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Home Recipes Course Breakfast Blueberry Baked Oatmeal
GF Gluten-Free DF Dairy Free VG Vegetarian NF Nut-Free

Blueberry Baked Oatmeal

Jump to Recipe Rate Recipe
Posted:6/23/21
Updated:1/16/23

Need an easy healthy breakfast idea? Make this Blueberry Baked Oatmeal! It’s great for weekend baking plus leftovers reheat well. Made gluten free and dairy free.

This post is sponsored by Bob’s Red Mill. As always, all opinions are my own. Thank you for supporting the brands that help keep Fit Mitten Kitchen bringing you new recipes!

Great for Meal Prep!

A baked oatmeal recipe is the perfect dish to prep on the weekend and enjoy leftovers all week long. It’s one of my favorite ways to meal prep for an easy healthy breakfast.

It takes five minutes to throw together, about 35 minutes to bake and breakfast is served!

You will love this!

What Kind of Oats Should You Use

I prefer using rolled oats in baked oatmeal, in comparison to quick oats. I love the hearty texture they bring to this recipe.

Bob’s Red Mill certified gluten free oats are handled in their dedicated gluten free facility and tested in their laboratory to meet their strict standards.

Bob’s is always my go-to for their high quality products.

Bob's Red Mill Rolled Oats bag sitting on wood board next to eggs and blueberries, with maple syrup and milk in glass jars

Is Baked Oatmeal Healthy?

Yes! Baked oatmeal is an awesome healthy breakfast thanks in part to oats – which are a great source of whole grains, soluble fiber, vitamins and minerals.

Add in some eggs for protein and healthy fats.

And blueberries for antioxidants.

And voilá – healthy breakfast recipe for you!

Ingredients in Baked Oatmeal

In this healthy baked oatmeal we’re using fridge and pantry staples, plus blueberries.

You probably already have everything in your kitchen to make this today!

  • gluten free rolled oats – Bob’s Red Mill organic certified gluten-free rolled oats are what we’re using in this baked oatmeal recipe.
  • baking powder, salt and a touch of cinnamon
  • blueberries – use fresh or frozen.
  • eggs and milk – use the milk of your choice to keep this recipe dairy-free, nut-free, etc. Eggs help hold the oatmeal bake together but check out the vegan substitution suggestion in the recipe card below.
  • vanilla extract for a delicious flavor.
ingredients in bowls with text labels above

Let’s Make it!

This baked oatmeal recipe is super simple.

First you mix together the wet ingredients, then add in the dry ingredients

Then fold in a heaping cup of blueberries into the oats and transfer to a greased baking dish.

left image; bowl of liquid and oats. right image; blueberries in glass bowl with liquid

Add more some walnuts to the top of the oats for a little extra crunch, and bake for about 40 minutes.

blueberry baked oatmeal in teal pie plate sitting on cream towel

Serving Suggestions

You can serve this oatmeal immediately and portion into bowls, adding toppings like:

  • cashew butter, almond butter or peanut butter
  • toasted coconut flakes
  • nuts like walnuts, sliced almonds, pecans or cashews
  • choice of yogurt or whipped coconut cream

If you’d like to serve baked oatmeal as bars, allow the pan to cool for about 20 minutes (chill in the fridge to speed things up) then slice and serve.

bag of bob's red mill rolled oats next to turquoise pie plate and gray plate of baked oatmeal square

Storing Leftovers

Store any leftover baked oatmeal in the fridge, and enjoy within 3-4 days for best flavor.

To freeze, place completely cooled oatmeal in an airtight container and freeze up to three months.

Reheating

To reheat, allow the frozen baked oatmeal to thaw in the fridge overnight. Then you can reheat the (thawed) oatmeal in the toaster oven at 350ºF for about 10 minutes. 

It can also be reheated in the microwave, for about 20 seconds.

square of blueberry baked oatmeal on small plate with tiny fork

More Oatmeal Recipes to Enjoy:

  • Strawberry Baked Oatmeal
  • Mocha Overnight Oats
  • Banana Baked Oatmeal (3 Ways)
  • Steel Cut Overnight Oats

Let me know if you make this recipe by leaving a comment and rating below! It helps others learn more about the recipe too! Xx Ashley

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Blueberry Baked Oatmeal

blueberry baked oatmeal in teal pie plate sitting on cream towel
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★★★★★

5 from 1 reviews

This Blueberry Baked Oatmeal is the perfect healthy breakfast recipe! It’s great for weekend baking and meal prep – leftovers reheat well all week long. Made with organic gluten free rolled oats, lightly sweetened with maple syrup, bursting with blueberries. 

  • Author: Ashley
  • Prep Time: 5 minutes
  • Cook Time: 35 minutes
  • Total Time: 40 minutes
  • Yield: 8 servings 1x
  • Category: breakfast
  • Method: oven
  • Cuisine: American Breakfast
  • Diet: Gluten Free

Ingredients

Scale
  • 2 large eggs
  • 2 tablespoons avocado oil (or melted cooled coconut oil, or light olive oil)
  • 1/4 cup pure maple syrup
  • 1.5 cups milk of choice (i.e. almond, cashew, dairy)
  • 1 teaspoon vanilla extract
  • 2.25 cups Bob’s Red Mill gluten free old-fashioned rolled oats
  • 1 teaspoon baking powder
  • 1/4 teaspoon fine sea salt
  • 1/4 teaspoon cinnamon (use more if you’d like)
  • 1 pint blueberries
  • top with walnuts, optional

Instructions

  1. Preheat oven to 375ºF and grease 9×9 baking dish (or similar size).
  2. Whisk Wet Ingredients: In large bowl whisk together eggs, oil, maple syrup, vanilla extract and milk.
  3. Add Dry Ingredients: Add in rolled oats, baking powder, salt and cinnamon.
  4. Gently fold in blueberries and transfer to prepared baking dish. Top with walnuts if you’d like.
  5. Bake for 35-40 minutes or, until top is golden and middle is set. You can serve immediately bowl style, or wait about 20 minutes to serve as squares.
  6. Serve blueberry baked oatmeal with your favorite toppings, a little extra maple syrup or honey and enjoy!

Notes

In these photos I used a 9″ pie plate and my baking time was 35 minutes. If you use a slightly larger dish, watch baking time after 25-30 minutes.

You can use 2 flaxseed eggs <– recipe linked, to make this recipe vegan. And increase the baking powder to 1.5 teaspoons. Or if you can tolerate bananas, I recommend this recipe.

You can also sub the oil with peanut butter, almond butter or cashew butter if you’d like. 

If using frozen blueberries, you may need to increase the baking time by a few minutes.

Nutrition

  • Serving Size: 1/9
  • Calories: 275
  • Sugar: 9 g
  • Sodium: 228 mg
  • Fat: 8 g
  • Saturated Fat: 1 g
  • Unsaturated Fat: 2 g
  • Carbohydrates: 42 g
  • Fiber: 6 g
  • Protein: 9 g
  • Cholesterol: 41 mg

Keywords: baked oatmeal recipe, blueberry oatmeal, healthy baked oatmeal

Did you make this recipe?

Tag @fitmittenkitchen on Instagram and hashtag it #fitmittenkitchen

About Ashley

"Ashley Walterhouse is the founder of Fit Mitten Kitchen, based in the Greater Lansing Area of Michigan, AKA “the Mitten.” Ashley grew up as a picky eater but later discovered that eating healthy was actually easy and fun. She started FMK in 2015 as a way to share her newfound love of developing healthier recipes for all to enjoy."

charcuterie board of cookies, pretzels, graham crackers, banana slices, raspberries, blueberries and strawberries with healthy chocolate fruit dip
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Reader Interactions

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  1. Yvette says

    6/26/2021 at 8:58 am

    I LOVE YOUR RECIPE! I’m diabetic so I used Lakanto brand maple syrup which is sweetened with monk fruit. I also added Teff (gluten free grains 1-3 tablespoons, and chunks of apples… baby… if this lasts three day God Bless you… DELICIOUS 🥰

    Reply
  2. Stephanie S. says

    1/31/2022 at 8:16 pm

    This recipe made my week so much easier! Being able to start my day with an easy, healthy, delicious breakfast was awesome. I’m looking forward to trying the other variations!

    ★★★★★

    Reply
  3. Emily Pearson says

    9/13/2022 at 8:18 am

    This is great for kids school breakfast for a week. And can always change up the fruit.

    Reply

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