If you are craving a wholesome treat that feels like a warm hug first thing in the morning, this Blueberry Baked Oatmeal Recipe is just what you need. It combines hearty oats, juicy blueberries, and a touch of sweetness in a comforting, easy-to-make casserole format that is perfect for busy mornings or leisurely weekend breakfasts. The blend of cinnamon and vanilla adds a fragrant invitation to dig in, while the crispy edges and tender baked oats create a texture that will make this dish a staple in your kitchen. Whether you make it ahead or bake it fresh, this Blueberry Baked Oatmeal Recipe is bursting with flavor and nourishing goodness from start to finish.
Ingredients You’ll Need
These simple ingredients come together to create layers of flavor, texture, and color that make this dish irresistible. Each item plays an important role in building this perfect Blueberry Baked Oatmeal Recipe.
- 2 cups old fashioned oats: The hearty base that gives the dish its signature chewy texture and satisfying bite.
- 3/4 cup milk: Adds creaminess and helps bind the oats with the other ingredients.
- 1 cup unsweetened applesauce: Keeps things moist while adding natural sweetness without overpowering the blueberries.
- 1/4 cup chopped walnuts (or pecans or sliced almonds): Adds a lovely crunch and a nutty depth, plus some extra protein.
- 2 large eggs: These provide the structure and help everything stay together, but can be substituted with flax or chia eggs if needed.
- 1/4 cup maple syrup (or brown sugar): A touch of natural sweetness that enhances all the other flavors.
- 2 teaspoons pure vanilla extract: Gives a warm, aromatic boost that pairs so well with cinnamon and berries.
- 1 1/2 teaspoons cinnamon: The spice that warms the dish and complements the blueberries beautifully.
- 1/2 teaspoon baking powder: Helps the baked oatmeal rise slightly for a tender finish.
- 1/4 teaspoon salt: Balances sweetness and heightens the overall flavor profile.
- 2 cups blueberries (fresh or frozen): The star ingredient that delivers pops of juicy sweetness and gorgeous color throughout.
How to Make Blueberry Baked Oatmeal Recipe
Step 1: Mix the Ingredients
Start by adding the oats, milk, applesauce, chopped nuts, eggs, maple syrup, vanilla extract, cinnamon, baking powder, and salt into a large bowl. Give everything a thorough stir until it all comes together in a thick, homogenous mixture. This step is all about combining flavors and ensuring the oats get evenly coated for the best texture once baked.
Step 2: Layer in a Casserole Dish
Next, lightly grease a 7×11 inch rectangular baking dish to prevent sticking. Spread half of the oat mixture evenly across the bottom. Then sprinkle about three quarters of your blueberries on top. Carefully layer the remaining oat mixture over the berries, smoothing the surface with a spatula. Finish by scattering the remaining blueberries over the top. If you love a bit more crunch and nuttiness, feel free to sprinkle some extra walnuts over the surface before baking.
Step 3: Chill the Dish
Cover the casserole dish tightly and refrigerate overnight. Letting the oats soak up the liquids and flavors while chilling really develops the texture and taste. If you’re short on time, you can bake it immediately but the chilling step is our secret weapon for trusting the best possible Blueberry Baked Oatmeal Recipe experience.
Step 4: Bake the Dish
When you’re ready, preheat your oven to 350°F. Take the chilled dish out of the fridge and pop it in the oven. Bake for about 30 to 35 minutes until the top is golden and the oat mixture is set. Let it rest for 5 minutes on a wire rack before slicing so that each portion holds together nicely. Serve warm for a cozy and comforting breakfast or snack.
How to Serve Blueberry Baked Oatmeal Recipe
Garnishes
Fresh garnishes take this Blueberry Baked Oatmeal Recipe up a notch. Try a dollop of Greek yogurt or a drizzle of extra maple syrup for added creaminess and sweetness. Fresh mint leaves or a sprinkle of cinnamon add a lovely visual touch and a burst of fresh flavor that complements the blueberries beautifully.
Side Dishes
Pair your oatmeal with vibrant sides like sliced fresh fruit or a small green smoothie. Crispy bacon or sausage can also be delightful if you like a savory element alongside the sweet, making your breakfast both well-rounded and satisfying.
Creative Ways to Present
To impress your guests, serve the baked oatmeal in individual ramekins for single portions, then top with more fresh berries and a sprinkle of nuts. For a brunch spread, offer a toppings bar with options like shredded coconut, nut butters, and seeds so everyone can customize their bowls. This adds an interactive, fun twist to your Blueberry Baked Oatmeal Recipe.
Make Ahead and Storage
Storing Leftovers
Once cooled completely, leftover Blueberry Baked Oatmeal Recipe keeps nicely in an airtight container in the refrigerator for up to 4 days. It maintains both flavor and texture well, making it a convenient breakfast or snack option throughout the week.
Freezing
If you want to save portions for later, this recipe freezes beautifully. Cut into individual squares, wrap tightly in plastic wrap or foil, and store in a freezer-safe bag. Frozen oatmeal squares can last up to 2 months, perfect for quick breakfasts on busy mornings.
Reheating
To reheat, simply microwave a piece for about 60 seconds or warm it in a preheated oven at 350°F until heated through. Adding a splash of milk or a spoonful of yogurt on top helps revive that fresh-baked moisture and flavor.
FAQs
Can I use frozen blueberries in this Blueberry Baked Oatmeal Recipe?
Absolutely! Frozen blueberries work great and you don’t need to thaw them beforehand. Just sprinkle them in as directed, and they will burst during baking, infusing the oats with their natural juices.
Is there a vegan option for this recipe?
Yes, you can swap the eggs for flax or chia eggs (1 tablespoon ground flaxseed or chia seeds mixed with 3 tablespoons water per egg). Also, use plant-based milk to keep it fully vegan. The baked oatmeal will still turn out delicious and satisfying.
Can I add other fruits besides blueberries?
Definitely! This recipe is versatile. Try mixing in chopped apples, raspberries, or even diced peaches for a seasonal twist. Just adjust the quantity so the oatmeal balance stays consistent.
How do I prevent the nuts from getting soggy?
Adding the nuts on top toward the end of layering helps keep them crunchy after baking. You can even toast them lightly before adding to bring out more flavor and texture contrast.
Can I make this recipe gluten-free?
Yes, simply use certified gluten-free oats. This makes the Blueberry Baked Oatmeal Recipe safe for those with gluten sensitivities while maintaining its wonderful chew and flavor.
Final Thoughts
This Blueberry Baked Oatmeal Recipe quickly became one of my favorite ways to start the day, and I know it’ll do the same for you. It’s approachable, nourishing, and downright delicious. I encourage you to gather those simple ingredients and try baking this comforting dish—it’s a cozy, crowd-pleasing breakfast that feels homemade with love every time.
Print
Blueberry Baked Oatmeal Recipe
- Prep Time: 10 minutes
- Cook Time: 30 minutes
- Total Time: 40 minutes (excluding overnight chilling)
- Yield: 6 servings
- Category: Breakfast
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Description
This Blueberry Baked Oatmeal is a wholesome and delicious breakfast casserole featuring old fashioned oats, fresh blueberries, and warm spices. Perfect for a make-ahead meal, it can be prepared the night before and baked in the morning for a comforting, healthy start to your day. The baked oatmeal combines the nutty crunch of walnuts with the natural sweetness of maple syrup and applesauce, making it a crowd-pleasing treat that’s both nutritious and easy to prepare.
Ingredients
Main Ingredients
- 2 cups old fashioned oats
- 3/4 cup milk
- 1 cup unsweetened applesauce
- 1/4 cup chopped walnuts (OR pecans OR sliced almonds)
- 2 large eggs (see notes for substitute)
- 1/4 cup maple syrup (OR brown sugar)
- 2 teaspoons pure vanilla extract
- 1 1/2 teaspoons cinnamon
- ½ teaspoon baking powder
- 1/4 teaspoon salt
- 2 cups blueberries (fresh or frozen)
Instructions
- Mix the ingredients: In a large bowl, combine the old fashioned oats, milk, unsweetened applesauce, chopped walnuts, eggs, maple syrup, vanilla extract, cinnamon, baking powder, and salt. Stir everything together thoroughly until all ingredients are evenly incorporated.
- Layer in a casserole dish: Lightly grease a 7×11 inch rectangular baking dish. Spread half of the oat mixture evenly across the bottom of the dish. Sprinkle approximately three-quarters of the blueberries over the oat layer. Carefully spread the remaining oat mixture on top, smoothing it evenly, then sprinkle the remaining blueberries on top. Optionally, sprinkle extra walnuts for added crunch.
- Chill the dish: Cover the baking dish with a lid or plastic wrap and place it in the refrigerator overnight to allow the oats to soak and flavors to meld. If baking immediately, you can skip this chilling step.
- Bake the dish: When ready to bake, preheat your oven to 350°F (175°C). Remove the dish from the refrigerator and bake uncovered for about 30 to 35 minutes, or until the oatmeal is set and the top is golden brown. Remove from oven and let it rest on a wire rack for 5 minutes before slicing and serving warm.
Notes
- You can substitute the eggs with a vegan alternative like flax eggs if desired.
- If in a hurry, you can bake the oatmeal immediately without chilling; just keep in mind the texture might be slightly different.
- Use fresh or frozen blueberries based on availability; either works well.
- Optional: Add extra chopped nuts on top for added texture and flavor.
