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Home Recipe Index Breakfast Oatmeal Dishes

Blueberry Baked Oatmeal

★★★★★ 5 /5
Jump to Recipe Rate Recipe
Rachel Tiemeyer
By: Rachel TiemeyerPosted: 12/30/21Updated: 3/23/23

This post may contain affiliate or sponsored links. Please read our disclosure policy.

This Blueberry Baked Oatmeal Recipe with Vanilla Glaze has it all. It’s healthy, easy, freezable, and delicious. It’s also gluten-free & dairy-free! I feel great about filling my family’s tummies with this first thing in the morning.

Blueberry baked oatmeal in a white baking dish

I LOVE baked oatmeal recipes. They are great to make ahead or to serve to groups of people. This Blueberry Baked Oatmeal is a perfect make-ahead recipe for the holidays or for potluck meals. It’s a warm, satisfying, heart-healthy breakfast your whole family will love.

The blueberries in it are a powerhouse fruit that can help protect your heart, brain, eyes, and more. They also contain anti-inflammatory properties that can ward off diseases like diabetes, cancer and heart disease.

Oatmeal is also incredibly good for you to have on a regular basis. It’s a whole grain loaded with fiber and keeps you fuller longer.

Blueberry baked oatmeal with a portion scooped out

Ingredients

The ingredients are super simple and you likely have them in your pantry. Here’s what you’ll need:

  • 1 large overripe banana – Maybe you have some frozen bananas??
  • Milk – Your choice of dairy or non-dairy.
  • Eggs
  • Vanilla – Here’s how to make your own vanilla.
  • Avocado oil or melted coconut oil
  • Pure maple syrup
  • Old fashioned rolled oats
  • Ground flaxseed
  • Baking powder
  • Cinnamon
  • Salt
  • Blueberries – Fresh or frozen works.
  • Powdered sugar, for the glaze (optional)
Ingredients for blueberry baked oatmeal in a mixing bowl

Vanilla Glaze

While the vanilla glaze drizzle is optional (and can be replaced with maple syrup in a pinch), I highly recommend it! It not only adds some sweetness to the baked oatmeal but it also adds a nice, shiny glaze over the top which makes it look prettier when serving. You can mix it up in less than 1 minute!

Vanilla glaze being drizzled over a cooked blueberry baked oatmeal

Variations and Substitutions

  • Dairy-Free Option: Use dairy-free milk in the recipe and glaze.
  • Gluten-Free Option: Make sure your oats say “gluten free” on the package.
  • You can sub the banana with 1 cup of unsweetened applesauce.
  • You can use quick oats instead of old fashioned oats in the recipe.
  • Swap out the blueberries for raspberries, blackberries, or chopped strawberries.
  • Because this recipe is so easy, it works great to double and freeze like we do in our 1 Hour Freezer Prep Sessions.
  • Add nuts like sliced or slivered almonds or chopped pecans for additional protein and crunch.
  • Use maple syrup instead of the vanilla glaze.
Close up of a cooked blueberry baked oatmeal

How to Serve Baked Oatmeal

While some of our recipes are easy to slice and serve cake-style, this one works best to be served in a bowl. It falls apart like traditional oatmeal and you’ll want to add some milk over it to bring in some moisture when serving.

Blueberry baked oatmeal in a white bowl with milk over the top of it.

How to Freeze This Meal

We are big fan of freezer meals. In fact, we’ve worked hard to create valuable freezer meal resources for you–including two cookbooks, a library of 1 Hour Freezer Prep, and an index of tried and true freezer meal recipes.

Guess what? We have freezer meal instructions for this baked oatmeal, too. The picture below is our Pumpkin Baked Oatmeal Recipe but the freezing method is the same for Blueberry Baked Oatmeal.

Freeze For Later: 

Put together the casserole either in an 8×8 inch casserole dish, but don’t bake it. Tightly wrap the dish in a few layers of plastic wrap or foil (or a tight-fitting lid) and freeze.

Prepare From Frozen: 

Thaw completely using one of these safe methods. Bake according to instructions.

A baked oatmeal being prepped to go into the freezer.

What Goes Well With Blueberry Baked Oatmeal?

Here are some easy recipes that would go well with this baked oatmeal:

  • Any of our Top 7 Smoothies
  • Oven Omelet
  • Baked Ham & Egg Cups
  • Oven Baked Bacon
  • Top it off with a little Strawberry Freezer Jam
fully cooked ham and egg cups in a freezer bag

Want More Make Ahead Breakfast Ideas?

Foolproof make-ahead breakfast recipes that will help you start the morning the right way.

See Top 10 Make Ahead Breakfasts

More Baked Oatmeal Dishes You’ll Love

If you enjoy baked oatmeal as much as our families do, give a few of these others a try. They all work well to freeze before baking, as well.

Apple Cinnamon Baked Oatmeal is hearty, healthy, delicious, and fairly adaptable to whatever ingredients you have on hand. Plus, leftovers keep well in the fridge for several days. Serve it up as a tasty start to your day or as a “breakfast-for-dinner”, along with bacon and a fruit salad.

Apple Cinnamon Baked Oatmeal

Baked oatmeal in a white bowl

Brownie Baked Oatmeal

Dark Chocolate Banana Baked Oatmeal (with Sneaky Spinach)

Pumpkin Baked Oatmeal (with Chocolate Chips)

Delicious and healthy! Make this baked oatmeal ahead of time for a warm and comforting breakfast the whole family will love. Double and freeze an extra one for later, too. #freezermeal #realfood

Peanut Butter and Banana Baked Oatmeal

Baked Chocolate Steel Cut Oatmeal: A super health, easy, freezable breakfast.

Baked Chocolate Steel Cut Oatmeal

This Baked Oatmeal is hearty, healthy, delicious, and fairly adaptable to whatever ingredients you have on hand. Plus, leftovers keep well in the fridge for several days. Serve it up as a tasty start to your day or as a “breakfast-for-dinner”, along with bacon and a fruit salad.

Baked Oatmeal with Fruit

Did you make this? Snap a photo and tag us on Instagram at @thrivinghome so we can see your creations and cheer you on!

Blueberry baked oatmeal in a white baking dish
★★★★★ 5 from 5 reviews

Blueberry Baked Oatmeal

This Blueberry Baked Oatmeal Recipe with Vanilla Glaze has it all. It’s healthy, easy, freezable, and delicious. It’s also gluten-free & dairy-free! I feel great about filling my family’s tummies with this first thing in the morning.

Yield: 6 1x
Prep: 10 minutesCook: 45 minutesTotal: 55 minutes
Print Recipe Rate Pin for Later
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Scale:

Ingredients

  • Cooking spray
  • 1 large overripe banana, mashed (sub: 1 cup unsweetened applesauce)
  • 3/4 cup milk (DF option: Use plain non-dairy milk.)
  • 2 eggs
  • 1 teaspoon vanilla
  • 2 tablespoons avocado oil or melted coconut oil
  • 1/3 cup pure maple syrup
  • 3 cups old-fashioned rolled oats (GF Option: Use gluten-free oats.)
  • 1/4 cup ground flaxseed (sub: more oats)
  • 2 teaspoons baking powder
  • 1/2 teaspoon cinnamon
  • 1/4 teaspoon salt
  • 1 cup fresh or frozen blueberries (do not thaw the frozen ones!)
  • Optional for serving: milk, sliced almonds or chopped pecans, blueberries, sliced bananas, more maple syrup

(Optional) Vanilla Drizzle:

  • 1 tablespoon milk (DF option: Use plain non-dairy milk.)
  • 1/2 teaspoon pure vanilla extract
  • Pinch of salt
  • 1/2 cup powdered sugar

Before You Begin! If you make this, please leave a review and rating letting us know how you liked this recipe! This helps our business thrive & continue providing free recipes.

Instructions

Make It Now:

  1. Preheat the oven to 350°F. Spray an 8×8 inch casserole dish with cooking spray.
  2. In a medium mixing bowl, add the banana and mashed really well with a fork. Add the milk, eggs, vanilla, oil, and maple syrup and whisk together with the banana until combined. (Another option is that you can throw all these ingredients in the blender and blend until smooth. This will avoid any banana chunks.)
  3. In a large mixing bowl, stir together the oats, flax, baking powder, cinnamon, and salt. Pour the wet ingredients into the dry ingredients and stir until well combined. Stir in the blueberries. Pour the batter into the greased casserole dish. (Freezing instructions begin here.)
  4. Bake for about 35-40 minutes (if using frozen blueberries or a glass pan, it may take 5-10 minutes longer), or until firm around the edges and the middle is set but not too firm.
  5. Make the (Optional) Vanilla Glaze: Let oatmeal cool while you make the Vanilla Glaze. In a small bowl, stir together the milk, vanilla, salt, and powdered sugar. Once the baked oatmeal has cooled a little bit, use the spoon to drizzle it all over the top.
  6. Serve the baked oatmeal warm in a bowl with a little milk on top. You can also top with sliced bananas, more blueberries, sliced almonds or chopped pecans, if desired.

Freeze For Later: Skip Step 1. Follow Steps 2 and 3. Tightly wrap the dish in a few layers of plastic wrap or foil (or a tight-fitting lid), fill out and tape on the freezer label, and freeze.

Prepare From Frozen: Thaw completely. Follow Steps 4-6.

Equipment

8×8 Glass Baking Dish with Lid (Freezer Container)

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Measuring Cups

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Mixing Bowl

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Notes/Tips

You can skip the Vanilla Drizzle and add a little more maple syrup at the end if you need it.

© Author: Rachel Tiemeyer
Cuisine: American Method: Baking

Did you make this?

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More Make-Ahead Recipes Like Blueberry Baked Oatmeal

Baked oatmeal recipes like this one are a great recipe to take to others. In fact, they are perfect for new moms! Here are other recipe ideas like this one that would be great to pass on to someone in need:

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Rachel Tiemeyer

Rachel Tiemeyer

As co-founder of Thriving Home, Rachel dreams about creating recipes (literally) and uses her husband, her 3 kids, and even the neighbors as guinea pigs several nights a week. She believes that good food has the power to bring families and friends closer together and continues to wake up excited about her job each day, even after 10+ years!

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  1. AvatarAnna says

    Posted on 3/24/23 at 9:19 pm

    Wow! This was delicious! First time making baked oatmeal and I think I’ve found my new favourite breakfast. So easy, no special ingredients & it made my house smell gorgeous. Like a cross between a blueberry muffin & glazed donut but healthy. We served it with Greek yoghurt. Highly recommend! Can’t wait to try the other baked oatmeal recipes on your website.

    ★★★★★

    Reply
    • Carla from Thriving HomeCarla from Thriving Home says

      Posted on 3/25/23 at 11:08 am

      Yay! So glad you enjoyed it Anna. I’m partial to the Brownie Baked Oatmeal, but the blueberry is a close second. Thank you for leaving a review.

      Reply
  2. AvatarKrista says

    Posted on 2/20/23 at 8:35 am

    Can you make this in muffin cups?

    Reply
    • Carla from Thriving HomeCarla from Thriving Home says

      Posted on 2/20/23 at 4:45 pm

      Hi Krista. We have not personally tested it, but we have had several readers say they cook it in muffin tins and then freeze what they called “oatmeal pucks” for quick breakfasts. We’d love to hear how it turns out if you also try it.

      Reply
  3. AvatarJen says

    Posted on 1/29/23 at 9:49 pm

    New staple! Added protein powder and it makes it a bit more dense but not less moist. Love it!

    ★★★★★

    Reply
    • Carla from Thriving HomeCarla from Thriving Home says

      Posted on 1/30/23 at 11:35 am

      Good to know on the protein powder Jen. Thanks!

      Reply
  4. Avatarlynn Valentino says

    Posted on 12/25/22 at 6:17 am

    This recipe is delicious!!!

    Reply
    • Carla from Thriving HomeCarla from Thriving Home says

      Posted on 12/26/22 at 11:44 am

      Thank you Lynn!

      Reply
  5. AvatarBill says

    Posted on 10/14/22 at 9:00 am

    Can the recipe be altered to make a firm, moist almost heavy cake like baked oatmeal.

    Reply
    • Rachel TiemeyerRachel Tiemeyer says

      Posted on 10/14/22 at 11:42 am

      I’m not sure. Haven’t tried that.

      Reply
  6. AvatarLori L. says

    Posted on 10/4/22 at 6:38 am

    This turned out so great! Thank you!

    ★★★★★

    Reply
    • Carla FletcherCarla Fletcher says

      Posted on 10/4/22 at 11:35 am

      Yay! Glad to hear it Lori. Thank you for taking the time to leave a review. 🙂

      Reply
  7. AvatarMeg Punt says

    Posted on 9/17/22 at 3:38 pm

    Amazing for breakfast

    ★★★★★

    Reply
    • Rachel TiemeyerRachel Tiemeyer says

      Posted on 9/18/22 at 3:47 pm

      Glad you enjoyed it!

      Reply
  8. AvatarLaurie says

    Posted on 9/2/22 at 9:21 am

    Can you bake this and then freeze it and warm up in microwave?

    Reply
    • Rachel TiemeyerRachel Tiemeyer says

      Posted on 9/2/22 at 3:32 pm

      Yes, you can. Be sure to wait until it cools, then wrap tightly to diminish air exposure. Hope that helps!

      Reply
  9. AvatarKristin Viall says

    Posted on 8/7/22 at 8:49 am

    A family favorite and breakfast staple!

    ★★★★★

    Reply
    • Rachel TiemeyerRachel Tiemeyer says

      Posted on 8/7/22 at 5:43 pm

      Awesome to hear that, Kristin. Thanks!

      Reply
  10. AvatarTJ says

    Posted on 1/12/22 at 7:13 am

    what other oil can you use in place of avocado oil or melted coconut oil in the Blueberry Baked Oatmeal? I don’t have either on hand. Thanks in advance

    Reply
    • Rachel TiemeyerRachel Tiemeyer says

      Posted on 1/12/22 at 10:49 am

      Melted butter is delicious. Or you can use canola or vegetable oil.

      Reply

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