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Home / Latest Posts / Recipes / Course / Dessert / Bars and Brownies / Blueberry Crumble Bars

Blueberry Crumble Bars

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By: Leigh Anne WilkesPosted: 7/23/19Updated: 12/03/20

This post may contain affiliate links. Please see disclosure policy here.

stack of blueberry crumble bars

Blueberry Crumble Bars are a delicious layer of blueberries sandwiched between sugar and butter!

blueberry crumble bars cut into squares

Blueberry season has arrived here in Oregon! We move pretty quickly from season to season around here, starting with strawberry season, then raspberry and now blueberry!  Raspberries will make a come back later this summer for their second season!  One of my favorite flavor combos is blueberry and lemon and I love a good blueberry pie, top it with some fresh blueberry ice cream and you pretty much have heaven on a plate.  These blueberry crumble bars taste just like a eating a delicious slice of blueberry pie.

Blueberry Crumble bars in a stack

How to Make Blueberry Crumble Bars

  • Just like the blueberry muffins I shared before, these bars can be made with fresh or frozen berries in a 9 x 13 pan.  If you use frozen berries, just thaw and drain them really well. Making this crumble bars with frozen blueberries allows you to enjoy it all year long.  The berries are coated in sugar, cornstarch and lemon juice.  The cornstarch helps to thicken the mixture as it cooks.
  • If you’d like some tips on freezing berries check out my post on how to freeze berries here.
Bowl of blueberries
  • These blueberry crumble bars start with a layer of sugar,flour and butter that has been mixed together to form a crumble mixture, half  of the mixture goes on the bottom of the pan.  Add the berry mixture  on top of it and then add the remaining crumble mixture on top!
Making blueberry crumble bars
  • Bake at 375 degrees F for about 45 minutes or until they are nice and golden brown.  Allow them to cool before slicing.  You can put them in the refrigerator if you need them to cool faster.  You can slice them warm but they will be easier to handle and slice if they have cooled.
Blueberry Crumble Bars and a knife

Blueberry Bars are just like eating a slice of blueberry pie in a bar form.  The only thing missing is a scoop of ice cream.  So add a scoop of ice cream to the top of a bar and enjoy!  Or maybe a blueberry crumble bar ice cream sandwich!?!?!

Pieces of blueberry crumble bars

I’ve also been enjoying my blueberries on top of my yogurt and granola in the morning.  And for another fun blueberry treat you might want to try them with some Brown Sugar Cream.  This Fresh Blueberry Ice Cream is amazing!!

What’s your favorite thing to do with blueberries?

If you love these blueberry crumble bars, you will want to try my Blackberry Pie Bars.

Blueberry Crumble Bar Recipe

4.67 from 3 votes
blueberry crumble bars cut into bars

Blueberry Crumble Bars

Recipe From: Leigh Anne Wilkes
All the flavors of your favorite blueberry crumble, in a bar.
serves: 20 servings
Prep:20 minutes
Cook:45 minutes
0 minutes
Total:1 hour 5 minutes
Rate Recipe

Ingredients

  • 1 C white sugar
  • 1 tsp. baking powder
  • 3 C all-purpose flour
  • 1 C cold butter 2 sticks
  • 1 egg
  • 1/4 tsp. salt
  • Zest and juice of one lemon
  • 4 C. fresh blueberries
  • 1/2 C white sugar
  • 4 tsp. cornstarch

Instructions

  • Preheat the oven to 375 F. Grease a 9×13 inch pan
  • In a medium bowl, stir together 1 cup sugar, 3 cups flour, and baking powder
  • Mix in salt and lemon zest
  • Use a fork or pastry cutter to blend in the butter and egg
  • Dough will be crumbly
  • Pat half of dough into the prepared pan
  • In another bowl, stir together the sugar, cornstarch and lemon juice
  • Gently mix in the blueberries
  • Sprinkle the blueberry mixture evenly over the crust
  • Crumble remaining dough over the top
  • Bake in preheated oven for 45 minutes, or until top is slightly brown
  • Cool completely before cutting into squares

Nutrition Facts:

Calories: 242kcal (12%) Carbohydrates: 37g (12%) Protein: 3g (6%) Fat: 10g (15%) Saturated Fat: 6g (38%) Cholesterol: 33mg (11%) Sodium: 109mg (5%) Potassium: 87mg (2%) Fiber: 2g (8%) Sugar: 20g (22%) Vitamin A: 321IU (6%) Vitamin C: 5mg (6%) Calcium: 20mg (2%) Iron: 1mg (6%)
* Disclaimer: All nutrition information are estimates only. Read full disclosure here.
Course:Dessert
Cuisine:American
blueberry crumble bars cut into bars
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stack of blueberry crumble bars
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  1. Paula says

    Posted on 8/16 at 4:48 pm

    Your recipe looks and sounds wonderful! I bake bars often but like to make them big and thick; mostly in a 9×9 pan. My usual way of cutting my recipe for this size is 9 3×3 bars. If I was to make your recipe in a 9×9 pan, wanting thick 3×3 bars, would I double it or just use a smaller pan? Thank you.

    Reply
    • Leigh Anne Wilkes says

      Posted on 8/17 at 8:25 pm

      You could definitely try making them in a 9 x 9 pan for a thicker bar. I have never tried it but it should work fine.

      Reply
  2. capturing joy with kristen duke says

    Posted on 9/1 at 3:26 pm

    those look amazing!!!

    Reply
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