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    Home » Recipes » Breakfast Meal Prep

    Healthy Lemon Blueberry Baked Oatmeal

    Published: Dec 12, 2022 by bobbieblue

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    This healthy lemon blueberry baked oatmeal is bursting with fresh lemon flavor and juicy berries. Using simple ingredients this is a quick breakfast to prepare for meal prep for a busy week.

    A baking dish with lemon blueberry baked oats.

    (Blue’s Best Life is a participant in the Amazon Associates Program.  I earn a small commission if you purchase through those links.  This helps me keep the blog going! -Bobbie)

    Why This Lemon Blueberry Baked Oatmeal Is The Best!

    Easy baked oatmeal is a healthy breakfast bursting with fresh flavors. If you love the combination of lemon and blueberries this will become your new favorite breakfast bake. It's flavor is similar to a blueberry lemon muffin, with a softer texture.

    I have several different baked oatmeal recipes that I have made throughout the years and I was surprised at how much I enjoyed the lemon flavor with the oatmeal. And the added pop of juicy blueberries makes this baked oatmeal recipe a winner. It will definitely be added to our breakfast rotation.

    If you are looking for baked oats without banana, then this oats recipe is for you. I think that is why the lemon flavor shines so well too. When banana is added to many recipes it has a tendency to overpower the flavor of the other ingredients. I added applesauce for moisture because it has a more subtle flavor.

    Equipment Needed

    baking dish- use either a 9x6 or 8x8 inch baking dish for the recipe. If you double the recipe it will fit in a 13x9 inch baking dish.

    Key Ingredients

    oats- old-fashioned oats are my go to for baked oatmeal recipes. You can use quick oats although it may slightly change the texture of the oatmeal bake. Do not substitute instant oats because those would become mushy. Also steel cut oats would not work in this baked oatmeal recipe because they take much more liquid and time to cook.

    fresh blueberries- I love using fresh fruit whenever possible but you can always use frozen blueberries if you prefer. No need to thaw, just add them to the oat mixture.

    lemon- you will need a fresh lemon to make this recipe because you will also need to zest the lemon.

    maple syrup- pure maple syrup is always what I use. Pancake syrup is corn syrup with artificial flavorings.

    Step-By-Step Instructions

    Preheat the oven to 350 degrees Fahrenheit. Lightly spray a baking dish with cooking spray.

    In a large bowl mix together the egg, maple syrup, apple sauce, almond milk, lemon juice and lemon zest. Once the wet ingredients are mixed add the dry ingredients, to the same bowl. This is such an easy recipe because you can mix everything together in the same bowl.

    A bowl with wet ingredients and stirring the oats into the bowl.

    Sprinkle the fresh berries into the batter. You should expect the batter to be very runny. Pour the oat mixture into the prepared baking dish. Place in the oven and bake for 40 minutes or until set.

    Adding in the blueberries and adding the mixture to a baking dish.

    While the oatmeal is baking, make the blueberry syrup. Add the blueberries and maple syrup to a small saucepan over medium heat. When the syrup heats up it will begin to break down the berries. You can use a fork to help mash the berries. This will take 2-3 minutes. Stir the cornstarch and water together in a small bowl, making sure cornstarch is dissolved. Pour into the blueberry mixture. The cornstarch will thicken the syrup.

    Making blueberry syrup in a saucepan.

    Storage Suggestions

    Store leftovers in the refrigerator in an airtight container for up to 3-4 days. Reheat in the microwave for 60-90 seconds.

    Make Ahead

    Baked oatmeal is the perfect make ahead breakfast. Make a double batch in a 13x9 inch casserole dish and store in the refrigerator for leftovers for the week.

    This oatmeal casserole can also be made ahead and frozen for 1-3 months. Allow the baked oatmeal to cool completely at room temperature. Then wrap in a layer of plastic wrap and an extra layer of aluminum foil. If you prefer individual portions, you can cut the baked oatmeal into pieces and wrap separately for a quick grab and go breakfast.

    Substitutions

    almond milk- I always have almond milk on hand, however you can use any non-dairy milk of choice. Cashew milk, soy milk or even regular cow's milk can be substituted in the recipe. Just remember that will change the calorie count.

    coconut oil- oil helps bind the oats together. You can use any neutral flavored oil in the recipe or even substitute melted butter.

    blueberry syrup- because I had additional blueberries I thought this would make a great topping for the lemon blueberry oatmeal bake. This is totally optional, but so good! If you prefer drizzle with pure maple syrup or add a dollop of Greek yogurt.

    A closeup of the blueberry baked oatmeal.

    Looking For Other Baked Oatmeal Breakfast Recipes? Try These!

    Baked Apple Oatmeal

    Easy Vanilla Protein Baked Oats

    Healthy Chocolate Baked Oats

    Peanut Butter Baked Oatmeal

    Did you try this recipe? Please let me know what you think! Leave a comment below, and a 5- star rating. I would love to hear from you! Subscribe Here to get new recipes sent straight to your inbox!

    Print Recipe
    5 from 1 vote

    Lemon Blueberry Baked Oatmeal

    This healthy lemon blueberry baked oatmeal is bursting with fresh lemon flavor and juicy berries. Using simple ingredients this is a quick breakfast to prepare for meal prep for a busy week. 
    Prep Time5 mins
    Cook Time40 mins
    Total Time45 mins
    Course: Breakfast
    Cuisine: American
    Keyword: lemon baked oats, lemon blueberry baked oats, lemon and blueberry baked oats, lemon blueberry baked oatmeal, blueberry lemon baked oatmeal, blueberry lemon oatmeal bake
    Servings: 6
    Author: Bobbie Blue

    Ingredients

    Lemon Blueberry Baked Oatmeal

    • ⅓ cup pure maple syrup
    • ¼ cup coconut oil
    • ½ cup apple sauce
    • 1 large egg
    • 1 cup almond milk
    • 2 teaspoons lemon zest
    • 1 tablespoon lemon juice
    • 2 cups old fashioned oats
    • ¼ teaspoon salt
    • ½ teaspoon baking powder
    • ½ cup blueberries

    Blueberry Syrup

    • ½ cup blueberries
    • 3 tablespoons maple syrup
    • 1 teaspoon cornstarch
    • 1 tablespoon water

    Instructions

    Lemon Blueberry Baked Oatmeal

    • Preheat oven to 350 degrees Fahrenheit. Lightly spray a 9x6 or 8x8 inch baking dish with cooking spray.
    • In a large bowl mix the maple syrup, coconut oil, applesauce, egg, almond milk, lemon juice and lemon zest.
    • Add the oats, salt and baking powder to the wet ingredients. Stir the blueberries into the oat mixture.
    • Pour the mixture into the prepared baking dish. Place in preheated oven for 40 minutes. Test with a toothpick in the center. Baked oatmeal is finished cooking when the oats have absorbed the liquid and mixture is firm when inserted with a toothpick. Baked oatmeal will be golden brown on top.

    Blueberry Syrup

    • Add blueberries and maple syrup to a small saucepan over medium heat. As the blueberries begin to simmer and burst, use a fork to smash the blueberries.
    • Mix cold water and cornstarch in a small bowl, making sure cornstarch is completely dissolved.
    • Add the cornstarch mixture to the blueberries. This will thicken the sauce.
    • Add the sauce to the lemon blueberry baked oatmeal.

    More Breakfast Meal Prep

    • Chocolate Chip Baked Oats (No Banana)
    • Mini Egg Bites (Muffin Tin)
    • Greek Yogurt Pumpkin Muffins
    • Light and Crispy Oat Flour Waffles (Gluten-Free)

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    Hi, I'm Bobbie! Welcome to Blue's Best Life. I'm a self taught cook that loves to find the balance between healthy dished while still enjoying a truly decadent dessert, because there is always room for a little something sweet!

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