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A baking dish of golden baked blueberry oatmeal with a slice served on a plate drizzled with maple syrup, coffee and fresh blueberries alongside

Baked Blueberry Oatmeal

A warm, cozy baked oatmeal studded with juicy blueberries, sliced banana, and a touch of cinnamon. Slice it into squares and serve with a drizzle of maple syrup.
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Prep Time 10 minutes
Cook Time 40 minutes
Total Time 50 minutes
Servings: 6 servings
Course: Breakfast
Cuisine: American
Ingredients Method Notes

Ingredients
  

  • 2 1/2 cups rolled oats
  • 1 teaspoon baking powder
  • 1 teaspoon ground cinnamon
  • 1/2 teaspoon salt
  • 2 cups milk
  • 1/3 cup maple syrup, plus more for serving
  • 1 large egg
  • 2 tablespoons butter or oil, melted
  • 1 teaspoon vanilla extract
  • 2 cups fresh or frozen blueberries, divided
  • 1 ripe banana, sliced optional

Method
 

  1. Preheat the oven to 375°F (190°C). Grease a 9x13-inch baking dish.
  2. In a large bowl, whisk together the oats, baking powder, cinnamon, and salt.
  3. In a separate bowl, whisk together the milk, maple syrup, egg, melted butter, and vanilla extract.
  4. Spread half the blueberries (and the banana slices, if using) in the bottom of the prepared dish. Sprinkle the oat mixture evenly over top.
  5. Pour the milk mixture evenly over the oats, gently pressing down so the oats are submerged. Scatter the remaining blueberries over the top.
  6. Bake for 35-40 minutes, until golden and set in the center.
  7. Let cool for 5-10 minutes, then cut into squares and serve warm with a drizzle of maple syrup.

Notes

This keeps well in the fridge for up to 4 days and reheats beautifully in the microwave — it's a great make-ahead breakfast for the week. Frozen blueberries work just as well as fresh; no need to thaw them first.