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    Home > Recipes > Breakfast > Oatmeal Recipes

    Blueberry Baked Oatmeal

    Published: Mar 24, 2023 · Updated: Mar 24, 2025 · by Veronika Sykorova · This post may contain affiliate links · 1 Comment

    208 shares
    Jump to Recipe·Print Recipe·5 from 1 review
    A slice of blueberry baked oatmeal in a white bowl with black rim garnished with berries and almond butter.
    A slice of blueberry baked oatmeal in a white bowl with black rim garnished with berries and almond butter.
    A slice of blueberry baked oatmeal in a white bowl with black rim garnished with berries and almond butter.

    This Blueberry Baked Oatmeal is like having cake for breakfast! It's super easy to make, filling, and perfect for mornings when you're craving something a little more decadent. It's also perfect for meal prep because it keeps well in the fridge and it's freezer-friendly!

    A slice of blueberry baked oatmeal in a white bowl with black rim garnished with berries and almond butter.
    Jump to:
    • Why You'll Love These Blueberry Baked Oats
    • Ingredients
    • Variations and Substitutions
    • Step-by-Step Instructions
    • Tips & Tricks!
    • Serving Suggestions
    • Storing and Reheating
    • FAQs
    • More Blueberry Recipes
    • 📖 Recipe

    Why You'll Love These Blueberry Baked Oats

    Great to make ahead - This baked oatmeal lasts in the fridge for 3-4 days so you can make it ahead and just reheat a serving in the oven every morning. If you only want to cook a smaller batch, I recommend this Single Serving Baked Oatmeal.

    Sweet and flavorful - Blueberries give this oatmeal flavor, sweetness, and a beautiful purple color. The flavors are really simple but so delicious. The oatmeal pairs well with yogurt, nut butter, berries, or even ice cream if served as a dessert!

    Versatile - If you don't have blueberries, you can use other berries or a mix. Check out this Mixed Berry Baked Oatmeal, it's my all-time favorite sweet make-ahead breakfast. If you're all out of berries, this Peach Baked Oatmeal is also amazing! You can follow this recipe and change up the fruit and spices to whatever you have or are craving.

    Close up of baked blueberry oatmeal cut into six slices.

    Ingredients

    • Rolled oats - Use certified gluten-free oats if needed. Regular old-fashioned oats are the best for this recipe. Quick-cooking oats will yield a much denser texture and steel-cut oats wouldn't cook properly.
    • Eggs - Eggs help bind everything together and make the texture more cake-like. I haven't tried any vegan replacements so I can't guarantee results.
    • Almond milk - To keep the recipe dairy-free, I opted for almond milk but you can use any regular or non-dairy milk you prefer. I don't recommend using canned coconut milk because it's too thick. You can use boxed coconut milk instead.
    • Blueberries - I used frozen wild blueberries but regular blueberries work just as well. You can use fresh or frozen berries.
    • Raspberries - This is optional but they add a nice tang and balance out the sweetness of the maple syrup and blueberries.
    • Flavorings - Vanilla extract, cinnamon, and cardamom give this oatmeal all the flavor it needs.
    Ingredients for blueberry baked oatmeal like berries, oats, milk, and eggs on a stone background.

    Variations and Substitutions

    • More berries - I like adding raspberries to the oatmeal but this is optional. You can also try my Mixed Berry Baked Oatmeal which also has strawberries!
    • More spices - The oatmeal has cinnamon and cardamom but you could add other spices like ground ginger, nutmeg, or allspice as well to add more flavor.

    Step-by-Step Instructions

    1. Start by preheating your oven to 375F and prepare a 12x8-inch baking dish.
    2. In a medium bowl, mix together the oats, cinnamon, cardamom, and baking powder. Set that aside while you prep the rest of the batter.
    A glass bowl with oats, spices, and baking powder before and after mixing.
    1. In a large mixing bowl, whisk together eggs, almond butter, maple syrup, and vanilla extract until smooth.
    2. Add almond milk and whisk again briefly to mix.
    3. Add the dry ingredients you mixed earlier into the wet ingredients and stir everything together until well mixed. I like to switch to a spoon here because it's easier than a whisk.
    4. Add blueberries and raspberries and stir again to incorporate.
    A collage of six photos showing how to make the batter for blueberry baked oatmeal.

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    1. Pour the mixture into your prepared baking dish and top with more berries if desired.
    2. Sprinkle with turbinado sugar for extra sweetness and to help the oatmeal get a nice golden crust on top.
    3. Bake the oatmeal in the oven for 45-50 minutes. Slice into 6 squares and enjoy!
    Blueberry Baked Oatmeal in a glass baking dish before and after baking.

    Tips & Tricks!

    • Turbinado sugar - If you want the top of the oatmeal to be crunchy and caramelized, sprinkle the oatmeal with some turbinado sugar before you put it into the oven. It caramelizes but it doesn't melt completely which adds a nice crunch.
    • Grease your baking dish - While this is optional, I recommend greasing your baking dish with butter. You could use cooking spray

    Serving Suggestions

    You can serve the baked oats on their own or add your favorite toppings! Below are some of my favorites to give you inspiration.

    • Fresh or cooked fruit - I like adding fresh strawberries, blueberries, blackberries, bananas, stone fruit, or simmered frozen berries. You could also serve it with some caramelized bananas or these Caramelized Peaches!
    • Yogurt - Add a dollop of Greek yogurt or your favorite regular or dairy-free yogurt.
    • Nut butter or seed butter - Drizzle the oatmeal with almond butter or add a spoonful of peanut butter. It would also be delicious with this Homemade Nutella!
    • Serve it as a dessert - Cut the oatmeal into smaller squares and serve it with a dollop of vanilla ice cream and some whipped cream for dessert! You can even drizzle it with Homemade Chocolate Sauce!

    Storing and Reheating

    Refrigerator: Store any leftovers in an airtight container in the fridge for up to 3-4 days. Make sure the oatmeal has cooled completely before closing the container with a lid. If you're stacking the slices, I recommend adding parchment paper between each slice so they don't stick together.

    Freezer: Freeze individual portions in freezer bags or in a freezer-safe container with parchment paper in between layers to make sure they don't stick together. Freeze for 3-4 months.

    Reheating: You can eat the leftovers either cold straight from the fridge or warm them up in the oven. Preheat your oven to 300F (150F), transfer the oats to an oven-safe dish, and warm up for about 10 minutes or until warmed through.

    FAQs

    Can I make it vegan?

    Yes, just use flax egg instead of eggs, or skip them altogether and add more almond milk. I haven't tried these substitutions but the batter is very forgiving so it should work fine. Keep in mind the baked oatmeal won't have a cakey texture without the eggs.

    Are oats gluten-free?

    Yes, oats are naturally gluten-free but always choose certified gluten-free oats to be sure they are handled in a gluten-free facility.

    Can I freeze the leftovers?

    Yes, the texture won't be the exact same after defrosting but you can cut the oatmeal into servings and freeze them separately in freezer-safe containers. Reheat the oats in a preheated oven at 300F.

    A slice of blueberry baked oatmeal in a white bowl with black rim garnished with berries and almond butter.

    More Blueberry Recipes

    If you have a surplus of blueberries and want to try some other recipes, definitely give the four below a try! The waffles especially are my favorite! To see more oatmeal recipes, head over to the oatmeal category.

    • Blueberry Oatmeal
    • Banana Blueberry Waffles
    • Lemon Blueberry Pancakes
    • Lemon Blueberry Baked Oatmeal

    ⭐⭐⭐⭐⭐
    Have you tried this Blueberry Baked Oatmeal? Please leave a star rating and let me know how it went in the comments below!

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    📖 Recipe

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    A slice of blueberry baked oatmeal in a white bowl with black rim garnished with berries and almond butter.

    Blueberry Baked Oatmeal

    5 Stars 4 Stars 3 Stars 2 Stars 1 Star 5 from 1 review
    • Author: Veronika Sykorova
    • Prep Time: 10 mins
    • Cook Time: 50 mins
    • Total Time: 1 hour
    • Yield: 4-6 1x
    • Category: Breakfast
    • Method: Oven
    • Cuisine: American
    • Diet: Vegetarian
    Print Recipe
    Save Recipe Recipe Saved

    Description

    Start your morning right with this Blueberry Baked Oatmeal. It's packed with flavor, easy to make, and so delicious! Great for making ahead too!


    Ingredients

    Units Scale
    • 2 large eggs
    • ¼ cup maple syrup
    • ¼ cup almond butter
    • 1 tbsp vanilla extract
    • 2 tbsp avocado oil
    • ⅛ tsp sea salt
    • 2 cups almond milk (or other milk)
    • 2 cups rolled oats
    • 1 tsp baking powder
    • 1 tsp ground cinnamon
    • ¼-½ teaspoon ground cardamom
    • 2 ½ cup blueberries (fresh or frozen, I used wild blueberries)
    • 1 cup raspberries (optional, adds sweetness and tartness, and it makes the oatmeal less dense)
    • 3 tbsp turbinado sugar (optional)
    • For serving: nut butter, yogurt, maple syrup, fresh berries, hemp seeds, jam, etc.

    Instructions

    1. Preheat your oven to 375F. Prepare a 12x8” baking dish.
    2. In a large bowl whisk together eggs, maple syrup, almond butter, vanilla extract, avocado oil, and sea salt.
    3. Add almond milk and whisk to combine.
    4. In a separate bowl, stir together the oats, baking powder, cinnamon, and cardamom.
    5. Add the oat mixture to the wet ingredients and stir to combine well.
    6. Add in 2 cups of the blueberries, and the raspberries to the batter. Stir to combine.
    7. Pour the batter into your prepared baking dish. Sprinkle with the remaining ½ cup blueberries and more raspberries if desired.
    8. Sprinkle with turbinado sugar and bake in the preheated oven for 45-50 minutes until golden.
    9. Divide into 6 servings and serve with your favorite toppings.

    Notes

    Storing: Store any leftovers in an airtight container in the fridge for up to 2-3 days. You can also freeze the oatmeal in a freezer-safe container for 3-4 months. I recommend placing parchment paper in between the slices to avoid them getting stuck together.

    Reheating: Preheat your oven to 300F (150C) and reheat the baked oats on a baking sheet or in an oven-safe dish for approx. 10 minutes. If your oatmeal is frozen, I recommend defrosting it overnight first or keeping it in the oven for longer.

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    Did you make this recipe?

    Comment and rate the recipe below and tag @thehealthfulideas on Instagram with the hashtag #thehealthfulideas, I'd love to see what you made!

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    208 shares

    Comments

    1. Daniella says

      April 01, 2023 at 11:13 am

      Baked oatmeal is my favorite sweet breakfast and this one was delicious! Having this on hand and just warming it up in the morning saves so much time!

      Reply

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    I'm Veronika and The Healthful Ideas where I share original plant-based recipes for every day cooking and popular classics with a healthy twist.

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