Blueberry Crumble Bars

Thursday, June 11, 2020
These amazingly easy Blueberry Crumble Bars are so melt-in-your-mouth buttery delicious that you can't just stop at one!

These quick decadent crumble bars with a slightly sweet filling are so simple to make and can be a year-round treat anytime since they freeze so well and just keeps you coming back for another bite.

I have never made a batch that didn't all fly off the plate the same day and you can use fresh or frozen blueberries for this recipe, so when blueberries are on sale we buy large quantities and freeze them for another time.

Seriously one of my favorite bars of all time I really was excited to share the recipe with everyone because you just have to try them to believe me.

I no longer wait for the blueberry season to make these bars, I make sure I have a stash in the freezer and use them in a pinch so I can indulge all year long.

We love blueberry desserts, blueberry muffins, blueberry cookies,  blueberry flan, blueberry cheesecake bars, and blueberry lemon loaf are among our favorites.

If you really want another idea for these as a dessert, top the bars with some homemade ice cream, whipped cream with a few extra blueberries, and turn them into a cobbler-style treat!

Scroll down to get these yummy blueberry bars!

these are blueberry crumble bars on a cutting board cooling

Calling All Blueberry Fans!

Ok, well at least we are here in our family, but hey if you're not, just add the berries you like.

Strawberries, blackberries, and even chopped cherries all are delicious with these buttery flavored crumb bars.

this is blueberry bars on a wooden platform with berry on a wicker basket in the background

Decadently Delicious!

If you love easy bars, these crumble bars are super easy with just a few pantry ingredients.

They will surely be a hit at any family gathering, event or just an after-work or school snack.

this is a stack of blueberry bars

Cookie Crust

The dough and cookie crust are just a perfect addition to hold in all that wonderful filling and stays together perfectly.

I love these with a cup of coffee and or tea and if you really want a fun dessert just add a scoop of ice cream on top!

blueberry bar with a fork on a white plate

Dinner Parties

I know this is a simple dessert bar but they sure are perfect for a dinner party and will impress your guest.

When you pressed for time, this quick easy crumble bar is the solution to an easy throw-together dessert.

these are blueberry bars baked and cooling

Cleanups a Breeze!

Using parchment paper makes these easy to cut without making a mess.

Blueberries can easily stain, so I always use parchment paper to avoid that happening.

It also keeps the pan clean and just like new!

this is blueberry bars raw on parchment paper ready for baking in the oven


  1. Serve with a dollop of whipped cream
  2. Serve with ice cream
  3. Sprinkle top with powdered sugar
  4. Substitute any other berries for blueberries
  5. These are best served warm

this is the crumble topping for blueberry crumble bars

Tools You Will Need for Blueberry Crumble Bars

  • Measuring cups
  • Measuring spoons
  • Spatula
  • MixingsSpoons
  • Mixing bowls
  • Parchment paper
  • Brownie size pan
  • Lemon  zest grater
  • Pastry blender

this is the dough being mixed for bar cookies with blueberries on top

Filling Suggestions

(many fruits work great!)

  • raspberries
  • blackberries
  • chopped peaches
  • chopped bing cherries
  • raisins soaked in bourbon
  • freshly chopped figs
  • dates chopped 
  • fresh cranberries chopped

this is blueberry layer on top of crust for bar cookies


  • Reserve some dough for the crumble topping
  • Blot blueberries dry after washing
  • Use a fork or pastry blender to blend the dough
  • Always use fresh lemon zest or orange can be substituted
  • The crumble topping the day after will be softer but still delicious
  • Store leftovers in the refrigerator
  • These bars freeze well for 3 months

this is the dough for the crust to make blueberry bars

Ingredients You Will Need for Blueberry Cookie Bars

(scroll down to the recipe card for exact measurements)

Blueberry filling

  • fresh blueberries ( you can use frozen but blot dry)
  • cornstarch
  • freshly grated lemon zest
  • freshly squeezed lemon juice
  • white sugar
  • allspice or cinnamon

Cookie Dough and Topping

  • flour
  • white sugar
  • baking powder
  • butter softened
  • egg yolk
  • reserved dough from the above recipe
  • brown sugar

this is a bowl of ingredients to make blueberry bar cookies

Pin for Later Blueberry Crumble Bars

this is a pin for later how to make blueberry crumble bars

Recipes with Blueberries We Love

Blueberry Sour Cream Cake

Blueberry Cookies

Blueberry Crumble Bars

Blueberry Cake Mix Muffins

Blueberry Skillet Cake

One Pan Blueberry Scones

this is a lemon being grated for a bar cookies

The Perfect Summer Bar Cookie

These bar cookies are a perfect summer treat especially during blueberry season, there is nothing like homemade blueberry bars to kick off the warmer weather to put a smile on your face.

Easy to make, simple bars that even freeze well, just take a few out at a time and these are a delicious breakfast treat with coffee or tea.

These step by step instructions will have show you just how simple these bars are to make and hey if you don't like blueberries, try raspberries, blackberries or freshly chopped bing cherries!

Adapt away and enjoy baking these delicious blueberry bars!

blueberry crumble bars, blueberry bars, blueberry cookie bars, bar cookies, easy bar cookies, blueberry recipes
cookies, bars, dessert, fruit recipes, bar cookies
Italian, American
Yield: 18
Blueberry Cookie Bars

Blueberry Cookie Bars

Prep time: 10 MCook time: 45 MTotal time: 55 M
These are a crumble style bar with fresh blueberries and a cookie crust. The crust is very butter and similar to shortbread cookies.


  • Blueberry filling
  • 2 cups fresh blueberries ( you can use frozen but blot dry)
  • 2 teaspoons cornstarch
  • 1 tablespoon freshly grated lemon zest
  • 1 tablespoon freshly squeezed lemon juice
  • 1/4 cup white sugar
  • 1/4 teaspoon allspice or cinnamon
  • Mix together and set aside while mixing the shortbread dough.
  • Cookie Dough and Topping
  • 1 and 1/4 cups flour
  • 1/2 cup white sugar
  • 1/2 teaspoon baking powder
  • 1 stick of butter softened plus 2 tablespoons
  • 1 egg yolk
  • Additional Ingredients for Reserved Dough
  • 1 cup reserved dough from the above recipe
  • 2 tablespoons brown sugar


  1. Preheat the oven to 375 degrees.
  2. Prepare a 12 x 6 brownie-style pan or 9 x 9 square and line it with parchment paper. Set aside.
  3. Mix the butter, sugar flour baking powder, and egg yolk together with a pastry blender or fork, saving around 1 cup of dough for the top.
  4. Press 2/3 of the dough into a 12 x 6 rectangular pan or 9 x 9 square pan that has been lined with parchment paper.
  5. In the bowl with the reserved dough saved, knead in the 2 tablespoons of brown sugar evenly into the dough.
  6. Pour the blueberry filling. the mixture on top of the dough-lined pan.
  7. Dough reserved topping with small little pieces evenly (as shown in the photos), then place in the preheated oven.
  8. Bake at 375 preheated oven for around 35 to 45 minutes depending on the size pan or until golden brown on top.
  9. Cool completely and cut into bars.
  10. I store any leftovers in a covered plastic container in the refrigerator and let them come to room temperature.
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Created using The Recipes Generator

Pin for later Blueberry Crumble Bars

this is a blueberry crumble bar pin for later

Don't Forget To Try Some Other Favorite Recipes

Zucchini bread regular or chocolate
Coconut Cream Poke Cake
Raspberry Red Velvet Cupcakes
Dark Chocolate Fudge Cake Mix Cake

this is a stack of three blueberry filled bar cookies


  1. These were the ultimate summer bar recipes. Will totally make them again!

  2. Rich buttery crust and streusel with a juicy sweet blueberry filling...absolutely fantastic!

  3. They look great and if we can beat the birds to them, we will have a nice crop of blueberries this year.


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