Apple Cinnamon Oatmeal Bake

Name: Apple Cinnamon Oatmeal Bake
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 8 servings
Ingredients: 2 cups rolled oats; 2 apples, peeled and diced; 2 cups milk (or non-dairy alternative); 1/2 cup brown sugar; 1 teaspoon ground cinnamon; 1/2 teaspoon vanilla extract; 1/4 teaspoon salt; 2 eggs, lightly beaten; 1/2 cup walnuts, chopped (optional)

Highlighted under: Simple Baking Collection

I absolutely love starting my mornings with a warm bowl of apple cinnamon oatmeal bake. It combines the delightful flavors of sweet apples and warm cinnamon in a baked format that feels cozy and indulgent. Not only is it a comfort food staple, but it’s also packed with nutrients and fiber, making it a great way to kickstart my day. Plus, it’s so easy to prepare—you can have it baking in no time while you enjoy that first cup of coffee. Trust me, you’ll want to make this over and over again!

Created by

Matilda Rowe

Last updated on 2026-02-07T20:04:36.594Z

When I first tried making apple cinnamon oatmeal bake, I was amazed at how easy it was to throw together. I simply combined oats, fresh apples, milk, and a sprinkle of cinnamon, then popped it into the oven. The result was a fluffy, golden-brown bake that filled my kitchen with an irresistible aroma. I love to add a drizzle of honey on top for a natural sweetness.

This recipe is forgiving, too! You can easily swap out different fruits or add nuts for extra texture. It's a great way to use up leftover apples, and we often enjoy it as a comforting dessert when paired with a scoop of vanilla ice cream.

Why You Will Love This Recipe
The warm, comforting combination of apples and cinnamon.
Healthier than traditional baked goods with a wholesome ingredient list.
Perfect as a breakfast meal prep option or cozy dessert.

Understanding the Role of Oats

Oats are the foundation of this Apple Cinnamon Oatmeal Bake, providing both texture and essential nutrients. When using rolled oats, they absorb liquid and swell, creating that hearty, chewy base which is key for this dish. Make sure to use certified gluten-free oats if you are avoiding gluten, as some oats can be cross-contaminated during processing.

When combined with liquid, the oats become creamy and can even yield a slightly firm texture when baked properly. If you prefer a softer bake, you can opt for quick oats, but avoid using steel-cut oats as they won't soften enough in the baking process.

Perfecting Texture and Sweetness

The balance of sweetness in this dish primarily comes from the brown sugar, which adds not just sweetness but also a hint of molasses flavor. Brown sugar contributes to the overall moistness of the bake. For a healthier alternative, you can substitute coconut sugar or a sugar substitute but be mindful that the texture may vary slightly.

Another tip for heightening flavors is to choose apples that are naturally sweet and tart, such as Honeycrisp or Fuji, as they hold their shape during baking while releasing their juices. This results in a beautifully caramelized top that contrasts wonderfully with the soft oatmeal base.

Variations and Serving Suggestions

This oatmeal bake is wonderfully versatile. You can add dried fruits like raisins or cranberries for an extra chew, or even incorporate spices such as nutmeg or ginger for a spicier profile. For a nut-free version, simply omit the walnuts, and you might consider adding some pumpkin seeds for a similar crunch.

For serving, this hearty bake pairs beautifully with a drizzle of maple syrup or a dollop of yogurt for added creaminess. Consider topping it with fresh fruit or a sprinkle of cinnamon just before serving to enhance its visual appeal and flavor profile.

Ingredients

Gather these ingredients to make your Apple Cinnamon Oatmeal Bake:

Oatmeal Bake Ingredients

2 cups rolled oats
2 apples, peeled and diced
2 cups milk (or non-dairy alternative)
1/2 cup brown sugar
1 teaspoon ground cinnamon
1/2 teaspoon vanilla extract
1/4 teaspoon salt
2 eggs, lightly beaten
1/2 cup walnuts, chopped (optional)

Ensure you have everything prepped before diving into the baking process.

Instructions

Follow these steps to create your delicious Apple Cinnamon Oatmeal Bake:

Preheat the Oven

Preheat your oven to 350°F (175°C) and grease a baking dish.

Mix the Dry Ingredients

In a large bowl, combine rolled oats, brown sugar, ground cinnamon, and salt.

Combine Wet Ingredients

In another bowl, whisk together milk, eggs, and vanilla extract.

Combine All Ingredients

Pour the wet mixture into the dry ingredients, and gently fold in the diced apples and walnuts, if using.

Bake

Spread the mixture evenly in the prepared baking dish and bake for 30 minutes, until golden on top.

Cool and Serve

Allow to cool for a few minutes before slicing and serving warm, drizzled with honey if desired.

Enjoy your delicious homemade Apple Cinnamon Oatmeal Bake!

Pro Tips

For extra flavor, try adding in a pinch of nutmeg or other spices. This bake can also be refrigerated for up to 3 days, making it a great meal prep option!

Make-Ahead and Storage Tips

You can prepare this Apple Cinnamon Oatmeal Bake ahead of time, making it an excellent option for busy mornings. Assemble the ingredients the night before, cover, and refrigerate. In the morning, simply pop it in the oven as you enjoy your coffee. It can also be frozen after baking. Just slice the cooled oatmeal bake, wrap individual portions well, and freeze for up to three months.

When reheating, try placing a slice in the microwave for about 30 seconds or until heated through, or rewarm in the oven at 350°F (175°C) for about 10–15 minutes. This way, you can enjoy a warm, comforting breakfast any time you like.

Troubleshooting Common Issues

If your oatmeal bake comes out too dry, it may be due to overbaking. Keep an eye on it in the last 5–10 minutes of baking; the top should be golden, and a toothpick inserted into the center should come out clean but not dry. Always ensure you're measuring your ingredients accurately as this can impact moisture levels.

For those concerned about sogginess, make sure to squeeze out excess moisture from diced apples before adding them to the mix. Also, turning your oven to broil for the last minute can help create a golden, crisp top without overcooking the entire dish.

Questions About Recipes

→ Can I use instant oats instead of rolled oats?

While you can, rolled oats provide better texture and hold up better during baking.

→ What can I substitute for eggs?

You can use applesauce or a flaxseed meal mixed with water as an egg substitute.

→ Is this recipe gluten-free?

Yes, if you use certified gluten-free oats, this recipe will be gluten-free.

→ Can I make this ahead of time?

Absolutely! You can prepare the mixture the night before, refrigerate, and bake in the morning.