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Blueberry Baked Oatmeal: The Ultimate Healthy Breakfast Recipe

Warm, comforting blueberry baked oatmeal for a healthy breakfast or brunch. Packed with oats, blueberries, and a touch of sweetness.

Ingredients

Scale
  • 3 cups rolled oats (not instant)
  • 3 cups milk (dairy or non-dairy, almond milk preferred)
  • 2 large eggs
  • 1/2 cup packed light brown sugar
  • 1/4 cup melted butter (salted or unsalted)
  • 2 teaspoons baking powder
  • 1 teaspoon vanilla extract
  • 1 teaspoon ground cinnamon
  • 1/4 teaspoon salt
  • 2 cups fresh or frozen blueberries (no need to thaw if frozen)
  • Optional Toppings: Chopped nuts (pecans, walnuts)
  • Optional Toppings: maple syrup
  • Optional Toppings: extra blueberries
  • Optional Toppings: yogurt or whipped cream

Instructions

  1. Preheat oven: Preheat oven to 375°F (190°C).
  2. Grease baking dish: Grease a 9×13 inch baking dish.
  3. Combine dry ingredients: In a large bowl, whisk together rolled oats, brown sugar, baking powder, cinnamon, and salt.
  4. Combine wet ingredients: In a separate bowl, whisk together milk, eggs, melted butter, and vanilla extract.
  5. Combine wet and dry: Pour wet ingredients into the bowl with the dry ingredients. Stir until just combined (don’t overmix).
  6. Add blueberries: Gently fold in the blueberries.
  7. Pour into baking dish: Pour the oatmeal mixture into the prepared baking dish, spreading it out evenly.
  8. Bake: Bake in the preheated oven for 35-40 minutes, or until the oatmeal is set and lightly golden brown on top. A toothpick inserted into the center should come out clean.
  9. Cool slightly: Let the baked oatmeal cool for a few minutes before serving.
  10. Serve warm: Serve warm with optional toppings like maple syrup, chopped nuts, yogurt, or extra blueberries.
  11. Storage: Store leftover baked oatmeal in an airtight container in the refrigerator for up to 3 days.
  12. Reheating: Microwave individual portions for 30-60 seconds, or reheat in the oven at 350°F (175°C) for about 10-15 minutes.

Notes

  • Use rolled oats (old-fashioned oats) for best results.
  • Any type of milk can be used.
  • Adjust brown sugar to your liking.
  • Butter can be substituted with coconut oil.
  • Experiment with other fruits, nuts, and spices.
  • Add chocolate chips for a treat.
  • Make it vegan by using flax eggs, non-dairy milk, and vegan butter.
  • Assemble the oatmeal mixture the night before and store it in the refrigerator.
  • Bake the oatmeal in muffin tins for individual portions.
  • If the oatmeal is too dry, add a little more milk to the mixture before baking.
  • If the oatmeal is too mushy, reduce the amount of milk slightly.
  • If the oatmeal is not sweet enough, add a little more brown sugar or maple syrup to the mixture before baking.
  • If the oatmeal is burning on top, cover the baking dish with aluminum foil during the last 10-15 minutes of baking.
  • To prevent the blueberries from sinking to the bottom, toss them with a tablespoon of flour before adding them to the oatmeal mixture.