Warm, cozy, and full of fall flavors, this apple cinnamon baked oatmeal is the kind of breakfast that makes the whole kitchen smell amazing. It comes together with simple ingredients and is easy to make ahead, so you can enjoy a hearty breakfast without having to start from scratch every morning.
The apples add a little natural sweetness and plenty of texture, while the raisins and maple syrup make every bite feel just a bit more special. Serve it warm with a drizzle of almond butter, a splash of milk, or an extra little bit of maple syrup.

Ingredients
- 2 cups rolled old-fashioned oats
- 1 teaspoon cinnamon
- 1 teaspoon baking powder
- ½ teaspoon sea salt
- 2 cups milk or unsweetened vanilla almond milk
- ½ cup unsweetened applesauce
- ¼ cup maple syrup
- 1 tablespoon ground flaxseed
- 1 tablespoon coconut oil
- 1 teaspoon vanilla
- 1 cup diced apple, divided
- ½cup raisins
Directions
Step 1: Prep the Oven and Baking Dish
First, preheat your oven to 375°F. While it’s heating up, lightly spray an 8×8-inch baking dish with cooking spray and set it aside.
Step 2: Mix the Oatmeal Ingredients
After that, grab a large mixing bowl and add the rolled oats, cinnamon, baking powder, and sea salt. Then, pour in the milk, applesauce, maple syrup, ground flaxseed, coconut oil, and vanilla. Stir everything together until the ingredients are evenly combined and the oats are well coated.
Step 3: Add the Apples and Raisins
When the oatmeal mixture is combined, gently fold in the raisins and ¾ cup of the diced apples. Be sure to save the remaining ¼ cup of apples for the top though. They’ll add a nice little layer of golden, tender apples as the oatmeal bakes.
Step 4: Fill the Baking Dish
Now, pour the oatmeal mixture into your prepared baking dish. Use a spoon or spatula to spread it into an even layer. Then, scatter the remaining diced apples over the top.
Step 5: Bake the Oatmeal
Once everything is ready, place the baking dish in the preheated oven. Bake for about 40 minutes, or until the center is set and a toothpick inserted into the middle comes out clean. The top should look lightly golden, and the oatmeal should feel firm in the center without being dry.
Step 6: Cool and Serve
When the baked oatmeal is finished, take it out of the oven and let it cool for a few minutes before serving. It’s especially delicious while still warm. For an extra little something, drizzle a spoonful of almond butter over the top, add a splash of almond milk, or finish it with a little extra maple syrup.
Step 7: Store the Leftovers
If you have leftovers, let the oatmeal cool completely first. Then, transfer it to an airtight container and store it in the refrigerator for up to 4 days. It’s a great breakfast to make ahead because it reheats beautifully throughout the week.
Step 8: Reheat and Enjoy
When you’re ready for another serving, you have a few easy options. To reheat the entire dish, cover it with foil and warm it in the oven at 350°F for about 20 minutes. For individual portions, place a serving in an oven or toaster oven at 350°F for 5-10 minutes. If you’re short on time, simply microwave an individual portion for about 1 minute.
And that’s it! Make this apple cinnamon baked oatmeal once, enjoy it throughout the week, and let those warm apple-and-cinnamon flavors do the rest. It’s an easy, comforting breakfast that’s just as perfect for a busy weekday morning as it is for a slow weekend.
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