The BEST Blueberry Crumble Bars | Blueberry Oatmeal Bars Recipe (2024)

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Loaded with juicy blueberries and topped with a brown sugar-oatmeal crumble, these Oatmeal Breakfast Bars are a delicious breakfast bar recipe. Great to enjoy fresh out of the pan, or wrap up and freezer, these blueberry oatmeal bars are fantastic.

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One of our very favorite back to school treats are these blueberry oatmeal breakfast bars. This breakfast bar recipe is great for rushed school mornings. We will often make a batch, enjoy a few fresh out of the oven and then wrap and freeze the rest.

Blueberry oatmeal bars also great paired with coffee or tea. These blueberry oatmeal bars are a sweet treat that are also delicious paired with ice cream or homemade Cool Whip.

How this breakfast bar recipe comes together

These breakfast bars are not only delicious, they’re also super-easy to make. The blueberry filling can be made with either fresh or frozen blueberries, great for any time of the year. The oatmeal crust is amazing, as the brown sugar and oatmeal keep all the juices in the bar perfectly.

You’ll begin my mixing together the oatmeal brown sugar crust by combining the oatmeal, flour, brown sugar, soda and salt. Melt the butter, and pour over the oatmeal mixture. Mix together until incorporated and crumbly. Press 2/3 of the oatmeal mixture into a 9×13 pan, saving the other 1/3 for the topping.

Mix together the blueberries and sugar, and pour over the bottom crust, making sure the berries are evenly distributed over the crust. Then, top the berries with the remaining 1/3 of the crust. Simply crumble over the top of the berries.

Love pairing oats and fruit? Check out some of our other recipes:

  • Banana Blueberry Oatmeal Muffins
  • Raspberry Crumble
  • Healthy Peach Crisp
  • Peach Overnight Oats
  • Cherry Overnight Oats
  • Peach Crisp
  • Mixed Berry Cobbler with Cake Mix
  • Apple Cinnamon Baked Oatmeal Bars
  • Peanut Butter Banana Baked Oatmeal
  • Healthy Apple Muffins
  • Chocolate Baked Oats
The BEST Blueberry Crumble Bars | Blueberry Oatmeal Bars Recipe (3)

How to bake these easy blueberry oatmeal bars

Bake the blueberry bars until golden brown and the blueberries are bubbly. Remove from the oven and let cool to room temperature before cutting. Feel free to cut into squares, or into long bars like these.

These oatmeal breakfast bars are great to wrap up, put in the freezer, and take out when you need a quick snack or breakfast on the run. They’re also great to put in a lunchbox or eat the car or bus when your crunched for time.

The BEST Blueberry Crumble Bars | Blueberry Oatmeal Bars Recipe (4)

Much like my Cherry Almond Breakfast Cookies, this breakfast bar recipe is way better than any store-bought bar or cookie. Loaded with juicy, ripe blueberries and topped with a brown sugar-oatmeal crumble these bars are a delicious way to have breakfast on the run.

Would you like a healthier version of these blueberry oatmeal bars? Check out my Baked Blueberry Oatmeal Bars:

If you’re looking to go healthier for breakfast, check out all of my Healthy Breakfast Meal Prep recipes & ideas here:

Here’s a quick-reference grocery list of the ingredients you’ll need to make these yummy Blueberry Oatmeal Breakfast Bars:

  • Old-Fashioned Oatmeal
  • Flour
  • Brown Sugar
  • Butter
  • Baking Soda
  • Salt
  • Blueberries
  • Sugar
  • Corn Starch

Blueberry Oatmeal bars ingredient substitutions and recommendations:

Wanna switch up the fruit inside these breakfast bars? Try them with fresh or frozen strawberries, raspberries, mixed berries or even peaches.

The BEST Blueberry Crumble Bars | Blueberry Oatmeal Bars Recipe (7)

These are the bars made with frozen mixed berries.

If you loved these fantastic blueberry oatmeal crumble bars, check out some of our other blueberry treats:

  • Blueberry Cream Cheese Breakfast Braid
  • Healthy Lemon Blueberry Loaf
  • Blueberry Cream Cheese French Toast Bake
  • Healthy Blueberry Muffins Recipe
  • Blueberry Almond Chia Pudding
  • Blueberry Protein Muffins
  • Baked Blueberry Oatmeal
  • Blueberry Vanilla Protein Oatmeal
  • Blueberry Overnight Oats
  • Cream Cheese Blueberry Danish

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The BEST Blueberry Crumble Bars | Blueberry Oatmeal Bars Recipe (8)

Blueberry Oatmeal Breakfast Bars

Erin Indahl-Fink

Loaded with fresh blueberries baked between a sweet brown sugar, oatmeal crust these breakfast bars are perfect for any morning!

Print Recipe Pin Recipe

Prep Time 15 minutes mins

Cook Time 25 minutes mins

Total Time 40 minutes mins

Course Breakfast, Dessert, Snack

Cuisine American

Servings 18

Calories 250 kcal

Equipment

  • 9 x 13" Pan This non-stick 9 x 9" pan is fantastic for no bake desserts, as well as bars, brownies and more!

  • Mixing Bowls These stainless steel mixing bowls are an essential cooking tool for every kitchen.

Ingredients

Instructions

  • Preheat oven to 350 degrees.

  • In a mixing bowl combine the oatmeal, flour, brown sugar, soda and salt. Melt the butter, and pour over the oatmeal mixture. Mix until incorporated and crumbly. Press 2/3 of the oatmeal mixture into the bottom a 9×13 pan, saving the other 1/3 for the topping.

  • In a seperate bowl, combine the blueberries, sugar and corn starch. Mix until the blueberries are evenly coated with the sugar and corn starch. Pour over the bottom crust. Crumble the remaining oatmeal mixture over the blueberries. Bake at 350 for 20-25 minutes or until golden brown.

  • Remove from the oven and let cool completely before cutting.

Notes

These bars are intended to be a breakfast treat, like a pastry or coffee cake.

If you would prefer a healthier alternative, be sure to check out my Bake Blueberry Oatmeal, which has no refined sugar or butter.

Fruit Substitution: Feel free to substitute the blueberries with frozen mixed berries, raspberries, strawberries, cherries or peaches.

Nutrition

Serving: 1gCalories: 250kcalCarbohydrates: 36gProtein: 3gFat: 11gSaturated Fat: 7gPolyunsaturated Fat: 4gCholesterol: 27mgSodium: 257mgFiber: 2gSugar: 19g

Keyword blueberry crumble bars, blueberry breakfast bars, blueberry oatmeal bars

Tried this recipe?Let us know how it was!

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The BEST Blueberry Crumble Bars | Blueberry Oatmeal Bars Recipe (2024)

FAQs

How do you intensify blueberry flavor? ›

The simplest is simply to macerate them with sugar. Mix the berries with a few tablespoons of sugar and some citrus zest. Blueberries pair well with lime but orange or lemon would work as well. You'll want to mash a few berries to release the juice but leave most of them whole.

What spices go with blueberries? ›

Cardamom, cinnamon, nutmeg, allspice, clove, and ginger are the spices that pair well with blueberry.

What to do with blueberries about to go bad? ›

Make blueberry syrup. Dry them out and have dried blueberries. Toss them into a blender with other stuff and make a smoothie. Put them on ice cream, yogurt, or even jello.

How to make blueberries sweet? ›

Macerating—soaking or steeping in liquid and/or sweetener—is one of the easiest and fastest ways to doctor up sub-par berries. Toss them in sugar, honey, or maple syrup, along with a little fresh juice or alcohol (an herbal liqueur, like elderflower spirit, would be great).

What makes blueberries taste better? ›

Peak Ripeness

Another reason U-Pick Blueberries taste better than store-bought berries is because you can choose to pick the most ripe ones. Fully ripened to perfection blueberries are dark blue with a light white, cloudy coating called the “bloom” around them. This coating is completely natural and safe.

What happens when you add sugar to blueberries? ›

The process of adding sugar (or in some cases, a splash of liqueur for additional flavor) to fruit and letting it steep over time is known as maceration. In addition to enhancing their natural sweetness, macerating amplifies berries' natural flavor.

What flavors compliment blueberry? ›

If you refer to the diagram above, you'll see that blueberries also have a certain malty scent, which pairs well with cherries, almonds, apples, apricots, blackberries, bananas, lychees, avocados and elderflower.

What is the best mix for blueberries? ›

Use a 50-50 mix of potting soil and peat moss as your planting media. Wet it thoroughly before placing it in the container. If the shrub is pot bound gently tease the roots to encourage root expansion into the potting media.

What happens if you add baking soda to blueberries? ›

Recipes that include baking soda can turn blueberries an unappetizing greenish-brown color. Baking soda is usually in the recipe to counteract acid ingredients like buttermilk or yogurt.

Do blueberries last longer in the fridge or on the counter? ›

You can leave blueberries at room temperature if you plan to eat them in the next day or so, but after that you should transfer them to the fridge—they can stay there for five to 10 days. Of course, you can freeze them if you want to keep them longer than that. Frozen blueberries will last about six months.

When should you throw out blueberries? ›

You should just throw out the berries that are visibly moldy and any berries that may have been in direct contact with those moldy berries. Mold tends to thrive in areas where there's a lot of moisture and organic material, so berries are the perfect place for mold to grow, the Mayo Clinic Minute states.

Do blueberries last longer in the fridge or out? ›

If properly stored, blueberries can last up to 2 weeks in the refrigerator, though to enjoy them at peak flavor and texture, eat them within a week. Blueberries can last up to 10 months in the freezer, though they peak around the 6-month mark.

What do coffee grounds do for blueberries? ›

Coffee grounds are highly acidic, they note, so they should be reserved for acid-loving plants like azaleas and blueberries. And if your soil is already high in nitrogen, the extra boost from coffee grounds could stunt the growth of fruits and flowers.

Why do you put lemon in blueberries? ›

Lemon can enhance the flavor of blueberries by adding a touch of acidity that brings out their natural sweetness. Both lemon and blueberry are versatile flavors that can be used in a variety of dishes, from sweet to savory.

Can dogs eat blueberries? ›

Yes, blueberries are a great low-calorie treat for dogs. They also contain antioxidants, fiber and vitamins C and K. These nutrients support the immune system and contribute to overall health. Adding blueberries to your dog's diet is a great way to help keep him happy and healthy.

How to enhance blueberry flavor in muffins? ›

The zest of one lemon and one teaspoon of fresh lemon juice are all you need to elevate the flavor. Just add the juice and zest to your blueberry muffin mix and bake as usual. The lemony tang adds a new flavor profile and you might never make blueberry muffins without lemon juice again.

Why are my blueberries so bland? ›

I think it may be that the root systems are more developed and have access to more nutrients. Picking them a little before they are fully ripe may also give them a more tangy flavor. Blueberries may turn blue before they are fully ripe, maybe wait a little longer and see if the flavor improves?

References

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