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Healthy Blueberry Baked Oatmeal

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blueberry baked oatmeal
blueberry baked oatmeal
blueberry baked oatmeal
blueberry baked oatmeal

Today, I’m going to share with you the best healthy baked oatmeal with blueberries.

Do you ever have mornings where you want something hearty for breakfast but wish you can have most of the recipe prepared the night before? This blueberry oatmeal bake is just that! Plus making this recipe is simple and your oven does all the work!

large bowl of blueberry baked oatmeal

This Blueberry Baked Oatmeal recipe tastes out of this world with a hearty, cake-like texture and baked blueberries in each bite.

As I share this recipe, I’ll also show you how to assemble it the night before and include tips to make sure you achieve perfect oatmeal bake results.

overhead view of baking dish filled with baked oatmeal and a bowl of baked oatmeal topped with blueberries

Blueberry Oatmeal Bake

We all want to provide our family with a nutritious meal to start the day, and this blueberry baked oatmeal is an incredibly delicious breakfast that will keep everyone full and energized for hours. 

Oats are an excellent source of fiber and complex carbs, which help keep us feeling full and provide long-lasting energy.  

There are so many things to make with oatmeal, like my overnight oats recipes and while single-serve oatmeal jars are practical, some mornings I feel like eating warm oats right out of the oven with a little milk over the top. Nothing beats that! 

Blueberry Baked Oatmeal Ingredients

Ready to whip up your baked oatmeal? Run to the pantry and pull out these healthy ingredients:

  • old-fashioned oats: for baked oatmeal recipes, old-fashioned oats work best. I don’t recommend steel-cut or instant. 
  • baking powder: helps the batter rise. 
  • salt: enhances the other flavors. 
  • honey: just enough to give the baked oatmeal a touch of sweetness.
  • milk: use any milk or non-dairy alternative. 
  • egg: binds the batter ingredients and helps it rise. 
  • butter: flavor purposes and to moisten the baked oatmeal. 
  • vanilla: makes it more like cake! 
  • blueberries: infuses the oats with tangy-sweet berry flavor!

This recipe is successful with frozen or fresh blueberries, so you can make this any time of the year! Frozen and wild blueberries may give your oatmeal a purplish color, but the baked oatmeal will taste amazing either way.

How to Make Blueberry Baked Oatmeal

You’ll want to make this blueberry oatmeal bake every week for a healthy, satisfying breakfast, and it’s so easy to make! Here’s what to do:

  1. Prep 
    Preheat the oven to 375F and lightly grease a square baking dish with cooking spray. 
  2. Mix the dry ingredients
    In a medium bowl, combine the oats, baking powder, and salt. 
  3. Make the batter
    In a large bowl, combine the honey, milk, egg, melted butter, and vanilla extract. Add the oat mixture and stir to combine. Fold in the blueberries. 
  4. Bake
    Pour the oat mixture into the baking dish. Bake for 35 minutes or until the top is golden and the oat mixture set. 
  5. Grab a bowl
    Remove from the oven and allow to cool slightly before serving. Top your bowl with milk and your favorite toppings. (Lots of inspiration below!)

Watch how this recipe is made from start to finish: 

I love creating versatile recipes like this baked oatmeal. I believe that preparing healthy and delicious meals for your family shouldn’t be a struggle and it’s meal ideas like this that make it possible.

If you find yourself looking for a way to help your family eat better in a way that will leave them begging for more, look no further than the Family KickStart Program!

It’s a healthy eating meal plan made for families with breakfast, lunch, and dinner recipes that are kid-approved and made with real ingredients. 

Each week menu comes with its own shopping list and prep guide to help you stay prepared and integrate healthy eating habits into your daily life, even after the 30 days is up! 

The Family Kickstart Program is a game-changer that helps families eat better and feel their best! 

person holding bowl of blueberry baked oatmeal topped with milk

Blueberry Baked Oatmeal Toppings

Take your bowl of baked oatmeal up a notch with any of these yummy oatmeal toppings. 

  • sliced banana
  • peanut/almond butter
  • cold milk- just a splash over gives turns this into blueberries and cream baked oats! 
  • maple syrup
  • chopped walnuts
  • brown sugar
  • cinnamon

Want more baked oatmeal flavors? If you’re a pumpkin spice fan, you’ll love my Pumpkin Baked Oatmeal Recipe, and the Cranberry Orange Baked Oatmeal Recipe never disappoints! 

Baked Oatmeal Ingredient Substitutions

Baked oatmeal is easy to turn into an allergy-friendly breakfast. Oats are naturally gluten-free, and ingredient swaps below show you how to make this recipe egg and dairy-free. 

  • egg: use a flax egg instead. Mix 3 tablespoons warm water with 1 tablespoon ground flax. Wait 10 minutes until a gel-like mixture forms. 
  • butter: use equal parts coconut oil or vegan butter. 
  • milk: any unsweetened non-dairy milk works great. Almond, soy, rice, and even oat milk are fair game. 

Make-Ahead Oatmeal Bake

To make this blueberry oatmeal bake ahead of time, measure out the dry ingredients and place them inside the baking dish. In a blender jar, combine the wet ingredients and refrigerate overnight. The next morning, add the wet ingredients to the baking dish, stir, and fold in the blueberries. 

Bake as directed, and all that’s left is to grab a bowl and enjoy! 

When you prep ahead this recipe takes less than 2 minutes to assemble in the morning, and while it’s baking, you can get everyone ready and prep your lunches. 

Can You Freeze Baked Oatmeal

Baked oatmeal holds up well in the freezer and reheats with the same delicious flavor and texture you get when it’s fresh from the oven. The color might be a little more purple, but this usually isn’t an issue since the flavor is all there.

To freeze baked oatmeal, place single portions into freezer-safe containers and seal. Freeze for up to 2 months.

The night before you plan to serve it for breakfast, transfer the baked oatmeal to the fridge and let it thaw out. In the morning, reheat it in the microwave, and enjoy.

Best Baked Oatmeal Success Tips

Before you get to the kitchen, here are a few simple tips to make perfect baked oatmeal every time! 

Use enough liquid
The oats need just enough liquid to soak up and turn into a cakey, bread pudding texture.  

Don’t swap oats
This recipe uses old-fashioned oats. The large flakes soak up all the liquid and won’t dry out. Exchanging them for instant or steel-cut outs would require changing the other ingredient ratios. 

Bake ahead
Want to bake this the night before? Good thinking. Prepare as directed and allow the baking dish to reach room temperature before covering with plastic wrap and refrigerating. Reheat the entire baking dish in the oven at 375F for 10 minutes or place a serving into a microwave-safe bowl and reheat for 1 to 2 minutes. 

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Blueberry Baked Oatmeal

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★★★★★

4.6 from 14 reviews

Blueberry Baked Oatmeal This hearty breakfast bake comes together quickly and is the perfect satisfying breakfast for a busy morning. The fresh berries add that fresh fruity flavor and a hint of sweetness we all love.

  • Author: Laura Fuentes
  • Prep Time: 10 mins
  • Cook Time: 35
  • Total Time: 45 minutes
  • Yield: 8 servings
  • Category: Breakfast
  • Cuisine: Family Favorites

Ingredients

  • 2 cups rolled oats
  • 1 teaspoon baking powder
  • ½ teaspoon salt
  • ¼ cup honey
  • 2 cups milk
  • 1 large egg
  • 2 tablespoons melted butter, melted
  • 2 teaspoons vanilla extract
  • 1 ½ cup fresh or frozen blueberries

Instructions

  1. Preheat the oven to 375F and grease a 9 x 9-inch square baking dish.
  2. In a medium mixing bowl, combine oats, baking powder, and salt.
  3. In a large bowl, combine honey, milk, egg, melted butter, and vanilla extract. Add oat mixture into the large bowl and mix all ingredients to form a thick oat batter. Add blueberries to the large bowl and fold with a spatula to combine.
  4. Pour oatmeal mixture into the baking dish. Arrange blueberries to make sure they are evenly distributed throughout.
  5. Baked 35 minutes in the preheated oven until the top is golden and the oat mixture is set. Remove from oven and allow the mixture to cool slightly before serving.

Equipment

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Nutrition

  • Serving Size: 1 serving
  • Calories: 182
  • Sugar: 14.7g
  • Sodium: 182.3mg
  • Fat: 3.6
  • Saturated Fat: 2.3g
  • Carbohydrates: 30.1g
  • Fiber: 2.7g
  • Protein: 5.6g
  • Cholesterol: 32.1mg

Keywords: blueberry oatmeal bake, healthy baked oatmeal

Did you make this recipe?

Tag @MOMables on Instagram and hashtag it #momables

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Reader Interactions

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    Recipe rating ★☆ ★☆ ★☆ ★☆ ★☆

  1. Christy

    December 29, 2022 at 12:21 pm

    Hi Luara! I have made your recipe for this deliciousness several times. This time I am taking it for a group get-together and would like to make a double batch. I was thinking of using a 9×12 baking dish. How do you think this would affect the baking time? Same or change something? Thanks!

    ★★★★★

    Reply
    • Laura Fuentes

      December 30, 2022 at 12:47 pm

      Hi Christy! I think you can totally double this recipe and bake it in a bigger pan without any issues. I would bake it according to the recipe and adjust the time by about 5 minutes, if needed. Basically, check it at the recipe time and take a look at the middle, that it’s cooked through and the top feels “puffy.” What’s great is that you’ve made this once so you know the texture it needs. If it’s still a little underbaked because of the larger pan but the top is getting golden brown, simply cover it with foil and finish baking it. Enjoy!!

      Reply
  2. Christy Sloat

    August 27, 2022 at 1:11 pm

    Getting ready to try this week! I have been hooked on your overnight oats all Summer and am excited to see how this turns out now that cooler weather is on the horizon (hopefully!). Was wondering if that is a Le Creuset caserole dish? And if so which size? Thanks!

    Reply
    • Laura Fuentes

      September 12, 2022 at 2:41 pm

      I can’t wait for you to try these baked oats! That baking dish is an 9×9 square ceramic dish. I also own this one from Le Cruiset (pick any color) that I use all the time.

      Reply
  3. clare

    August 15, 2022 at 7:18 am

    one word for this baked oatmeal – incredible!

    ★★★★★

    Reply
  4. Lisa

    March 04, 2021 at 1:28 pm

    This recipe sounds delicious. Could I use quick oats instead of rolled oats?

    Reply
    • Laura Fuentes

      March 05, 2021 at 3:15 pm

      The short answer is that yes, you can. However, the texture is much different, and the cooking time shorter, about 5 minutes.

      Reply
  5. Teri

    January 05, 2021 at 3:55 pm

    This was delicious !

    ★★★★

    Reply
  6. Nikki C

    April 29, 2020 at 8:07 pm

    Made this today with Apple, pear, peach cinnamon, nutmeg and maple syrup instead of honey. It was delicious! Thank you!

    Reply
    • Laura Fuentes

      May 11, 2020 at 5:04 pm

      That combo sounds delicious. Thanks for sharing, Nikki!

      Reply
  7. Cherie Duphorne

    March 23, 2020 at 12:24 pm

    Hi Laura! I’m wondering if I could use steel cut oats in this recipe instead of rolled oats, and if so do I need to make any adjustments to the other ingredients (more or less milk?) or to the time and temperature?

    Reply
    • Laura Fuentes

      March 30, 2020 at 5:49 pm

      Hi Cherie, you can absolutely use steel-cut oats for this recipe. However, for every cup of oats, you’ll need 4 cups of liquid. And, the baking time will increase to 45-50 minutes. I also recommend you stir them half way through. Enjoy!

      Reply
  8. Whitney

    February 09, 2020 at 1:30 pm

    Love this recipe! It was a hit with my husband and brother-in-law, both are very picky eaters. I made a few modifications by adding a mashed banana and I used 1 cup of plant milk instead of 2. I wanted it to be a little sweeter.

    Reply
    • Laura Fuentes

      February 10, 2020 at 1:21 pm

      I bet the mashed banana added sweetness! Great add-in!

      Reply
    • Joy

      October 23, 2021 at 2:39 pm

      I’ve looked everywhere in this recipe and I don’t see oven temperature. I used 350 but not done! Still runny!

      Reply
      • Laura Fuentes

        October 25, 2021 at 4:50 pm

        The recipe card at the end of the post states 375 degrees F. At 350, you’ll need a longer cooking time.

        Reply
  9. Sarah

    November 12, 2019 at 8:05 am

    Can I substitute milk with almond milk? Thanks!

    Reply
    • Laura Fuentes

      November 18, 2019 at 7:37 am

      Absolutely, Sarah. You can substitute milk for almond milk in this blueberry baked oatmeal recipe. Enjoy!

      Reply
  10. Karen Gimas

    October 29, 2019 at 8:33 am

    Hi everyone! Does anyone have an idea for a honey substitute? I will be feeding this to a 9 month old who can’t have honey yet. TIA

    Reply
    • Laura Fuentes

      October 31, 2019 at 3:18 pm

      You can use maple syrup. Enjoy!

      Reply
  11. Toni

    October 06, 2019 at 12:08 am

    I enjoyed this a lot and my picky 2.5 year old actually ate it. I’ve made baked oatmeal before and I’m sure this recipe would’ve been delicious as written. I noticed another commenter suggested adding in some flour and an extra egg, so I tried it with half AP and half whole wheat. I think it made it a bit more cake-like which may have been what convinced my little girl to eat it. Thanks for sharing a great recipe Laura. I’m new to your blog and look forward to trying more wonderful meals.

    ★★★★★

    Reply
    • Laura Fuentes

      October 06, 2019 at 3:59 pm

      I’m so glad your family enjoyed this Blueberry Baked Oatmeal recipe, Toni! Thank you for trying my recipe and I too look forward to sharing more with you!

      Reply
  12. Dawn De Koker

    September 21, 2019 at 8:19 pm

    The Blueberry Baked Oatmeal is delicious! I substituted half a banana for the egg and it worked well. Thanks for posting.

    ★★★★★

    Reply
  13. Mo

    September 17, 2019 at 10:15 am

    Can we use apples instead of blueberries? If so, how much? Thank you!

    Reply
    • Laura Fuentes

      September 20, 2019 at 11:10 am

      Absolutely. I’d use the same amount. 1-2 apples

      Reply
  14. Layra

    September 15, 2019 at 6:12 am

    Is there anything I can use in place of honey?

    Reply
    • Laura Fuentes

      September 20, 2019 at 11:11 am

      You can omit it, use maple syrup, or a sweetener of your choice.

      Reply
  15. Gina

    August 08, 2019 at 2:57 pm

    If using frozen blueberries do you let them thaw first or throw them in frozen?

    Reply
    • Laura Fuentes

      August 23, 2019 at 6:10 pm

      Feel free to throw them in frozen. They’ll thaw and heat up just fine. Be prepared for your oatmeal to turn … purple 🙂

      Reply
  16. David Cheung

    May 09, 2019 at 7:35 pm

    I’ve made this a few times and it sure beats traditional oatmeal!
    I used 1 extra egg and add 1/2 cup of sifted flour (ap) for better texture!

    ★★★★★

    Reply
  17. Tracy

    April 17, 2019 at 1:43 pm

    Yummy, super delicious! Thanks so much. I’ll be making it again.

    Reply
  18. Elizabeth

    February 20, 2019 at 11:11 am

    I’ve been trying different recipes with blueberries and oatmeal and I can say without a doubt that this is the BEST! The consistency is cake like and so good! I followed your recipe exactly and it came out perfect! Thank you for posting this!

    ★★★★★

    Reply
    • Laura Fuentes

      March 13, 2019 at 5:07 pm

      Thank you for sharing your feedback with others Elizabeth!

      Reply
  19. Karen Kessler

    February 05, 2019 at 3:42 pm

    Can this recipe be made using a muffin pan, and if so, how long would you bake it?

    Reply
    • Laura Fuentes

      February 07, 2019 at 10:36 am

      I haven’t tried it on a muffin pan but it should work. I imagine around 18-22 minutes, but check that the oatmeal has set.

      Reply
  20. Jeannie

    February 03, 2019 at 8:21 am

    Loved this, I did it for a family meal prep. I added walnuts and cranberries as well as the blueberries. DELISH!!

    Reply
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