Blueberry Baked Oatmeal

This blueberry baked oatmeal is studded with blueberries and naturally sweetened with bananas and pure maple syrup. Can be made with fresh or frozen blueberries! Gluten-free and vegan-friendly.

We kicked off Oatmeal Week with baked oatmeal cups, but today we’re doing a full-on baked oatmeal recipe that bakes in a square baking dish.

This variation of baked oatmeal is still uber healthy and perfect for meal prep, but it’s also great for entertaining. Whenever we’re having friends or family over for breakfast or brunch, baked oatmeal is on the menu. Sometimes I’ll also make a frittata so we have two options (one sweet and one savory) for everyone to enjoy.

Baking dish with Blueberry Baked Oatmeal topped with fresh blueberries.

I’ve personally been hooked on baked oatmeal for a few years, ever since I shared this baked oatmeal recipe that everyone LOVES. I recently decided that I needed to experiment with different baked oatmeal flavor combinations and blueberries immediately came to mind!

A slice of blueberry baked oatmeal topped with fresh blueberries and maple syrup.

Blueberry Health Benefits

I love blueberries because they’re available year-round (fresh or frozen) . . . and they taste delicious year round too! They’re also known for being a superfood because they contain some of the highest antioxidant levels compared to most common fruits and veggies. They have also been shown to help improve chronic diseases like heart disease, blood pressure and diabetes.

Oats, blueberries and other ingredient measured out to bake blueberry baked oatmeal.

Ingredients Needed:

  • rolled old-fashioned oats
  • pure maple syrup
  • baking powder
  • ground cinnamon
  • sea salt
  • unsweetened vanilla almond milk
  • egg or flaxseed egg
  • coconut oil
  • pure vanilla extract
  • bananas
  • fresh or frozen blueberries

This baked oatmeal is sweetened with a little bit of pure maple syrup and bananas, making it the perfect example of a baked breakfast that doesn’t need a ton of sugar to be delicious.

Of course, if you do feel like you want your baked oatmeal to be a little sweeter, you can always add a drizzle of maple syrup on it right before you dig in. 🙂

Baking dish with Blueberry Baked Oatmeal topped with fresh blueberries. A slice is taken out of the oatmeal.

Prepping & Storing Baked Oatmeal

One of my favorite things about baked oatmeal is that you can prep it ahead of time. There are a couple options that work really well. Here’s what I recommend:

Option 1: Bake and Then Reheat Before Serving

  1. Prepare baked oatmeal as the recipe suggests. Once baked, let the oatmeal cool, cover the baking dish and place in the fridge. You can do this 1-2 days in advance.
  2. When ready to serve, take oatmeal dish from fridge, cover with foil and reheat in a 350°F oven for about 20 minutes. For individual portions, set toaster oven to 350°F and bake for 5-10 minutes or reheat in the microwave for 1 minute.

Option 2: Prep as Much as You Can Without Baking

  1. Mix together your dry ingredients in a bowl, cover and let sit out on the counter until morning.
  2. Mix together all the wet ingredients in another bowl, cover and store in the fridge until morning.
  3. In the morning, simply mix the wet and dry ingredients together, pour oatmeal mixture into your prepared baking dish and bake as recipe suggests.
Blueberry oatmeal topped with fresh blueberries in a baking dish before being baked.

This baked oatmeal is good on it’s own, but to me, oatmeal isn’t complete without a drizzle of nut butter so I always serve my baked oatmeal with a drizzle of peanut butter or almond butter on top. So yummy!

A slice of blueberry baked oatmeal on a spatula being taken out of a baking dish.

Here Are More Baked Oatmeal Recipes to Try:

More Oatmeal Recipes:

Blueberry Baked Oatmeal

5 from 126 votes
This blueberry baked oatmeal is studded with blueberries and naturally sweetened with bananas and pure maple syrup. Can be made with fresh or frozen blueberries! Gluten-free and vegan-friendly.
White baking dish with blueberry baked oatmeal.
Print RecipePin Recipe
Prep Time 10minutes
Cook Time 40minutes
Total Time 50minutes
Servings 4

Ingredients

  • 2cupsrolled old-fashioned oats
  • 1/4cuppure maple syrup
  • 1teaspoonaluminum-free baking powder
  • 1 1/2teaspoonsground cinnamon
  • 1/2teaspoonfine-grain sea salt
  • 2cupsunsweetened vanilla almond milk
  • 1large egg, or 1 Tablespoon ground flaxseed
  • 2tablespoonscoconut oil, melted
  • 2teaspoonspure vanilla extract
  • 2ripe bananas, mashed
  • 1 1/2cupsfresh or frozen blueberries, divided
  • cooking spray
  • additional blueberries, nut butter and extra maple syrup, for serving

Instructions
 

  • Preheat the oven to 375°F.
  • Spray an 8-inch square baking dish with cooking spray.
  • In a large bowl, mix together the oats, baking powder, cinnamon, and salt.
  • Add in the milk, maple syrup, egg, coconut oil, vanilla and bananas. Stir well to combine. Gently fold in 1 cup of blueberries.
  • Carefully pour oatmeal mixture into the prepared baking dish.
  • Scatter the remaining blueberries across the top.
  • Bake for 40 to 55 minutes or until the middle of the bake is set and the top is golden. Remove from the oven and let cool for a few minutes. Portion and serve. Top with additional fresh blueberries and nut butter, if using. Drizzle each portion with maple syrup if you want it a bit sweeter.
  • For storage: store in the refrigerator in an airtight container for up to 4 days.
  • To reheat: To reheat the whole baked oatmeal, cover with foil and reheat in a 350°F oven for about 20 minutes. For individual portions, set oven (or toaster oven) to 350°F and bake for 5-10 minutes or reheat in the microwave for 1 minute.

Video

Nutrition

Serving: 1/4 of recipeCalories: 396kcalCarbohydrates: 64gProtein: 8gFat: 14gSaturated Fat: 7gFiber: 8gSugar: 28g
Course: Breakfast
Cuisine: Oatmeal
Keyword: baked blueberry oatmeal
Web Story: https://atrivialmindatwork.com/web-stories/easy-blueberry-baked-oatmeal/

DID YOU MAKE THIS RECIPE?

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Recipe Rating




    178 comments
    1. Joni
      June 12, 2022 AT 8:59 pm

      5 stars
      Really good! I can never get enough blueberries 😋. One quarter of the recipe is a huge serving, I’m happy to cut that in half. Can’t wait to try the other variations.

      Reply
      1. Natalia
        June 21, 2022 AT 1:03 am

        4 stars
        My oatmeal bake is mushy does it need to cook longer? Smells amazing

        Reply
        1. Brittany Mullins
          June 21, 2022 AT 11:43 am

          It might need to cook a little bit longer!

          Reply
      2. Brittany Mullins
        June 13, 2022 AT 9:21 am

        Hi Joni – so glad you enjoyed it! Thank you for writing a comment and leaving a review, I so appreciate it!

        Reply
    2. Alex
      May 1, 2022 AT 7:31 pm

      Can you swap honey for the maple syrup?

      Reply
      1. Brittany Mullins
        May 2, 2022 AT 7:51 am

        Hi, Alex. That should be fine!

        Reply
    3. Hazel
      April 12, 2022 AT 3:30 am

      5 stars
      Hi, I am really enjoying this recipe. Just wondering if anyone has tried freezing it? Thanks

      Reply
      1. Brittany Mullins
        April 12, 2022 AT 8:24 am

        Hi, Hazel! You can store it in an airtight container in the freezer for up to 3 months. When freezing, I recommend cutting the oatmeal into portions, wrapping each in plastic wrap and placing the portions in a large freezer bag. The individual servings make it easier for reheating! I hope this helps 🙂

        Reply
    4. Vanessa
      March 26, 2022 AT 12:41 am

      5 stars
      Oh, this is delicious! I accidentally omitted the maple syrup but the bananas add enough sweetness that it’s still really yummy. I served it warm with vanilla greek yogurt and it was SO GOOD! Thanks for another great recipe. 🙂

      Reply
      1. Brittany Mullins
        March 26, 2022 AT 9:06 am

        Woo! So glad to hear that, Vanessa! I appreciate you coming back to leave a review, thank you.

        Reply
    5. Sue
      March 16, 2022 AT 10:44 pm

      5 stars
      Delicious and moist!

      Reply
      1. Brittany Mullins
        March 17, 2022 AT 9:59 am

        Woo! So glad to hear that, Sue! Thanks for coming back to leave a review, I appreciate it.

        Reply
4 bowls of oatmeal topped with a variety of fruit, nuts, nut butter, chocolate chips and toppings.

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