When you need a breakfast that’s both nourishing and completely delicious, Blueberry Baked Oatmeal is the answer. Loaded with juicy blueberries and a gentle touch of cinnamon, this dish delivers a perfectly cozy start to your day. Its golden crust and warm, soft interior taste like a comforting hug, and it’s an absolute crowd-pleaser for brunches, busy mornings, or healthy snacking any time. Plus, the prep couldn’t be easier, and the leftovers are even better the next day!
Ingredients You’ll Need
You’ll be amazed at how just a handful of pantry staples and a scattering of blueberries can come together to make something this special. Each ingredient in Blueberry Baked Oatmeal plays an important role: from the oats that give it hearty texture, to the touch of spice and sweetness, to the milk and egg that hold it all together.
- Old-fashioned rolled oats: These provide the perfect chewy base and hold up beautifully to baking—steer clear of quick oats for the best texture.
- Light brown sugar: Adds a lovely caramel undertone and a gentle sweetness that isn’t overwhelming.
- Baking powder: The secret to a perfectly puffy, cake-like texture!
- Ground cinnamon: Warms up every bite and pairs so well with the blueberries.
- Salt: A little bit brightens up all the flavors and keeps the dish balanced.
- Milk (dairy or non-dairy): Feel free to use whatever you love—almond, oat, or classic whole milk all work beautifully here.
- Large egg: Helps bind everything together for slices you can lift and serve easily.
- Unsalted butter (melted): Richens things up and gives a lovely flavor (swap for coconut oil if you need dairy-free).
- Vanilla extract: Infuses the whole bake with a comforting, cozy aroma.
- Fresh or frozen blueberries: The star of the show! Either works—frozen blueberries can even go straight from the freezer into the mix.
- Chopped walnuts or pecans (optional): For a fun bit of crunch and a little nuttiness in every bite (totally optional but so tasty).
How to Make Blueberry Baked Oatmeal
Step 1: Prep Your Oven and Baking Dish
Start by preheating your oven to 350°F (175°C). While that’s heating, lightly grease an 8×8-inch or 9×9-inch baking dish with a bit of butter or nonstick spray. This ensures your baked oatmeal slides out easily, with those golden edges intact.
Step 2: Mix Dry Ingredients
In a large bowl, combine the rolled oats, brown sugar, baking powder, cinnamon, and salt. Stir everything together so the flavorings are evenly distributed throughout the oatmeal base; this guarantees every bite is just right.
Step 3: Whisk Wet Ingredients Separately
In another bowl, whisk together the milk, egg, melted butter, and vanilla extract until well combined. Mixing these separately first helps the egg and milk blend smoothly and keeps the butter from solidifying.
Step 4: Bring It All Together
Pour the wet mixture over your bowl of dry ingredients, then stir gently until everything is thoroughly mixed. You’ll see the oats swell just a bit as they soak up the goodness.
Step 5: Add Blueberries and Nuts
Now for the best part! Gently fold in those beautiful blueberries along with the chopped nuts if you’re using them. If you’re using frozen berries, no need to thaw—just toss them right in. Try not to overmix so the color doesn’t bleed too much.
Step 6: Bake
Pour the mixture into your prepared baking dish, spreading it out evenly. Bake for 35–40 minutes, or until the top is golden brown and the center feels just set when pressed gently. The scent will be irresistible!
Step 7: Cool Briefly and Serve
Let your blueberry baked oatmeal cool for a few minutes before serving. This helps it firm up enough to slice but still keeps it warm and inviting—perfect for enjoying right out of the oven.
How to Serve Blueberry Baked Oatmeal
Garnishes
I love finishing Blueberry Baked Oatmeal with a splash of milk or a dollop of creamy Greek yogurt. A light drizzle of maple syrup or a sprinkle of extra fresh blueberries makes it look as good as it tastes, adding a burst of freshness and color.
Side Dishes
This comforting bake is perfectly satisfying on its own, but you can round out your breakfast spread with crispy bacon, a fruit salad, or even some scrambled eggs for extra protein. It’s a wonderful anchor to any brunch table!
Creative Ways to Present
For a fun twist, you can scoop warm blueberry baked oatmeal into individual bowls or mugs, parfait-style, layered with yogurt and a crunch of granola. Or, cut it into tidy squares and serve like breakfast bars—great for meal prep or grab-and-go mornings.
Make Ahead and Storage
Storing Leftovers
Leftover Blueberry Baked Oatmeal keeps like a dream in the fridge. Simply cover the baking dish or transfer slices to an airtight container, and it’ll stay fresh for up to four days. The flavors deepen overnight, making it a treat for busy weekday breakfasts.
Freezing
If you’d like to stash some away for later, freeze cooled slices wrapped in wax paper and placed in a zip-top bag or freezer-safe container. Blueberry baked oatmeal will hold up well for up to three months this way—just label with the date for easy organizing.
Reheating
To reheat, simply microwave slices for about a minute until warmed through, or pop foil-wrapped squares in a 300°F oven for 10–15 minutes. Add a splash of milk if you like it extra moist and creamy!
FAQs
Can I use steel-cut oats instead of rolled oats?
Steel-cut oats need much more liquid and baking time than rolled oats, so they aren’t a straight substitute here. Stick to old-fashioned rolled oats for the best texture and easiest results.
Can I make Blueberry Baked Oatmeal vegan?
Absolutely! Use your favorite non-dairy milk, swap melted coconut oil for butter, and replace the egg with a flax egg (1 tablespoon ground flaxseed mixed with 3 tablespoons water). It turns out just as hearty and delicious.
Can I use other berries or fruits?
Definitely! Try raspberries, blackberries, or chopped strawberries for a fun change, or mix in a handful of diced apple or banana. The basic recipe is a perfect blueprint for all sorts of fruity experiments.
Why do I need to mix wet and dry ingredients separately?
Mixing them separately helps the egg and milk combine smoothly without accidentally scrambling the egg, and it ensures your dry mix is perfectly even before adding the liquids. This step is key to uniform texture in every bite.
Can I serve Blueberry Baked Oatmeal cold?
Yes! Blueberry baked oatmeal tastes fantastic chilled as a portable breakfast on hot days, or you can grab a square straight from the fridge for a wholesome snack any time you crave it.
Final Thoughts
There’s just something magical about Blueberry Baked Oatmeal—it’s warm, comforting, and packed with flavor, all wrapped up in an easy-to-make package. If you’re looking for a better way to start your morning, give this recipe a try and watch it become a regular part of your breakfast rotation. Happy baking!
Print
Blueberry Baked Oatmeal Recipe
- Total Time: 50 minutes
- Yield: 6 servings 1x
- Diet: Vegetarian
Description
This Blueberry Baked Oatmeal is a wholesome and delicious breakfast option that can be made ahead of time. Loaded with fresh blueberries and nuts, it’s a satisfying way to start your day.
Ingredients
Dry Ingredients:
- 2 cups old-fashioned rolled oats
- 1/3 cup light brown sugar
- 1 teaspoon baking powder
- 1/2 teaspoon ground cinnamon
- 1/4 teaspoon salt
Wet Ingredients:
- 1 3/4 cups milk (dairy or non-dairy)
- 1 large egg
- 3 tablespoons unsalted butter, melted
- 2 teaspoons vanilla extract
Mix-ins:
- 1 1/2 cups fresh or frozen blueberries
- 1/2 cup chopped walnuts or pecans (optional)
Instructions
- Preheat the Oven: Preheat the oven to 350°F (175°C) and lightly grease an 8×8-inch or 9×9-inch baking dish.
- Prepare the Oat Mixture: In a large bowl, combine oats, brown sugar, baking powder, cinnamon, and salt.
- Mix Wet Ingredients: In another bowl, whisk together milk, egg, melted butter, and vanilla extract. Pour this mixture into the dry ingredients and stir until well combined.
- Add Blueberries and Nuts: Gently fold in the blueberries and nuts if using.
- Bake: Pour the mixture into the prepared baking dish, spread it evenly, and bake for 35-40 minutes until the top is golden brown and the oatmeal is set.
- Serve: Let it cool slightly before serving. Enjoy warm with a splash of milk, yogurt, or maple syrup.
Notes
- Serve warm with milk, yogurt, or maple syrup.
- Leftovers can be stored in the refrigerator for up to 4 days and reheated in the microwave.
- Prep Time: 10 minutes
- Cook Time: 40 minutes
- Category: Breakfast
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 square
- Calories: 250
- Sugar: 11g
- Sodium: 140mg
- Fat: 9g
- Saturated Fat: 4g
- Unsaturated Fat: 4g
- Trans Fat: 0g
- Carbohydrates: 36g
- Fiber: 4g
- Protein: 7g
- Cholesterol: 50mg
