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)

Bake up 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.

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

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 (8)

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

The BEST Blueberry Crumble Bars | Blueberry Oatmeal Bars Recipe (9)

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

What enhances the flavor of blueberries? ›

Apparently, coriander. The dried seeds of this common garden herb pack considerably more linalool than lavender does (the flavor's more subtle, too, so, it's a little easier to cook with). Blueberries, too. In fact, linalool is one of the key terpenes used when laboratories synthesize the flavor of blueberries.

How to make blueberries taste better? ›

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 are the best blueberries for baking? ›

Some top varieties for baking include Bluecrop, Chandler, Elliott, and Patriot.

What spices pair well with blueberries? ›

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

What happens when you add sugar to blueberries? ›

In this case, combining fresh berries with sugar causes the fruit to release its juices as it sits, which then forms a syrup in which the fruit soaks. Stirring the fruit frequently will help ensure all of the berries make contact with the sugar and syrup, resulting in the juiciest and most flavorful result.

What makes blueberries taste sweeter? ›

The fruit size and sweetness increase very quickly at the end of the ripening process. Ensuring that your blueberry plants are grown in acidic soil and keeping them fertilized annually will also help to sweeten the blueberries.

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.

What does Epsom salt do for blueberries? ›

You can use Epsom salt if your blueberries need magnesium. You should add one tablespoon of Epsom salts and one tablespoon of apple cider vinegar to two gallons of water and apply to the base of the blueberry plants. This method can help revive blueberry plants and encourage them to green up.

What happens if you add baking soda to blueberries? ›

Blueberries turn greenish-blue in a batter that has too much baking soda (or grey in a smoothie with a lot of dairy), which creates an alkaline environment. That's why mixing a little lemon juice into your batter or smoothie will give you a more vibrant color.

Why do you put flour on blueberries before baking? ›

The light coating of flour around the berries will absorb some of the fruit's liquid, making them less likely to sink. This is especially helpful when the batter is thin; thicker batters are a little better at cradling the fruit and keeping it suspended.

Is it better to bake with fresh or frozen blueberries? ›

If cooking your berries into a pie filling, you may need to add additional thickening agents because frozen berries tend to release more liquid than fresh and will lead to a runnier consistency. For best results in your baking, don't defrost the berries before use but instead toss them in flour.

What is the closest fruit to blueberry? ›

If you're looking for a fruit to use as a substitute for blueberries, raspberries are a great option.

Why do you add lemon juice to blueberries? ›

The tartness of lemon provides a bright and zesty contrast to the sweetness of 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.

What is late season for blueberries? ›

They're native to North America, where the harvest runs from April to late September. During the North American winter, South America is experiencing summer, and our international farmers keep grocery stores stocked with fresh blueberries from November to March. It's always a good day to grab a boost of blue!

Are blueberries and cinnamon good for you? ›

BLUEBERRIES WITH CINNAMON & HONEY

Neutralize chemicals in the body that cause cell damage leading to cancer, disease, and the effects of aging. Slow declines in brain function related to Alzheimer's and Parkinson's. Improve learning capacity and fine motor skills.

How to make bland blueberries taste better? ›

Try using honey, sugar, liqueur, and even vinegar in your liquid. You can even introduce complementary flavors like a touch of citrus zest or a splash of vanilla extract to further enrich the experience.

What to do with blueberries that taste bad? ›

However, the best trick for sweetening up a bitter batch of berries is to cook them down. As the juice of the berries is released, the berries will turn sweeter, especially when combined with sugar, honey, and spices.

Why do my blueberries taste 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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