Name: Apple Cinnamon Baked Oatmeal Recipe
Prep time: 15 min
Cook time: 40 min
Total time: 55 min
Cuisine: American
Ingredients: 2 cups rolled old-fashioned oats; 1 teaspoon cinnamon; 1 teaspoon baking powder; ½ teaspoon sea salt; 2 cups non-dairy milk (unsweetened vanilla almond milk preferred); ½ cup unsweetened applesauce; ¼ cup maple syrup; 1 tablespoon ground flaxseed; 1 tablespoon coconut oil; 1 teaspoon vanilla extract; 1 cup diced apple (divided into ¾ cup and ¼ cup); ½ cup raisins

Jump to Recipe· 3.9 from 14 reviews

I absolutely adore this Apple Cinnamon Baked Oatmeal Recipe because it brings together the cozy warmth of cinnamon and the fresh sweetness of apples in a wholesome, comforting dish. It’s one of my go-to breakfasts when I want something hearty but easy to prepare that fills the kitchen with amazing aromas. If you love oats and crave a breakfast that feels like a warm hug, this recipe is definitely for you.

Why You'll Love This Apple Cinnamon Baked Oatmeal Recipe

What I find truly special about this Apple Cinnamon Baked Oatmeal Recipe is the delightful balance of flavors. The gentle spice from the cinnamon mingles perfectly with the natural sweetness of the apples and raisins, creating a nuanced taste that is never too overpowering. Every bite has a lovely texture too, with tender oats bolstered by soft baked apples and chewy raisins, making it feel indulgent yet nourishing at the same time.

Another thing I cherish is how incredibly simple it is to make. You don’t need any fancy equipment or complicated steps—just a mixing bowl, a baking dish, and your trusty oven. It’s an easy recipe that fits beautifully into busy mornings, lazy weekend brunches, or even a quick snack anytime. The way it bakes into a cozy, sliceable dish means it’s perfect for sharing with family or bringing along to gatherings, which always earns me compliments and requests for the recipe!

Ingredients You'll Need

The image shows various baking ingredients arranged neatly on a white marbled surface. From top left, there is a clear glass measuring cup filled with smooth white non-dairy milk. Next to it, on the right, is a white bowl filled with pale beige rolled oats. Below the milk, a small white cup contains dark brown maple syrup. On the right side of the syrup, a tiny white scalloped bowl holds light brown ground flaxseed. To the right, a small white dish is divided into three parts, with dark brown cinnamon, white sea salt, and light baking powder powders. Below this, a small clear glass bowl contains creamy pale yellow unsweetened applesauce. Next to it, slightly to the right, is a small white bowl with clear coconut oil. Below the applesauce, a white bowl holds chopped red and cream diced apples. To the right of the apples, a white bowl is filled with dark brown raisins. Finally, a small white dish near the raisins contains dark brown vanilla extract. The ingredients are spaced out evenly on the smooth, light background. Photo taken with an iphone --ar 4:5 --v 7

This recipe uses straightforward, pantry-friendly ingredients that combine to create a beautiful harmony of flavors and textures. Each item plays a key role: oats provide hearty chew, apples add juicy bursts of flavor, spices bring warmth, and a touch of sweetness keeps everything balanced.

Rolled old-fashioned oats: These give the dish a comforting, chewy structure that holds everything together beautifully.
Cinnamon: The spice that warms up every bite and elevates the apples’ natural sweetness.
Baking powder: Helps the oatmeal bake to a light, fluffy consistency rather than dense.
Sea salt: Just a pinch enhances the overall flavors and balances the sweetness.
Non-dairy milk (unsweetened vanilla almond milk): Adds creaminess and a subtle vanilla note without heaviness.
Unsweetened applesauce: Acts as a natural sweetener and binding agent while adding moisture.
Maple syrup: The perfect natural sweetener that complements the cinnamon and apples.
Ground flaxseed: Adds a boost of fiber and helps with the texture’s tenderness.
Coconut oil: Provides richness and a slight tropical hint that pairs well with the spices.
Vanilla extract: Deepens the flavor profile and adds a layer of aromatic sweetness.
Diced apple: Fresh pieces mixed inside and on top provide juicy pops and visual appeal.
Raisins: Sweet, chewy bursts that contrast the tender oats and apples perfectly.

Directions

Step 1: Preheat your oven to 375°F and lightly spray an 8x8-inch baking dish with non-stick spray. This ensures the oatmeal won’t stick and will be easy to serve.

Step 2: In a large bowl, combine the rolled oats, cinnamon, baking powder, and sea salt. Mix these dry ingredients well to evenly distribute the flavors throughout the oatmeal.

Step 3: Add the non-dairy milk, unsweetened applesauce, maple syrup, ground flaxseed, melted coconut oil, and vanilla extract to the dry mixture. Stir thoroughly until everything is fully combined and the oats are well-coated.

Step 4: Fold in ¾ cup of the diced apples and the raisins. This ensures juicy fruit pieces are incorporated throughout the bake without sinking to the bottom.

Step 5: Pour the oatmeal mixture evenly into your prepared baking dish. Then, scatter the remaining ¼ cup of diced apples on top to add a fresh, appealing look and extra texture after baking.

Step 6: Bake in the oven for about 40 minutes, or until the center looks set and a toothpick inserted comes out clean. Let the baked oatmeal cool for a few minutes before slicing. I love serving it warm with a drizzle of almond butter, a splash of almond milk, or a little extra maple syrup for that finishing touch.

Step 7: Store any leftovers in an airtight container in the refrigerator for up to 4 days. When reheating the whole dish, cover it with foil and warm it in a 350°F oven for about 20 minutes until heated through. For single servings, reheat slices in a toaster oven or regular oven at 350°F for 5–10 minutes, or use the microwave for about a minute.

Servings and Timing

This Apple Cinnamon Baked Oatmeal Recipe makes about 6 generous servings, perfect for a family breakfast or a few days of ready-to-eat meals. Prep time is very manageable at just around 10 minutes, then you’ll bake it for 40 minutes. Altogether, including cooling, you’re looking at roughly 55 minutes from start to finish—ideal for making ahead or when you want a cozy morning that fills your home with delicious smells.

How to Serve This Apple Cinnamon Baked Oatmeal Recipe

The image shows a four-step view of making a baked oatmeal dish. In the first step, a white bowl is filled with a mix of oats and milk, with a woman's hand stirring the mix using a white spatula with a wooden handle, all on a white marbled surface with red apples nearby. In the second step, the bowl contains the oatmeal mix topped with dark brown raisins and small diced pieces of red and yellow apples. In the third step, the mixture is poured into a white square baking dish with handles, filled with a light brown liquid base and scattered diced apple pieces across the top. The final step shows the fully baked oatmeal in the dish, now golden brown with crispy edges and the diced apples softened but visible. The setting includes red apples and a beige checkered cloth on the white marbled surface. photo taken with an iphone --ar 4:5 --v 7

I love serving this baked oatmeal warm, fresh out of the oven, when you can really appreciate the soft texture and cozy flavors. It pairs beautifully with a drizzle of almond butter or a splash of extra almond milk to add creaminess. For a little extra sweetness, a light pour of maple syrup works perfectly. If you’re feeling adventurous, a dollop of yogurt or a handful of toasted nuts adds a wonderful contrast of creaminess or crunch.

For presentation, I usually slice it into square portions that are easy to plate and share. Garnishing with a few cinnamon sticks, thin apple slices, or a sprinkle of more cinnamon instantly makes it look inviting and festive—perfect for a weekend brunch with friends or a special family breakfast.

This dish shines at fall or winter gatherings, but honestly, I make it year-round. It’s fantastic for holiday mornings, when you want something warm and satisfying without all the fuss. Plus, it’s great to pack for a potluck or bring into the office for a cozy treat everyone will enjoy.

Variations

One of my favorite things about this Apple Cinnamon Baked Oatmeal Recipe is how flexible it is for tweaking. If you want to switch things up, try swapping out the raisins for chopped walnuts or pecans to add a crunchy texture and nutty flavor. For a more decadent twist, a handful of dark chocolate chips stirred in before baking is absolute magic.

If you need this recipe to be gluten-free, just ensure your oats are certified gluten-free, which is easy to find. For a vegan version, I stick with the almond milk and coconut oil as the fat and moisture base, avoiding any eggs or dairy. You can also experiment with other non-dairy milks like oat or cashew milk, depending on your preference.

For a fruit variation, try mixing in fresh or frozen berries instead of apples or raisins. Blueberries or chopped pears work beautifully and bring a delightful change. You might even experiment with warming spices—adding a pinch of nutmeg or cloves can deepen the flavor profile wonderfully if you like a bit more complexity.

Storage and Reheating

Storing Leftovers

When I have leftovers, I store them in an airtight container in the refrigerator. Glass containers with tight seals work best for maintaining freshness. The baked oatmeal keeps well for up to four days, which makes it perfect for prepping ahead. Just remember to allow it to cool completely before sealing to avoid condensation inside the container.

Freezing

This baked oatmeal recipe freezes beautifully, which makes it a great make-ahead breakfast option. I cut it into portions first and wrap each piece tightly in plastic wrap and then place them in a freezer-safe bag or container. This helps prevent freezer burn and keeps flavors intact. Frozen portions last up to three months, so you can enjoy this comforting dish anytime you want without having to bake from scratch.

Reheating

To reheat, I prefer warming my oatmeal in the oven or toaster oven to restore the texture closest to freshly baked. Keeping it covered with foil when reheating prevents it from drying out. If I’m in a hurry, I’ll microwave a piece for about a minute, but I do find the oven method keeps the edges pleasantly slightly crisp while keeping the middle soft. Adding a splash of almond milk or a drizzle of maple syrup before reheating also helps maintain moisture and flavor.

FAQs

Can I use steel-cut oats instead of rolled oats?

Steel-cut oats have a much firmer texture and require longer cooking times, so I don’t recommend them for baked oatmeal. Rolled oats absorb liquid and bake into a softer, creamier texture that works best for this recipe.

Is it possible to make this recipe without flaxseed?

Yes, you can omit the ground flaxseed if you don’t have it on hand. It mainly helps with texture and binding, but the recipe will still bake well and taste delicious without it.

Can I add fresh fruit instead of apples?

Absolutely! Berries, pears, or even chopped peaches can be wonderful substitutes. Just keep in mind that juicier fruits may add more moisture, so you might need to slightly adjust baking time or amount of liquid used.

What kind of non-dairy milk works best?

I enjoy using unsweetened vanilla almond milk because it adds subtle sweetness and creaminess, but oat milk, cashew milk, or even coconut milk are great alternatives depending on your taste preference.

How do I make this recipe sweeter if I prefer it sweeter?

Maple syrup is the main sweetener here, so you can easily increase its amount a bit to suit your taste. Alternatively, a bit of honey or agave syrup can also work well, keeping the natural flavor balanced.

Conclusion

I truly hope you give this Apple Cinnamon Baked Oatmeal Recipe a try because it’s one of those dishes that feels like a warm, welcoming hug on a plate. It’s simple, nourishing, and delicious enough to become a regular part of your breakfast repertoire. Trust me, once you bake it, you’ll want to share it and savor it again and again.