Cozy Banana Blueberry Baked Oatmeal for Easy Mornings

There’s something magical about waking up to the smell of banana and blueberry baking in the oven.
It’s nostalgic and warm in a way that feels like a Sunday morning wrapped in a blanket. For me, banana blueberry baked oatmeal is more than just a wholesome breakfast — it’s a little ritual. One that says, “Hey, slow down. There’s no rush today.”

I started baking oatmeal on weekends when I realized my mornings were getting way too chaotic. I was grabbing anything I could on the go, and let’s be real — a cold granola bar just doesn’t hit the same as something homemade and still warm from the oven.

So, I pulled out some ripe bananas, a handful of blueberries I had frozen from the summer, and a big scoop of oats — and this recipe was born. It’s cozy, filling, not overly sweet, and feels like comfort in a bowl. And the best part? You can make it ahead and eat it all week. Which means more time for coffee and less time scrambling before work.

Cozy Banana Blueberry Baked Oatmeal for Easy Mornings

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Print Recipe

This cozy banana blueberry baked oatmeal is the ultimate make-ahead breakfast. Naturally sweet from ripe bananas and bursting with juicy blueberries, it’s soft, hearty, and wholesome. Perfect for busy mornings or lazy brunches, this easy baked oatmeal is packed with fiber and flavor — and it’s ready in under an hour.

• Total Time: 45 minutes
• Yield: 6 servings 1x

Ingredients

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• 2 ripe bananas, mashed

• 2 cups old-fashioned rolled oats

• 1 teaspoon baking powder

• 1 teaspoon cinnamon

• 1/4 teaspoon salt

• 1 ½ cups milk (dairy or non-dairy)

• 1/4 cup maple syrup or honey

• 1 large egg

• 1 teaspoon vanilla extract

• 1 cup blueberries (fresh or frozen)

• Optional: 1 tablespoon melted butter or coconut oil (for richness)

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Instructions

• Preheat oven to 350°F (175°C) and lightly grease an 8×8-inch baking dish.

• In a large bowl, mash the bananas. Whisk in milk, maple syrup, egg, and vanilla.

• Stir in oats, baking powder, cinnamon, and salt until fully combined.

• Gently fold in the blueberries.

• Pour the mixture into the prepared dish and smooth the top.

• Bake for 35–40 minutes or until the top is golden and the center is set.

• Let cool for 10–15 minutes before slicing. Serve warm or chilled.

Notes

• You can swap maple syrup with honey or leave it out if your bananas are very ripe.

• Use frozen blueberries straight from the freezer — no need to thaw.

• Store leftovers in the fridge for up to 5 days, or freeze slices individually.

• Author: Sarah
• Prep Time: 10 minutes
• Cook Time: 35 minutes
• Category: Breakfast
• Method: Baking
• Cuisine: American
• Diet: Vegetarian

Nutrition

• Serving Size: 1 slice (1/6 of 8x8 dish)
• Calories: 220 kcal
• Sugar: 10g
• Sodium: 150mg
• Fat: 6g
• Saturated Fat: 2g
• Unsaturated Fat: 3.5g
• Trans Fat: 0g
• Carbohydrates: 35g
• Fiber: 4g
• Protein: 6g
• Cholesterol: 35mg

Why You’ll Love This Banana Blueberry Baked Oatmeal

This isn’t just another “healthy breakfast” that checks a box. This baked oatmeal is soft in the middle, golden on top, and bursting with juicy blueberries in every bite. The bananas add a natural sweetness and richness, so you don’t need much sugar. It’s made with pantry staples, comes together in one bowl, and you can eat it warm, cold, or reheated.

Whether you’re feeding a family or just yourself, this is the kind of recipe that makes mornings feel a little less rushed and a lot more nourishing.

The Secret to Great Banana Blueberry Baked Oatmeal

The real key? Mashed ripe bananas.
You want those spotty, borderline-too-soft bananas because they do double duty: they add sweetness and act as a natural binder. No need for lots of added sugar or oil. Just let the bananas carry the flavor.

I also always use old-fashioned rolled oats — not quick oats. Rolled oats hold their texture better and give the bake a more satisfying, hearty feel. And if you can, use wild blueberries. They’re smaller, sweeter, and distribute perfectly without sinking.

Finally, don’t skip the cinnamon. It adds warmth that ties the bananas and blueberries together like a cozy flavor hug.

Pro Tips to Nail It Every Time

1. Don’t overmix — Just fold everything together gently. Overmixing can make it dense instead of tender.
2. Rest before slicing — Let it cool at least 10–15 minutes before serving. It’ll set better and slice more cleanly.
3. Meal prep magic — Make a double batch, slice into squares, and store in the fridge or freezer. It reheats beautifully.
4. Serve with toppings — A splash of milk, a spoonful of yogurt, or a drizzle of nut butter on top makes it next level.

Fun Variations to Try

• Peach Pecan Version: Swap the blueberries for diced peaches and toss in some chopped pecans. So good in late summer.
• Chocolate Chip Banana Oatmeal Bake: Replace blueberries with dark chocolate chips for a more indulgent treat. Kids go crazy for it.
• Apple Cinnamon Twist: Sub in shredded apple and add a pinch of nutmeg. Cozy fall vibes in every bite.

If you love the combo of blueberries and cozy flavors, check out our Lemon Blueberry Yogurt Scones — they’re soft, tangy, and pair perfectly with a weekend brunch

Final Thoughts

There’s something deeply satisfying about a warm slice of banana blueberry baked oatmeal — it’s the kind of food that makes you feel taken care of. It’s not fancy, but it’s full of love. Whether you’re making it for a busy weekday or a slow weekend brunch, this baked oatmeal is always the right move.

If you’re someone who skips breakfast because mornings feel too rushed or too stressful, I promise this one will change the game. It’s easy, forgiving, endlessly customizable, and most importantly, it tastes like something you want to eat, not something you should.

For another blueberry treat with a buttery crunch, you might love these Blueberry Pie Bars with Oatmeal Crumble – Buttery, Fruity, and Easy to Bake.

And once you smell it baking? You’ll be hooked.