Name: Blueberry Maple Baked Oatmeal
Prep time: 5 min
Cook time: 40 min
Total time: 45 min
Yield: 6 servings
Cuisine: American
Ingredients: 2 cup old fashioned oats; 2 tsp ground cinnamon; 1 tsp baking powder; 0.5 tsp salt; 2 cup unsweetened vanilla almond milk; 0.333 cup pure maple syrup; 4 tbsp unsalted butter (melted and cooled to room temperature); 1 large egg; 1.5 tsp vanilla extract; 1.5 cup blueberries (divided); 0.5 cup chopped candied pecans, pecans, or almonds (if desired)

This blueberry maple baked oatmeal is sweetened with pure maple syrup and packed with juicy blueberries. A healthy, filling breakfast you can make ahead and reh

A Weekly Breakfast Favorite with Blueberries and Maple

I make a batch of blueberry maple baked oatmeal almost every week during the colder months. It’s the kind of breakfast that fills the house with the smell of cinnamon and maple, and it keeps me going until lunch without any mid-morning hunger. This version combines juicy blueberries with pure maple syrup for a sweetness that feels indulgent but is actually pretty wholesome.

Why You’ll Love This Easy Baked Oatmeal

The combination of maple syrup and blueberries gives a natural sweetness, so you don’t need much added sugar.
Old-fashioned oats bake up tender but still have a bit of chew, and the nuts on top add a satisfying crunch.
It comes together in one bowl. It bakes while you get ready, so you don’t have to stand over the stove.

Key Ingredients for Blueberry Maple Baked Oatmeal

Old-fashioned oats, the backbone of this recipe. They provide a chewy, hearty texture. Quick oats or instant oats won’t give the same result and can turn the oatmeal mushy.
Pure maple syrup, use real maple syrup, not pancake syrup. It adds a distinct, not-too-sweet flavor. You can substitute honey or agave if needed, but the taste will change.
Blueberries, fresh or frozen both work. No need to thaw frozen berries. If you use frozen, the bake time may need a minute or two extra.
Nuts, candied pecans add sweetness and crunch, but plain pecans, almonds, or walnuts are also great. You can leave them out for a nut-free version.

Kitchen Tools for Baked Oatmeal

8×8-inch square baking dish (glass or metal both work)
Large mixing bowl for dry ingredients
Medium mixing bowl for wet ingredients
Whisk for combining

Tips for the Best Blueberry Maple Baked Oatmeal

For the best texture, stick with old-fashioned oats. Quick oats will turn mushy. Both fresh and frozen blueberries work well; if using frozen, you don’t need to thaw them first. Top with whatever nuts you like. Candied pecans add an extra layer of sweetness and crunch. Let the oatmeal rest for 5 minutes after baking so it sets up nicely before slicing. Bake until the top is golden and the center is set, about 40 minutes. Check a few minutes early if your oven runs hot to keep it from drying out.

Expert Tips for Perfect Baked Oatmeal

Mixing the dry ingredients first ensures the cinnamon and baking powder are evenly distributed, so every bite has consistent flavor and rise. The melted butter adds richness without the fuss of cutting in cold butter. The egg helps bind the oats so the baked oatmeal holds together when sliced. When you fold in the blueberries, do it gently to prevent them from breaking and turning the batter purple.

Blueberry Maple Baked Oatmeal Variations to Try

You can easily change up the fruit. Raspberries, chopped strawberries, or a mix of berries all work in place of blueberries. To make it dairy-free, swap the butter for coconut oil and use any plant-based milk (the recipe already uses almond milk). If you want a different nut topping, try walnuts or sliced almonds. For a nut-free version, simply omit the nuts or use sunflower seeds for crunch. You can also add a tablespoon of flaxseed meal for extra fiber.

How to Serve Blueberry Maple Baked Oatmeal

Serve the baked oatmeal warm, straight from the dish. A splash of cold milk or a dollop of Greek yogurt makes it even creamier. For a sweeter finish, drizzle a little extra maple syrup on top. It also pairs nicely with a side of scrambled eggs or turkey sausage for a more filling breakfast.

How to Store Leftover Baked Oatmeal

Store any leftovers in an airtight container in the refrigerator. The oatmeal will keep for up to 5 days. It firms up as it chills, so you can cut it into squares for easy grab-and-go breakfasts.

Can You Freeze Baked Oatmeal?

This baked oatmeal freezes beautifully. Let it cool completely, then cut into individual portions. Wrap each piece tightly in plastic wrap and place them in a freezer bag. They’ll keep for up to 3 months. To serve, thaw overnight in the refrigerator and reheat using either method above.

Best Ways to Reheat Baked Oatmeal

To reheat, microwave individual portions on high for about 1 minute. If you prefer a crisper top, warm them in a 350°F oven for 10 minutes. If the oatmeal seems dry, add a splash of milk before reheating to restore moisture.

Blueberry Maple Baked Oatmeal FAQs

Can I use quick oats instead of old-fashioned oats?

No, quick oats will absorb too much liquid and become mushy. Stick with old-fashioned rolled oats for the best texture.

Can I use frozen blueberries?

Yes, frozen blueberries work great. Add them straight from the freezer; no need to thaw. You might need to bake for a few extra minutes.

Can I make this gluten-free?

Yes, just use certified gluten-free oats. All other ingredients are naturally gluten-free, so check labels.

Can I prepare this the night before?

You can mix the dry ingredients the night before and combine the wet ingredients, but it’s best to bake immediately after mixing. Letting the batter sit overnight can make the oats too soft.