Healthy Blueberry Baked Oatmeal for Make-Ahead Breakfasts

What’s better than a delicious, nutritious, fragrant breakfast to please your entire family (and guests)? An easy-peasy one that you can make ahead like this yummy blueberry baked oatmeal!

When it’s baking, this healthy baked oatmeal fills the kitchen with sweet, cinnamon-y love.

How I healthified this blueberry baked oatmeal

I sweetened and flavored this healthy baked oatmeal recipe with orange juice. And I added some brown sugar, vanilla extract, cinnamon and nutmeg to give this warm dish the aroma and taste that make gathering around the breakfast table something to look forward to. Of course, the coffee and good company are the other two parts of a breakfast or brunch trifecta.

healthy blueberry baked oatmeal with Greek yogurt and raaspberries

Look at all these health-boosting ingredients

Both the oats and the berries are part of my power food list for prediabetes. Add a third by topping it with some Greek yogurt like I did here. These foods are also ideal for the heart and the brain.

Here's a healthy make-ahead breakfast that your family will want to get out of bed for. Can't you just smell the deliciousness?Click To Tweet
healthy blueberry baked oatmeal with Greek yogurt and raaspberries

Healthy Blueberry Baked Oatmeal for Make-Ahead Breakfasts

5 from 2 votes
Print Pin Rate
Course: Breakfast, Brunch
Cuisine: Healthy Brunch
Keyword: berries, blueberries, breakfast, oats
Prep Time: 15 minutes
Cook Time: 40 minutes
refrigerate: 1 hour
Total Time: 55 minutes
Servings: 9 squares
Calories: 150kcal
Author: Jill Weisenberger


  • 1 large egg, beaten
  • 12 fluid ounces orange juice
  • 1 teaspoon vanilla extract
  • 2 cups rolled oats
  • 6 tablespoon brown sugar, packed
  • 2 teaspoons ground cinnamon
  • ½ teaspoon ground nutmeg
  • ¼ teaspoon salt
  • 1 teaspoon baking powder
  • 1 cup blueberries


  • In a large bowl, mix the egg, orange juice and vanilla.
  • In a medium bowl, mix the next 6 ingredients (oats through baking powder). Pour the contents on the medium bowl, into the large bowl and mix the wet and dry ingredients. Add the blueberries and stir. Pour into an 8" x 8" pan. Cover and refrigerate for at least an hour or as long as overnight.
  • When ready to bake, preheat the oven to 350°F. Bake uncovered for about 40 minutes. Cut into 9 even squares and serve warm with additional berries and Greek yogurt or simply as is.


Calories: 150kcal | Carbohydrates: 29g | Protein: 4g | Fat: 2g | Trans Fat: 0g | Cholesterol: 21mg | Sodium: 130mg | Fiber: 3g

Now you get creative!

Once you’ve cooked up this warm and delicious blueberry baked oatmeal, experiment with different flavors. Use different fruits and spices. Combine OJ and milk, or simply use milk or soy milk without any juice. There are so many ways to use the basic blueprint to create your own healthy baked oatmeal recipe.

Cheers to filling up your kitchen with great aromas, great taste and great people!

Jill Weisenberger

Jill Weisenberger, MS, RDN, CDE, CHWC, FAND, is a Nutrition, Culinary & Diabetes Expert, Wellcoach®-certified health and wellness coach, Freelance Writer, Registered Dietitian Nutritionist and Certified Diabetes Educator. She's also the author of four books, including a best-seller. She's a nationally-recognized media expert in high demand for print and online interviews, as well as corporate and one-on-one nutritional counseling. Jill's philosophy is that nutrition science should be understandable, realistic and oh so delicious.

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  1. Kevin on February 5, 2020 at 9:59 am

    This looks like a really good recipe. If you take out the brown sugar and the orange juice, then on WW (Weight Watchers) “purple” plan, then it would be a “zero point” food (not free). What would happen if I took those two ingredients out? Should I add more fruit? I eat oatmeal every day for breakfast – and usually 2 or 3 eggs (on WW, those are “zero points”). My internist (primary care physician) is glad I lost 50 lbs so far, and he wants me to lose 45 more. I am a 54 year old male. I am on no medications, and my lab results and blood pressure are now normal – with diet and exercise alone!

    Another thing my doctor wants is for me to eliminate “added sugar”. (Note: On WW, eating an orange is “zero points” but a glass of orange juice is 6 points – an orange fills you up more).

    This is a serious question for me since my diet and exercise regimen has done for me what it takes pharmaceuticals to do for many others. Nutrition is powerful medicine.

    Thanks! I may try out this recipe without the orange juice and brown sugar – just let me know what you think.

    • Jill Weisenberger on February 5, 2020 at 10:53 am

      Wow, I love hearing about your great success. I’ve made this recipe with milk instead of OJ and it’s quite good. I think you’ll need some sweetener, so I suggest using whatever no calorie or low calorie sweetener you prefer. I’m anxious to hear how your changes work out. I always say that a recipe is a guide, not a contract.

      • Drew on February 16, 2020 at 2:18 pm

        Hi Jill, as you offered I used the recipe as guide; I dropped the oj, used water, and added nuts, as well as dried apricot. I had no vanilla essence, and ran out of cinnamon, so I topped up with chinese 5 spice and a little cayenne…true confession, wasn’t sure about the size of my egg, so I used 2 and reduced the amount of water.

        From my pov it worked out really well, I lost the sugar, and gained some fibre, and for me the fruit, nuts and spices took away the need for a sweetener of some kind.

        Will definitely be using your recipe again, the eggs and bicarb made the bake lighter than I expected…I think I was expecting something denser like flapjack.

        As you said it is very enjoyable warm with yoghurt; tomorrow I’ll take a piece to work to fill a corner.

        Thank you 🙂

        • Jill Weisenberger on February 16, 2020 at 2:27 pm

          I LOVE that you did this. And thank you so much for sharing your success. I hope others will take it as inspiration. I sure will. I always say that a recipe is a guide, not a contract.

  2. JNRDN on March 1, 2020 at 4:57 pm

    Hi, fellow RD here! For those seeking a baked oatmeal that uses less added sugar, I would recommend substituting the OJ with milk, non-dairy milk, or water. And I would limit the sugar to 1 tbsp. I understand the recipe makes 9 squares, which amounts to only 8grams of sugar per serving (not including the OJ), but I’m thinking 1/9 of this recipe might not be filling enough. So people might consume more, upping their added sugar intake. I make a similar baked blueberry oatmeal that uses the same amount of oats, milk instead of OJ, only 20 grams (About 4 tsp) of maple syrup, 2 eggs, some nuts and oil, and it’s sweet enough and filling for my family of 4. It makes 4 large servings at only 4.5 grams of sugar per serving.

    • Jill Weisenberger on March 1, 2020 at 6:19 pm

      Thanks for these ideas! I’ve made versions with milk, milk and OJ, various and fruits and nuts. All of them turned out great. I like to serve it with Greek yogurt on top. A scrambled egg or two would really round out the meal.

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Like most of my patients and clients, I lead a busy life. You probably do too. Fortunately, you don’t need weeks, days or even hours to start living better and healthier. This blog offers timesaving strategies and bite-sized nutrition and health information. Come by often for tips and inspiration to healthy living – no matter how busy you are. I am a registered dietitian nutritionist offering credible, practical nutrition advice to keep busy people healthy. Yes indeed, we can be both busy and healthy.

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