Loaded with all of your favorite fall flavors, this healthy Baked Apple Oatmeal is a wholesome morning treat! Meal prep it for easy breakfasts throughout the week, or feed the whole family for brunch, it’s perfect for making ahead to serve a crowd!

I love making healthy breakfasts ahead to have on hand at all times! Try my Breakfast Cookies or my Energy Bites!

Baked Apple Oatmeal on a white plate with sliced apples, drizzled with maple syrup.

This Baked Apple Oatmeal recipe combines two of my favorite breakfasts: Healthy Baked Oatmeal and Stovetop Apple Cinnamon Oatmeal. It’s perfect for meal prep and taking on the go. I like to portion the baked oatmeal into 9 squares and warm them up as needed. Topped with fresh apple slices, oat milk, and a drizzle of maple syrup, it tastes like a treat but is actually healthy!

Kelley Simmons Kelley’s Tips

To Make The Best Fall Inspired Baked Oatmeal 🍎

  • Spices: For extra fall flavor, I like to add a pinch of nutmeg, ground cloves, cardamom, or a little pumpkin pie spice. It’s so good with apples!
  • Love a little crunch? Throw in some walnuts or pecans! They contain healthy fats and protein. Nuts are so good for you!
  • For easier prep, leave the peels on your apples! They will still blend up perfectly. This will also add some extra fiber to the Baked Apple Oatmeal.
  • Add different fruit! Peaches would be delicious in this recipe. Like a healthy peach cobbler for breakfast. You can also try my berry baked oatmeal recipe.
  • Serving ideas: I like to serve this Baked Apple Oatmeal recipe with a drizzle of maple syrup, a dollop of greek yogurt or a splash of milk.
Kelley

If you love apple season then give my Apple Crisp Recipe With Oats a try!

Baked Apple Oatmeal slices in a white casserole dish.

Ingredients

ingredients for baked apple oatmeal on counter
  • Oats: I prefer old-fashioned oats for this recipe, however you can use rolled oats or instant oats as well. Most of the oats will be blended so in a pinch you could also use oat flour.
  • Apples: Granny Smith adds a nice tart contrast, but Honeycrisp, Fuji, Gala or your favorite baking apple work well.
  • Maple syrup: Gives the baked oatmeal some sweetness. This isn’t a very sweet recipe. I typically serve this with maple syrup so if you don’t plan to do so increase the maple syrup by 1/4 cup.
  • Raising agents: Baking soda and baking powder help the baked oats to raise and become less dense.
  • Milk: Use your favorite type of milk!
  • Greek Yogurt: Makes the baked oatmeal soft and tender. Plain yogurt also work.
  • Applesauce: Adds moisture and natural apple flavor while helping to sweeten the oatmeal.
  • Coconut oil: Give this baked apple oatmeal lots of moisture. Don’t worry you can’t taste the coconut in this! You could also use melted butter instead.

How to make Baked Apple Oatmeal

  1. Blend and fold: Set aside 1 cup of diced apples and 1/2 cup of oats. Add the remaining apples, oats, maple syrup, vanilla, cinnamon, baking soda, baking powder, yogurt, applesauce, eggs, and coconut oil to a blender. Blend for 30-60 seconds or until the mixture is combined. Fold in the reserved oats and diced apple by hand.
Overhead shot of ingredients in a blender.
  1. Add to the pan: Pour the oatmeal mixture into the prepared baking pan.
Batter in a square, white baking dish.
  1. Bake: For 30-35 minutes or until the top looks set and a toothpick comes out mostly clean.
Baked Apple Oatmeal in a square white baking dish.
  1. Cool and store: Allow the oatmeal to cool completely before slicing and serving. Store leftovers in the refrigerator for up to a week.
Spatula lifting a slice of Baked Apple Oatmeal from a white casserole dish.

Storage & Reheating Instructions

  • Store any leftover Baked Apple Oatmeal in the fridge for up to 5 days.
  • Reheat it in the microwave if desired, but this can also be eaten cold or at room temperature.
  • Freeze: Baked oatmeal is great for freezing! Store it in an airtight container or ziptop bag for up to 3 months. Thaw completely before consuming. For ease, I like to freeze individual sices and just take out what I need the night before to thaw covered on the counter.

Baked Apple Oatmeal FAQ

Can I make baked apple oatmeal ahead of time?

Absolutely! This baked apple oatmeal is great for meal prep! I make it at the beginning of the week and warm up and enjoy all week long!

What are the best apples for baked apple oatmeal?

We have made this oatmeal with a variety of apples but always prefer to use granny smith or honey crisp because they have a nice balance of sweetness and tartness!

How to reheat baked oatmeal?

We like to reheat our baked oatmeal in the microwave for 30-60 seconds with a splash of milk on top!

If you have more time you could also warm it up in a 350 degree oven for about 10 minutes.

Baked Apple Oatmeal on a white plate with sliced apples, drizzled with maple syrup.

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      A slice of baked oatmeal topped with syrup on a white plate, served next to thinly sliced apples—perfect inspiration if you’re wondering what to cook in September.
      Recipe

      Healthy Baked Apple Oatmeal

      5 from 7 votes
      Loaded with all of your favorite fall flavors, this healthy Baked Apple Oatmeal is a wholesome morning treat! Meal prep it for easy breakfasts throughout the week, or feed the whole family for brunch, it's perfect for making ahead to serve a crowd!
      Author: Kelley Simmons
      Prep Time: 15 minutes
      Cook Time: 35 minutes
      Total Time: 50 minutes
      Serves 9 slices
      Rate Print

      Ingredients 

      • 2 cups old fashioned oats, divided
      • 3 large apples, divided, peeled and diced
      • 1/3 cup maple syrup
      • 2 tsp vanilla extract
      • 2 tsp cinnamon
      • 1 tsp baking soda
      • 1 tsp baking powder
      • 1/4 cup oat milk
      • 1/4 cup yogurt
      • 1/2 cup applesauce
      • 2 large eggs
      • 2 tbsp coconut oil

      Instructions

      • Preheat oven to 350 degrees. Grease a 9 x 9 pan with non stick cooking spray and set aside.
        Set aside 1 cup of diced apples and 1/2 cup of the oats. Add the remaining apples, oats, maple syrup, vanilla, cinnamon, baking soda, baking powder, yogurt, applesauce, eggs and coconut oil to a blender.
        Blend for 30-60 seconds or until the mixture is combined. Remove the blender blade and fold in the oats and diced apple by hand.
      • Pour the oatmeal mixture into the prepared baking pan.
      • Bake for 30-35 minutes or until the top looks set and a toothpick comes out mostly clean.
      • Allow the oatmeal to cool completely before slicing and serving.
        Store leftovers in the refrigerator for up to a week.

      Notes

      1. Love a little crunch? Throw in some walnuts or pecans! They contain healthy fats and protein. Nuts are so good for you!
      2. Spices: For extra fall flavor, I like to add a pinch of nutmeg, ground cloves, cardamom, or a little pumpkin pie spice. It’s so good with apples!
      3. For easier prep, leave the peels on your apples! They will still blend up perfectly. This will also add some extra fiber to the Baked Apple Oatmeal.
      4. Add different fruit! Peaches would be delicious in this recipe. Like a healthy peach cobbler or cake for breakfast. Yum!
      5. Serving ideas: I like to serve this Baked Apple Oatmeal recipe with a drizzle of maple syrup, sliced fresh apples, and a few toasted walnuts or pecans.
      6. Make sure your oats and oat milk are certified gluten-free if you need this to be gluten-free.

      Nutrition Information

      Calories: 197kcalCarbohydrates: 33gProtein: 5gFat: 6gSaturated Fat: 3gPolyunsaturated Fat: 1gMonounsaturated Fat: 1gTrans Fat: 0.004gCholesterol: 43mgSodium: 147mgPotassium: 268mgFiber: 4gSugar: 17gVitamin A: 126IUVitamin C: 4mgCalcium: 74mgIron: 1mg
      A slice of baked oatmeal topped with syrup on a white plate, served next to thinly sliced apples—perfect inspiration if you’re wondering what to cook in September.

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