Baked Oatmeal Recipe

Baked Oatmeal is the kind of cozy breakfast that makes you feel like you’ve treated yourself, even on an ordinary morning. With its golden crust and soft, hearty center, this dish transforms humble pantry staples into something that feels truly special. Every spoonful offers warm notes of cinnamon, the natural sweetness of brown sugar, and the satisfying texture of oats—plus you can add your favorite fruits or nuts for even more personality. Whether you’re feeding a family or meal prepping for the week, this baked oatmeal is a fuss-free, nourishing way to start any day on a delicious note.

this Recipe

Ingredients You’ll Need

Gathering ingredients for baked oatmeal couldn’t be more straightforward, but each one is carefully chosen for a reason. The combination brings just the right amount of sweetness, comforting flavors, and the perfect balance between creamy and chewy textures. Let’s highlight why these pantry stars matter.

• Old-fashioned rolled oats: The signature base of baked oatmeal, these oats create a hearty, wholesome texture that holds everything together.
• Brown sugar: Adds rich, caramel-like sweetness and ensures a tender crumb without overpowering the other flavors.
• Baking powder: Gives the oatmeal lift and helps create those gorgeous golden edges.
• Cinnamon: Warms up every bite and delivers the classic spice that pairs so beautifully with oats and fruit.
• Salt: Just enough to balance the sweetness and make all the flavors pop.
• Milk: Creates a creamy backdrop and brings just the right amount of moisture; feel free to use regular or plant-based options.
• Large egg: Binds the oatmeal together and provides a bit of lift.
• Melted butter: Adds richness and helps brown the top perfectly; swap in coconut oil for a dairy-free version.
• Vanilla extract: Enhances the aroma and ups the comfort factor with its sweet floral notes.
• Chopped nuts or fruit (optional): Mix-ins like berries, apples, pecans, or walnuts add color, crunch, and a burst of flavor.

How to Make Baked Oatmeal

Step 1: Gather and Prep Your Ingredients

Start by grabbing everything you’ll need and giving your oven a head start by preheating it to 350°F (175°C). Melt your butter, chop any fruit or nuts you want to include, and grease an 8×8-inch baking dish. Having everything ready before you start mixing makes the whole process feel nearly effortless.

Step 2: Combine the Dry Ingredients

In a large bowl, stir together the rolled oats, brown sugar, baking powder, cinnamon, and salt. This step ensures that the baking powder and cinnamon will be evenly distributed so every bite of your baked oatmeal is perfectly flavored and rises evenly in the oven.

Step 3: Whisk the Wet Ingredients

In a separate bowl, whisk together the milk, egg, melted butter, and vanilla extract. Whisking helps incorporate the egg completely while blending the vanilla right into your creamy base—this is what will make your whole kitchen smell amazing once it hits the oven.

Step 4: Mix It All Together

Pour the wet ingredients into the bowl with your dry mix. Stir until everything is just combined and you don’t see any more pockets of dry oats. If you’re using any nuts or fruit, gently fold them into the batter at this stage to add extra bursts of flavor and texture.

Step 5: Bake to Perfection

Transfer the mixture to your prepared baking dish, spreading it out evenly to the edges. Pop it in the oven and bake for 35 to 40 minutes, until the top is set and turns a beautiful golden brown. This is your sign that it’s ready to come out and cool for just a few minutes before serving.

How to Serve Baked Oatmeal

Garnishes

The joys of garnishing baked oatmeal are endless. Try a dollop of Greek yogurt, a drizzle of honey or maple syrup, or a sprinkle of fresh berries right before serving. Chopped nuts or toasted coconut flakes also bring delightful crunch and color—all inviting finishing touches.

Side Dishes

Baked oatmeal is pretty satisfying on its own, but you can round out the meal with a side of fresh fruit salad or a lightly sweet smoothie. A mug of coffee or herbal tea pairs perfectly, making breakfast feel like an occasion every time.

Creative Ways to Present

For a fun twist, serve portions of your baked oatmeal in individual ramekins or mason jars for grab-and-go mornings. If you’re hosting brunch, offer a toppings bar with yogurt, nuts, and fruit so everyone can build their own personalized breakfast bowl.

Make Ahead and Storage

Storing Leftovers

Leftover baked oatmeal will keep beautifully for up to four days when stored in an airtight container in the refrigerator. Just allow it to cool completely first, then transfer to the container. Perfect for hassle-free breakfasts during busy weekdays.

Freezing

Yes, you can absolutely freeze baked oatmeal! Slice it into individual servings, wrap each square in plastic wrap or parchment, and store them in a freezer bag. They’ll keep for up to two months and are the ultimate breakfast lifesaver.

Reheating

To reheat, simply microwave a serving for 30 to 60 seconds or until heated through. If you prefer the oven, pop slices into a warm oven (about 325°F) for 10 minutes for a crispier edge. Add a splash of milk after heating to restore extra creaminess.

FAQs

Can I use quick oats instead of rolled oats?

You can, but quick oats will create a softer, more cake-like texture. For traditional baked oatmeal with a pleasing chewiness, old-fashioned rolled oats are best.

How do I make this baked oatmeal dairy-free?

It’s simple! Substitute almond milk (or any plant-based milk you like) for regular milk, and swap melted coconut oil or vegan butter in place of regular butter. The result is just as rich and delicious.

Can I double the recipe for a crowd?

Absolutely. Just double all the ingredients and bake in a 9×13-inch dish. You may need to add a few minutes to the baking time, so keep an eye on it and check for that signature golden brown top.

What are the best mix-ins for baked oatmeal?

Chopped apples, blueberries, dried cranberries, walnuts, or pecans are all fantastic. Feel free to experiment seasonally—with pumpkin puree in the fall or peaches in the summer, baked oatmeal is endlessly customizable.

Can I assemble this the night before and bake in the morning?

Definitely! Mix everything together, cover, and refrigerate overnight. In the morning, just give it a quick stir and bake as directed for fresh, warm baked oatmeal with zero morning effort.

Final Thoughts

If you’re ready to fall in love with your morning routine, baked oatmeal is a breakfast that truly delivers comfort, convenience, and so much flavor. Give it a try, play around with your favorite toppings, and let it become your new favorite way to greet the day!

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