Baked Blueberry Oatmeal is a nutritious filling breakfast/brunch for a crowd or for meal prepping. It's made with vegan ingredients and is highly adaptable!
If you’ve tried stovetop oatmeal and microwave oatmeal, it’s time to try baked oatmeal! This baked blueberry oatmeal is vegan, full of nutrients and perfect for a crowd. It’s a very versatile recipe that you can adapt based on the ingredients you have on hand and your taste preferences. Make a big batch as part of your meal prep and reheat individual portions for a few days.
What is baked oatmeal?
Baked oatmeal is basically oats cooked with milk and a few other kitchen pantry items in the oven. Baking the oatmeal creates a chewy soft casserole-like dish that’s full of breakfast goodness. It’s made by combining all the ingredients together and baking in the oven – a healthy, convenient meal that is highly adaptable and nutritious!
How to make baked blueberry oatmeal
Start with the dry ingredients in a bowl and stir to combine. That includes the old fashioned rolled oats, baking powder, salt, cinnamon and pecans. You can use other nuts instead of pecans, like walnuts or almonds.
Next, combine the milk, flaxseeds, maple syrup and melted coconut oil in a small bowl. Then pour the wet mixture over the dry ingredients and stir to combine.
Next, grease an oven-safe baking dish with coconut oil, place half the blueberries on the bottom of the dish, and then pour the oats batter on top. Sprinkle more blueberries on top before baking.
Now you’re ready to bake the oatmeal in the oven. It will take about 35-40 minutes, and you’ll know it’s done when the blueberries and oats soften, and the oats become golden in color. I divide the 8×11 baking dish into 6 servings, but it can easily serve 8 people.
Baked blueberry oatmeal swaps
This recipe is highly adaptable with many kitchen staples! Here are some ways to switch it up that work really well.
- Change the fruit: The blueberry can easily be swapped for other fruits like strawberries, apples or peaches. You can even do half blueberries and half bananas if you’d like. Also, if you only have frozen fruit, that works well, and there’s no need to thaw it in advance.
- Change the nuts: Instead of pecans, try it with walnuts, almonds, hazelnuts, pistachios or cashews. It’s a good idea to chop the nuts, so they blend well with the other ingredients.
- Change (omit) the sweetener: I only use a little maple syrup to offset the tartness of the blueberries, but you can swap it out for honey, agave syrup, brown sugar or stevia. If you’re using sweeter fruits like bananas or peaches, for example, you can leave out the sweetener all together.
Tips for making baked blueberry oatmeal
- Don’t use quick oats. Quick oats are chopped into finer pieces, which makes them faster to cook. Although they taste the same as rolled oats, the texture of quick oats is much finer, so they soak up more moisture and can dry out the baked oatmeal.
- Do not mix the oats with milk ahead of time. If you want to prep the recipe halfway before baking, you can mix the wet ingredients in one bowl and the dry ingredients in another bowl. Just don’t combine them until you’re ready to bake. Otherwise the oats will soak up all the liquid and yield a dry texture.
- Keep liquid ingredients at room temperature before combining. If the milk and maple syrup are cold, the melted coconut oil will solidify when it comes in contact with them. Having the ingredients at room temperature helps with the blending process. If the coconut oil still solidifies, just microwave the combined wet ingredients for 15-30 seconds until the coconut oil melts again.
- Double the recipe for a bigger crowd. If you double the recipe, use a large baking dish and just add 10 minutes to the baking time.
Frequently asked questions
Can I use frozen blueberries?
Yes, this baked blueberry oatmeal works really well with frozen blueberries. There’s no need to thaw the blueberries in advance. Doing so may turn the whole dish to a purple color as the thawed blueberries mix with the liquid.
How long can I store the baked oatmeal?
The oatmeal is great for meal prepping. Store it in an airtight container in the refrigerator for up to 5 days. Then you can reheat individuals portions in the microwave for 30-45 seconds before serving.
Can I freeze the baked oatmeal?
Yes, the baked oatmeal freezes really well. Allow it to cool completely, then store in individual portions in freezer-safe bags or containers. Reheat individual portions with a tablespoon of water or milk before serving.
This baked oatmeal is a perfect make-head breakfast that the whole family will enjoy. You can double the recipe for a larger crowd or for breakfast throughout the week. Leftovers taste just as good reheated and topped with a dollop of coconut yogurt and maple syrup. Baking oatmeal gives it a chewy soft texture that is so warm and satisfying in the morning!
For more oatmeal recipes:
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Blueberry Baked Oatmeal
- 2 cups blueberries divided, plus more for serving
- 2 cups old-fashioned oats
- ½ cup pecans roughly chopped
- 1 teaspoon ground cinnamon
- 1 teaspoon baking powder
- ½ teaspoon salt
- 2 cups almond milk
- ¼ cup maple syrup
- 2 tablespoons flaxseed
- 1 tablespoon coconut oil melted
- 2 teaspoons vanilla extract
- Preheat the oven to 375° F. Grease an 8x11 inch baking dish. Place 1 cup of the blueberries at the bottom of the baking dish.
- In a large bowl, combine the oats, pecans, cinnamon, baking powder, and salt. Transfer on top of the blueberries.
- In a small mixing bowl, combine the almond milk, maple syrup, flaxseed, melted coconut oil, and vanilla extract. Pour over the oat mixture and gently press down to make sure all the oats are covered with wet mixture. Sprinkle the remaining 1 cup blueberries on top.
- Bake uncovered in the preheated oven until the top of the oatmeal is golden and the mixture is set, about 35-40 minutes. Remove and allow it to cool for 5 minutes.
- Serve with coconut yogurt and maple syrup, if desired.
- Make it your own: You can change up the milk, the fruit and the nuts to adjust it to what you have on hand or your taste preferences.
- Make it gluten-free: Use certified gluten-free rolled oats.
- Make it sugar-free: Omit the maple syrup or used mashed or pureed fruit in the base recipe.