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Home » Creative Recipes » Desserts » Fruit Desserts » Blueberries » Blueberry Crumb Bars

Blueberry Crumb Bars

Blueberry Crumb Bars

BY: Michele
PUBLISHED: May 27, 2014
UPDATED: Aug 17, 2021
6 Reviews / 4.5 Average
Featured Comment
I can not stress how good these bars are. Out of everything I have made in the past couple months this has been my personal favorite. Thank you so much! Delicious!!
Karen
35 More Comments
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Blueberry Crumb Bars Imag

Blueberry Crumb Bars, made with fresh or frozen blueberries, with a buttery crumb topping, are a perfect dessert for a summer potluck, picnic, cookout, etc.

Blueberry Crumb Bars - Flavor Mosaic

With fresh blueberries that I needed to use up, I went searching for a recipe that was delicious but also easy to make and take to a party or potluck.  I saw a version of these on Pinterest.  

However, I adapted my Blueberry Crumb Bars from the recipe on AllRecipes.com and the Blueberry Crumb Bar recipe in the AllRecipes magazine. Like my Strawberry Crumb Bars, my version of these Blueberry Crumb Bars are bursting with flavor!

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Blueberry Crumb Bars - Flavor Mosaic

The original recipe for Blueberry Crumb Bars called for 9×13 baking dish, but with only 2 of us, I scaled it down to half, and made it in an 8×8. However, after trying these, if you have a crowd to feed, you may want to have lots on hand and double my recipe for Blueberry Crumb Bars.  They will go fast.

Blueberry Crumb Bars - Flavor Mosaic

Since some of the reviewers on the original recipe on AllRecipes.com stated that the crust lacked flavor, I made a few changes. First, instead of using all white sugar, I used half white sugar and half light brown sugar. Secondly, I used butter instead of shortening.  Lastly, I added a 1/2 teaspoon vanilla to the crust.  All these changes gave it great flavor.

Blueberry Crumb Bars - Flavor Mosaic

To the blueberry filling, I added lemon juice after reading the reviews.  After baking, let them cool completely before cutting.  I recommend even refrigerating the Blueberry Crumb Bars for an hour or so before cutting.  It will make them easier to cut.

Blueberry Crumb Bars - Flavor Mosaic

The result of all these changes?  Absolutely perfect Blueberry Crumb Bars that will be very popular at any get together. This is my go to recipe from now on.  Mr. Flavor Mosaic said he definitely wanted me to make these again.

For which occasion will you make these Blueberry Crumb Bars?

Recipe

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4.50 from 6 votes

Blueberry Crumb Bars Recipe

These Blueberry Crumb Bars are made with sweet fresh blueberries and a buttery crumb topping make a perfect sweet treat for a snack or dessert.
Course Blueberries, Dessert
Cuisine American
Keyword Blueberry Bars, Blueberry Crumb Bars
Prep Time 15 minutes
Cook Time 45 minutes
Total Time 1 hour
Servings 9
Calories 210kcal
Author Michele @ Flavor Mosaic

Ingredients

  • 1/4 cup white sugar
  • 1/4 cup light brown sugar
  • 1/2 teaspoon baking powder
  • 1-1/2 cups all-purpose flour
  • 1/4 teaspoon salt
  • 1/2 cup butter 1 stick butter
  • 1 egg beaten
  • 1/2 teaspoon vanilla
  • 2 cups fresh blueberries
  • 1/4 cup white sugar
  • 1 teaspoon lemon juice
  • 2 teaspoons cornstarch
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Instructions 

  • Preheat the oven to 375 degrees F. Either grease or spray with baking spray an 8×8 inch pan or place parchment paper on the bottom of the pan.
  • In a medium bowl, stir together white and brown sugar, flour, baking powder and salt.
  • In a measuring cup or small bowl, beat an egg with a fork. Add the egg and vanilla to the flour mixture. Using a fork or a pastry cutter, cut in the butter into the flour mixture. Work with the dough until the pieces are very small. Dough will be crumbly. Pat half of the dough evenly into the bottom of the prepared pan.
  • In another bowl, stir together the sugar, cornstarch, and lemon juice. Stir in the blueberries. Spoon the blueberry mixture evenly over the bottom crust.
  • Crumble the remaining dough over the blueberry layer.
  • Bake in a preheated oven for 45 minutes, or until top is slightly brown. (My oven runs hot and baked in about 38 minutes.)
  • Cool completely before cutting into squares. I recommend refrigerating until ready to serve.

Nutrition

Calories: 210kcal | Carbohydrates: 28g | Protein: 2g | Fat: 11g | Saturated Fat: 7g | Cholesterol: 45mg | Sodium: 164mg | Potassium: 70mg | Fiber: 1g | Sugar: 20g | Vitamin A: 359IU | Vitamin C: 3mg | Calcium: 22mg | Iron: 1mg

Another blueberry bar recipe you may enjoy are these Cakey Lemon Blueberry Brownies.

For another recipe with lemons and blueberries, my Glazed Lemon Blueberry Pound Cake.

Another bar you may enjoy is my Cherry Cheesecake Brownies.

Here is another recipe to use up those blueberries, Easy Blueberry Muffins.

For another berry treat how about this Easy White Chocolate Berry Dessert from Renee’s Kitchen Adventures.

If you like the Blueberry Crumb Bars, then try these Blueberry Cheesecake bars from The Life and Loves of Grumpy’s Honeybunch.

If you want to use those blueberries for breakfast, try these Lemon Blueberry Pancakes from Life Tastes Good.

Filed Under: American, Bake, Bars / Brownies, Blueberries, Budget-friendly, Comfort Food, Cookies, Father's Day, Featured Photos, Fruit Desserts, July 4th, Make Ahead, Memorial Day, Mini Desserts, Mother's Day, Pot Luck, Quick and Easy, Resized Slider Photos, Summer, Sweet Tagged With: bars, blueberries, blueberry, crumb bars, desserts, Lemon, lemon blueberry, picnic, potluck, spring, summer

DISCLOSURE: Flavor Mosaic is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program. Please note: This blog may contain affiliate links to products I use and love. I earn a small commission, at no extra cost to you, to help with blog expenses when you make a purchase through an affiliate link. Thank you for your support!

Reader Interactions

Michele F - Owner / Founder / Creator / Blogger at Flavor Mosaic
Michele

Hi, I’m Michele Feuerborn, wife, and dog Mom, with 20+ years experience as a home cook. I’m the Founder of Flavor Mosaic, as well as the author, recipe developer, and photographer. I share fast, easy, flavorful recipes with bold flavors, featuring Instant Pot recipes and Southern and Mexican cuisines.

Comments

  1. Evija says

    May 29, 2015 at 5:53 am

    Blueberries, yumm 🙂 This looks absolutely delicious! Thank you for sharing and joining our Oh My Heartsie Girl Wordless Wednesday Link Party.. Have a great day, co-host Evija @Fromevijawithlove x

    Reply
    • Michele says

      May 29, 2015 at 10:16 am

      Thank you!

      Reply
  2. Gloria Kersh says

    May 29, 2015 at 11:59 am

    these all look amazing, definitely going to have to try some.. have blueberries in the freezer!
    Thanks for posting at the Weekend re-Treat!!!!
    Glo

    Reply
  3. Katherines Corner says

    May 30, 2015 at 4:03 pm

    Oh my goodness, let me grab a glass of milk I’ll be right over 🙂 Thank you for sharing at the Thursday Favorite Things blog hop. Watch for your feature on Monday xo

    Reply
  4. Kristen from The Road to Domestication says

    June 2, 2015 at 8:52 am

    I totally should have eaten breakfast before I visited your blog LOL Amazing! Thanks so much for taking the time to link up with us over at the #HomeMattersParty – we hope to see you again on Friday! Feel free to bring a friend 🙂

    Reply
  5. Joann Woolley says

    June 3, 2015 at 10:00 pm

    LOVE blueberries and love crumb bars so I’ll need to make these. Oh and thank you for those other yummy ideas linked up below…. I’m so hungry right now!

    Reply
  6. Michelle @ A Dish of Daily Life says

    June 4, 2015 at 12:42 pm

    I need these in my life! Love bars and blueberry crumb sounds divine!

    Reply
  7. Karen says

    January 27, 2016 at 10:43 pm

    I can not stress how good these bars are. Out of everything I have made in the past couple months this has been my personal favorite. Thank you so much! Delicious!!

    Reply
    • Michele says

      January 28, 2016 at 3:52 am

      Hi Karen, I’m so happy you liked the recipe! Thank you for taking the time to circle back here to let me know.

      Reply
  8. Denise says

    April 16, 2017 at 1:27 pm

    Is there an alternative to corn starch?

    Reply
  9. Minnetta says

    January 14, 2021 at 10:08 pm

    Do I need to fo anything different using frozen blueberries?
    Thank you for your time!

    Reply
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Hi, I’m Michele, a home cook with 20+ years experience. I created Flavor Mosaic as a place to share our favorite fast, easy, and flavorful creative recipes with bold flavors, including Southern, Mexican, Tex-Mex, and Instant Pot recipes. Read More…

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