Apple Cinnamon Baked Oatmeal

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This apple cinnamon baked oatmeal is inspired by traditional Amish baked oatmeal and studded with apples, raisins and loads of cinnamon flavor. It’s vegan, gluten-free and great for meal prep.

I’ve said it before and I’ll say it again… baked oatmeal is the best thing since overnight oats! I’ve been on a baked oatmeal kick this year and I’m so glad you’re just as obsessed as me because that means I get to keep trying and sharing new flavor combinations.

Each month, I’ve been making a seasonal baked oatmeal flavor and this month we’re going with apple cinnamon. Late September is the start of apple season so the timing is perfect. Head to a local apple orchard or grab some fresh apples from your local market and whip up this delicious apple cinnamon baked oatmeal.

Spatula lifting a slice of apple cinnamon baked oatmeal from a baking dish. Oatmeal topped with apple slices and cinnamon.

This apple cinnamon baked oatmeal is inspired by one of my favorite seasons: fall! I love visiting apple orchards and creating alllll the apple recipes. My ideal weekend would involve a cool, crisp morning, a cozy sweater and some sort of baked apple treat.

Who Invented Baked Oatmeal?

Since my obsession with baked oatmeal, I’ve been determined to figure out who invented baked oatmeal. I’ve yet to find the answer, but a lot of the old baked oatmeal recipes I’ve found come from the Amish, who made baked oatmeal to fuel their long days working on the farm.

Most of the Amish baked oatmeal recipes involve apples, raisins, and cinnamon so the recipe I’m sharing is inspired by that flavor combination, but without the butter, eggs, and milk! We’re keeping things vegan and dairy-free for my version!

I’ve made a similar version before with steel cut oats, but this version is just as tasty and cooks up a bit faster. Here’s the baked steel cut oatmeal recipe, if you’re interested.

Dish of apple cinnamon baked oatmeal filled with raisins and chunks of apples. Apples and a wooden spoon are around the dish.

Ingredients in Apple Cinnamon Baked Oatmeal

  • rolled oats – makes for a super creamy bowl of oatmeal and are my personal favorite! Make sure you grab certified gluten-free if necessary. I like Bob’s Red Mill Gluten Free Whole Grain Rolled Oats.
  • unsweetened applesauce – make your own homemade applesauce or use store-bought. Just make sure it’s unsweetened if you go that route.
  • non-dairy milk – I like using unsweetened vanilla almond milk. You can also make homemade almond milk using my recipe. You can use whatever milk you prefer!
  • flaxseed – flaxseeds are great sources of healthy fats, fiber and even plant-based protein!
  • maple syrup – one of my preferred natural sweeteners. You can totally skip this or use another liquid sweetener like honey or agave.
  • coconut oil – gives the baked oatmeal a nice moist texture.
  • baking powder – rising agent that helps lighten the texture of the baked oatmeal. It prevents it from becoming too dense or heavy. 
  • vanilla extract, cinnamon and sea salt – to enhance the flavors!
  • apples – you’ll need about 1-2 apples, peeled and finely chopped into pieces.
  • raisins – the perfect companion to apples and cinnamon!

How to Make Apple Baked Oatmeal

Baked oatmeal is pretty much just a matter of mixing and baking. Nothing fancy! In a large bowl, start by mixing together the rolled oats, cinnamon, baking powder, salt, almond milk, flaxseed, unsweetened applesauce, maple syrup, coconut oil, and vanilla. Fold in the raisins and diced apples.

Wood spoon mixing the mixture for apple cinnamon baked oatmeal in a mixing bowl.

Pour the mixture into a prepared baking dish, top with a few extra apple slices and bake at 375ºF for about 40 minutes or until the center is set.

Spatula lifting a slice of apple cinnamon baked oatmeal from a dish.

This apple cinnamon baked oatmeal recipe is absolutely delicious with a drizzle of almond butter, a splash of almond milk, or maple syrup on top.

Slice of apple cinnamon baked oatmeal on a plate and drizzled with nut butter and topped with apple slices.

Can You Make Baked Oatmeal Ahead of Time?

Yes, you can totally make baked oatmeal ahead of time, and that makes it perfect for meal prep! There are a couple of options that work really well.

Option 1: Bake and Then Reheat Before Serving

  1. Prepare baked oatmeal as the recipe suggests. Once baked, let the oatmeal cool, then cover the baking dish and place in the fridge. You can do this 1-2 days in advance. When ready to serve, take oatmeal dish from fridge, cover with foil and reheat in a 350°F oven for about 20 minutes. For individual portions, set toaster oven to 350°F and bake for 5-10 minutes or reheat in the microwave for 1 minute.

Option 2: Prep as Much as You Can Without Baking

  1. Mix together your dry ingredients in a bowl, cover and let sit out on the counter until morning.
  2. Mix together all the wet ingredients in another bowl, cover and store in the fridge until morning.
  3. In the morning, simply mix the wet and dry ingredients together, pour oatmeal mixture into your prepared baking dish and bake as recipe suggests.

More Oatmeal Recipes

More Baked Oatmeal Recipes to Try

Apple Cinnamon Baked Oatmeal

5 from 100 votes
This apple cinnamon baked oatmeal is inspired by traditional Amish baked oatmeal and studded with apples, raisins and loads of cinnamon flavor. It’s the perfect fall breakfast and great for meal prep.
Spatula lifting a slice of apple cinnamon baked oatmeal from a baking dish. Oatmeal topped with apple slices and cinnamon.
Prep Time 15 minutes
Cook Time 40 minutes
Total Time 55 minutes
Servings 6

Ingredients

  • 2 cups rolled old-fashioned oats
  • 1 teaspoon cinnamon
  • 1 teaspoon baking powder
  • ½ teaspoon sea salt
  • 2 cups non-dairy milk, I like using unsweetened vanilla almond milk
  • 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
  • ½ cup raisins

Instructions
 

  • Preheat oven to 375°F. Spray an 8×8 baking dish with non-stick spray.
  • In a large bowl, mix together rolled oats, cinnamon, baking powder, salt, almond milk, applesauce, maple syrup, flaxseed, coconut oil and vanilla.
  • Fold in raisins and ¾ cup of the diced apples.
  • Pour mixture into prepared baking dish and top with remaining ¼ cup of diced apples. 
  • Bake:
    Bake about 40 minutes or until the center has set and a toothpick comes out clean. Allow baked oatmeal to cool just a bit before serving. Serve with a drizzle of almond butter, almond milk, or maple syrup. 
  • For storage:
    Store in the refrigerator in an airtight container for up to 4 days.
  • To reheat:
    To reheat the whole baked oatmeal, cover with foil and reheat in a 350°F oven for about 20 minutes. For individual portions, set oven (or toaster oven) to 350°F and bake for 5-10 minutes or reheat in the microwave for 1 minute.

Video

Nutrition

Serving: 1/6 of recipe Calories: 229kcal Carbohydrates: 43g Protein: 4g Fat: 6g Sodium: 291mg Fiber: 4g Sugar: 20g
Course: Breakfast
Cuisine: American
Keyword: apple baked oatmeal

DID YOU MAKE THIS RECIPE?

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Recipe Rating




    175 comments
    1. Melissa
      July 31, 2021 AT 1:51 pm

      Can I substitute an egg for the ground flaxseed?

      1. Brittany Mullins
        August 2, 2021 AT 8:49 pm

        Totally!

    2. Steph
      June 16, 2021 AT 1:02 am

      5 stars
      I’ve now tried all baked oatmeal flavors of yours and this cinnamon apple is our absolute fave!! I added sliced almonds and dried cranberries (didn’t have raisins) and it was AMAZING. And I used oat milk instead of almond milk with this one, just for kicks. This will become a regular occurrence at my house. Thanks!

      1. Brittany Mullins
        June 16, 2021 AT 10:41 am

        Woo!! I love hearing this! So glad this oatmeal has been such a success for you and your family, Steph! Thanks so much for the review. I really appreciate it!

    3. Gina
      May 13, 2021 AT 9:51 pm

      5 stars
      So so super yummy! Made a vegan version for my sister-in-law…and as a non-vegan, this recipe was A++!

      Have you ever cooked them in individual muffin tins? Curious if the time/temp would be the same.

    4. Tammy
      May 11, 2021 AT 9:25 pm

      5 stars
      Sooooo good and so easy!!!

      1. Brittany Mullins
        May 12, 2021 AT 10:46 am

        Yay!! So glad you enjoyed this baked oatmeal, Tammy! Thanks for the review and star rating. I really appreciate it!

    5. Caitlyn
      April 14, 2021 AT 12:46 pm

      5 stars
      I made this sweetened with dates and it was SO. GOOD.

      1. Brittany Mullins
        April 14, 2021 AT 1:53 pm

        Woo!! So pumped you loved this recipe, Caitlyn. Thanks for the review!

4 bowls of oatmeal topped with a variety of fruit, nuts, nut butter, chocolate chips and toppings.

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