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Healthy Blueberry Baked Oatmeal (Gluten-free) Recipe

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4 from 12 reviews

This Healthy Blueberry Baked Oatmeal is a gluten-free, nutrient-packed breakfast option that’s both delicious and easy to prepare. Made with rolled oats, fresh blueberries, and natural sweeteners like maple syrup and banana, this baked oatmeal is perfect for a wholesome morning meal. It’s beautifully spiced with cinnamon and nutmeg and topped with crunchy almonds for extra texture.

Ingredients

Dry Ingredients

  • 2 ¾ cups old fashioned rolled oats
  • 1 ½ tablespoons chia seeds (optional)
  • 1 teaspoon baking powder
  • ¼ teaspoon fine salt
  • ½ teaspoon ground cinnamon
  • ¼ teaspoon ground nutmeg

Wet Ingredients

  • ⅓ cup maple syrup or honey (use 3 tablespoons for less sweet)
  • 1 ripe banana, mashed (~½ cup) or applesauce
  • 2 large eggs*
  • 1 ½ cups milk of choice
  • ¼ cup melted unsalted butter or coconut oil
  • 2 teaspoons pure vanilla extract

Add-ins and Toppings

  • ¼ cup almonds, sliced or chopped + more for topping (omit for nut-free)
  • 1 ½ cups frozen blueberries, do not thaw (may substitute fresh blueberries)

Instructions

  1. Preheat Oven: Preheat your oven to 375℉ (190℃). Prepare a 9×9 or 8×8-inch baking dish by spraying it lightly with cooking spray to prevent sticking.
  2. Mix Ingredients: In a large mixing bowl, combine the rolled oats, chia seeds (if using), baking powder, salt, cinnamon, and nutmeg. Add the maple syrup or honey, mashed banana (or applesauce), eggs, milk, melted butter (or coconut oil), and vanilla extract. Stir everything together until thoroughly combined.
  3. Add Berries and Nuts: Fold in the frozen blueberries and ¼ cup of sliced or chopped almonds into the oat mixture. Pour the batter into the prepared baking dish, spreading it evenly.
  4. Top and Bake: Add a few additional frozen blueberries and sliced almonds on top for garnish and extra texture. Place the dish in the oven and bake for 30 to 35 minutes, or until the center is set and a toothpick inserted comes out mostly clean.
  5. Cool: Once baked, remove from the oven and allow the oatmeal to sit for 10 minutes before serving. This helps it set and makes it easier to slice.
  6. Serve: Serve warm topped with whipped cream, yogurt, and an extra drizzle of maple syrup if desired for added sweetness.

Notes

  • Egg-Free Option: Substitute each egg with ¼ cup unsweetened applesauce or use a commercial egg replacer.
  • Maple syrup sweetness can be adjusted according to preference; use 3 tablespoons for a less sweet version.
  • Can substitute coconut oil for butter to make it dairy-free.
  • Use almond-free nuts or omit almonds entirely for a nut-free version.
  • Leftovers can be refrigerated for up to 4 days and reheated before serving.