Baked Oatmeal Recipe

Prep Time 10 mins
Total Time 40 mins
Servings 9 servings

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This Baked Oatmeal Recipe is an easy and healthy breakfast recipe! It’s packed with good-for-you ingredients like oats, fruit, eggs, and milk and takes just 10 minutes to prep!

Store it in the fridge for easy breakfasts throughout the week or freeze it for up to 3 months!

overhead image of baked oatmeal with berries and oats on the side
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Table of Contents
  1. What is Baked Oatmeal?
  2. Baked Oatmeal Ingredients:
  3. How to make Baked Oatmeal
  4. Baked Oatmeal FAQs
  5. Variations
  6. Serving suggestions
  7. More recipes to make with oats
  8. Baked Oatmeal recipe Recipe

Breakfasts that can be made ahead of time and easily grabbed on-the-go is something I want in my life…especially if it’s packed with healthy ingredients!

We love these Instant Pot Oatmeal, Slow Cooker Oatmeal, and this Apple Cinnamon Oatmeal, but I love the texture of this baked version — it’s almost like eating cake for breakfast!

This Baked Oatmeal Recipe takes just 10 minutes to prep and can be stored all week in the fridge or frozen for up to 3 months to be reheated whenever! It’s also packed with nutritious ingredients like oats, eggs, fruit, and milk.

Looking for more similar recipes? Check out my 4-Ingredient Oatmeal Cups, Banana Chocolate Chip Oatmeal Cups, Pumpkin Chocolate Chip Oatmeal Cups, or Easy Carrot Cake Oatmeal Cups!

What is Baked Oatmeal?

Baked Oatmeal is a breakfast casserole that’s made up of oats, milk, eggs, and any of you favorite oatmeal mix-ins.

You just stir it up and bake! Then you can serve on its own or in a bowl with milk.

overhead close up image of baked oatmeal with blueberries and strawberries

Baked Oatmeal Ingredients:

This healthy Baked Oatmeal recipe is packed with good-for-you ingredients you probably already have on hand!

  • Banana: the riper the better! You can also sub the banana for applesauce or Greek yogurt.
  • Milk: I use low-fat milk but any kind will work. You can even use plant-based milk!
  • Eggs: give the oatmeal a protein boost for a more filling breakfast and help bind the casserole together.
  • Maple Syrup: you can substitute the maple syrup for any sugar or sweetener, like honey or brown sugar.
  • Vanilla Extract: gives the oatmeal flavor depth and warmth.
  • Baking Powder: keeps the oatmeal light and fluffy!
  • Cinnamon and Salt: cinnamon adds sweet spiciness while salt helps enhance flavor.
  • Rolled Oats: use large flake rolled outs for the best texture. For a finer texture, you can also use quick or instant oats.
  • Mix-Ins/Toppings: you can use any mix-ins you like! Try blueberries, raspberries, chopped strawberries, chocolate chips, or nuts!
ingredients needed for baked oatmeal

How to make Baked Oatmeal

This recipe takes just 10 quick minutes to prep!

  1. Combine all ingredients: In a large bowl, mash banana. Add milk, eggs, maple syrup, and vanilla and whisk well. Stir in baking powder, cinnamon, and salt. Add in the oats and any mix-ins you like. Stir until fully combined.
  2. Bake: Transfer the mixture to a greased square baking pan and bake at 350ºF for 25-30 minutes.

Baked Oatmeal FAQs

Is Baked Oatmeal healthy?

Totally! Baked Oatmeal is packed with healthy carbs from the oats, protein from the eggs, and fruit and nuts which are loaded with nutrients. Baked oatmeal makes a delicious, filling, and healthy breakfast!

Can you use steel cut oats?

Steel cut oats are harder and take much longer to cook than rolled oats. Using steel cut oats will not work in this recipe!

How to store:

Baked oatmeal will last in an airtight container in the fridge for 3-4 days.
You can also freeze it!

Can this be frozen?

Totally! Baked oatmeal is the best make-ahead, freezer-friendly meal prep option. To freeze it, bake as directed, cool completely, then store in an airtight container in the freezer for up to 3 months.

How to reheat:

To reheat baked oatmeal from the fridge, microwave or warm in the microwave until heated through. To reheat baked oatmeal from frozen, bake at 350ºF in the oven or wrap individual slices in a paper towel and warm in the microwave until heated through.

piece of baked oatmeal with blueberries and strawberries on plate

Variations

  • Dairy-Free: Swap the regular milk for any variety of non-dairy milk.
  • Vegan: Use non-dairy milk and flax egg in place of regular egg. For this recipe, mix together 2 tablespoons of flax meal and 6 tablespoons of water. Let that mixture sit for 15 minutes in the fridge before incorporating it into the oatmeal.
  • Gluten-Free: Simply swap the rolled oats for gluten-free rolled oats! Also verify that all of the ingredients you use are certified gluten-free.
  • Use frozen fruit. If you’re mixing fruit into the oatmeal, you can use frozen fruit in place of fresh fruit. However, this will require a longer cooking time—probably closer to 45 minutes. It’s a good idea to let frozen fruit thaw before adding to shorten the cook time.
  • Boost the nutrition. Pack this baked oatmeal with even more nutrients by adding in chia, hemp, or flax seeds.

Serving suggestions

This oatmeal recipe makes the perfect grab-and-go breakfast but you can also dress it up and serve it as a delicious sit-down breakfast! Try drizzling it with peanut butter, topping it with Greek yogurt, or topping it off with strawberry sauce!

You can also bulk your breakfast up with all your favorite breakfast recipes. Serve it alongside yogurt parfaits, peanut butter banana smoothies, whole wheat pancakes, bacon and eggs, you name it!

More recipes to make with oats

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Baked Oatmeal recipe

5 from 1 vote
This Baked Oatmeal Recipe is the best portable and good-for-you breakfast! It's packed with healthy ingredients and takes just 10 minutes to prep!
Prep Time 10 mins
Cook Time 30 mins
Total Time 40 mins
Cuisine American
Course Breakfast
Servings 9 servings
Calories 189cal

Ingredients

  • 1 overripe banana (you can sub applesauce or Greek yogurt as well — 100 grams or ⅓ cup)
  • 2 cups low fat milk
  • 2 large eggs
  • cup maple syrup (you can substitute any sugar or sweetener)
  • 1 teaspoon vanilla extract
  • 1 teaspoon baking powder
  • 1 teaspoon cinnamon
  • ¼ teaspoon salt
  • 3 cups large flake rolled oats
  • Blueberries, raspberries, chopped strawberries, chocolate chips, or nuts for topping as desired (frozen fruit will require a longer cook time)

Instructions

  • Preheat the oven to 350 degrees F and grease an 8×8" or 9×9" pan with non-stick spray.
  • In a large bowl, mash banana. Add milk, eggs, maple syrup, vanilla and whisk well.
  • Whisk in baking powder, cinnamon and salt.
  • Add oats and stir until combined (you can add in fruit, chocolate chips or nuts at this point or sprinkle them on top).
  • Bake, uncovered, for 25-30 minutes, until the edges are set and light golden brown.
  • Serve warm or refrigerate to serve later. See my tips in post for freezing.

Nutrition Information

Calories: 189cal | Carbohydrates: 32g | Protein: 7g | Fat: 4g | Saturated Fat: 1g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 1g | Trans Fat: 1g | Cholesterol: 41mg | Sodium: 106mg | Potassium: 305mg | Fiber: 3g | Sugar: 12g | Vitamin A: 115IU | Vitamin C: 1mg | Calcium: 118mg | Iron: 1mg
Keywords baked oatmeal

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Meet Ashley

My name is Ashley Fehr and I love creating easy meals my family loves. I also like to do things my way, which means improvising and breaking the rules when necessary. Here you will find creative twists on old favorites and some of my favorite family recipes, passed down from generations!

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Comments

  1. Teagan says

    I’ve made this recipe two times – one with raspberries and one with strawberries. And it was delicious both times! I think my new favorite simple breakfast. I’m about to try with peanut butter and chocolate for a bit of an indulgence!

  2. Michele says

    Made this morning with walnuts, blackberries and strawberries. Used applesauce in place of banana. Delicious 😋

  3. Sharlene says

    Question, Does the maple syrup have to be pure expensive maple syrup or can I use Mrs.Butter Worths or Aunt Jemimma ?

    thank you

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