
    mashed bananas,
    3 large
  • 2.5
    cups
    old fashioned oats
  • 8
    ounces
    frozen blueberries
Instructions
  1. Preheat the oven to 375°F (190°C). In a large bowl, whisk together the eggs, sugar, vanilla, salt, and baking powder until combined. Stir in the milk, mashed bananas, and oats until the mixture is evenly mixed.
  2. Gently fold in the frozen blueberries—do not thaw them first, or the batter will turn purple. Pour the mixture into a buttered 8×8-inch baking dish and spread it into an even layer. Bake for about 45 minutes, until the top is set and lightly golden.
  3. Let the baked oatmeal cool slightly before serving. It can be enjoyed warm or cold. Stored in an airtight container in the refrigerator, it will keep for up to one week.