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Blueberry Crumb Bars Recipe

imcxl by imcxl
May 8, 2025
Reading Time: 19 mins read
0
Blueberry Crumb Bars Recipe


This submit might include affiliate hyperlinks. Please learn our privateness coverage.

Hand holding up a blueberry crumb bar to the camera. Text overlay includes recipe name.
Stacked blueberry crumb bars on white plates in front of a glass of milk. Text overlay includes recipe name.
Overhead view of sliced blueberry crumb bars. Text overlay includes recipe name.

With a buttery crust and a touch of lemon, these blueberry crumb bars are the right means to make use of lovely recent blueberries.

Stacked blueberry crumb bars on white plates in front of a glass of milk.Stacked blueberry crumb bars on white plates in front of a glass of milk.

Longtime readers will understand how a lot I am keen on blueberries. Recent out of the container, in my cereal, and particularly baked into yummy desserts. Throw in some lemon and I’m one glad woman.

There’s a motive why I like blueberry french toast casserole, blueberry lemonade, and lemon blueberry bread a lot! I actually can’t get sufficient of that blueberry-lemon combo.

And these blueberry crumb bars aren’t any exception. They’ll be the right means to make use of summer-ripe blueberries as soon as they begin popping up on the farmers’ market. However till then, frozen blueberries work simply as nice on this recipe.

These bars are delish for breakfast with a cup of espresso, as dessert with a scoop of vanilla ice cream, or as a day pick-me-up with an iced shaken espresso. They’re actually an anytime-of-day baked good.

In addition they journey effectively, so that they’re excellent for taking alongside to your entire upcoming summer time barbecues! 

Hand holding up a blueberry crumb bar to the camera.Hand holding up a blueberry crumb bar to the camera.

Methods to make blueberry crumb bars

These blueberry crumb bars come collectively simply because of your meals processor. In case you’ve made my pecan bars, then you definitely’re used to utilizing a meals processor to make crusts like this a snap! 

Elements you’ll want

The crust for these blueberry crumb bars serves as each the bottom and the crumb topping. To make the crust, you have to:

  • 3 cups all-purpose flour
  • 1 cup granulated sugar
  • 1 teaspoon baking powder
  • ½ teaspoon wonderful sea salt
  • 2 teaspoons lemon zest
  • 1 cup chilly unsalted butter, reduce into items
  • 1 massive egg
  • 1 teaspoon pure vanilla extract
Ingredients for blueberry crumb bars arranged on a countertop.Ingredients for blueberry crumb bars arranged on a countertop.

Earlier than you begin baking, ensure you know  measure flour appropriately in order that your bars end up excellent each time. 

I like including lemon zest to the crust to present the blueberry bars a little bit of vibrant lemony taste. You’ll need about 2 lemons to get 2 teaspoons of zest.

For the blueberry filling, you have to:

  • 4 cups recent or frozen blueberries
  • ½ cup granulated sugar
  • 1 tablespoon cornstarch

You should utilize recent or frozen blueberries on this recipe. In case you’re utilizing frozen berries, you may thaw them or go away them frozen; it actually doesn’t make a distinction for the way the ultimate bars end up.

Making this recipe

To begin, make the crust for these blueberry crumb bars.

Dry ingredients for crumb bar dough pulsed in a food processor.Dry ingredients for crumb bar dough pulsed in a food processor.

Seize a meals processor and add the flour, sugar, baking powder, salt, and lemon zest. Pulse this combination a couple of instances to mix every little thing.

Now add the butter items and pulse 10-12 instances; the combination ought to resemble coarse meal with a couple of pea-sized items of butter all through.

Whisked egg and vanilla.Whisked egg and vanilla.
Dough for crumb bars pulsed in a food processor.Dough for crumb bars pulsed in a food processor.

In a small bowl, whisk collectively the egg and the vanilla. With the meals processor working, stream on this combination. As soon as the egg has been added, let the meals processor run for only a few extra seconds to complete combining every little thing.

The dough shall be actually crumbly, however ought to maintain collectively once you squeeze it in your hand.

Crust for crumb bars pressed into the bottom of a pan.Crust for crumb bars pressed into the bottom of a pan.
Baked crumb bar crust in a pan.Baked crumb bar crust in a pan.

Add simply over half of the dough combination to a 9×13-inch pan that has been greased and lined with parchment paper. Use your fingers or the underside of a glass or measuring cup to press the dough firmly into the underside of the pan.

Bake the crust at 375°F for 10 minutes, till the perimeters are golden and the middle is simply set.

Blueberry crumb bar filling mixed in a glass bowl.Blueberry crumb bar filling mixed in a glass bowl.
Assembled blueberry crumb bars ready to go in the oven.Assembled blueberry crumb bars ready to go in the oven.

Whereas the crust bakes, stir collectively the blueberries, sugar, and cornstarch. Unfold this combination evenly over the baked crust, then sprinkle on the remaining dough.

In order for you some bigger crumbs on the highest, squeeze among the dough collectively in your fingers as you add it over the berry layer.

Bake the bars for 35-40 minutes, or till the crumb topping is calmly golden and the fruit is bubbly across the edges.

Let the blueberry crumb bars cool utterly earlier than reducing and serving.

Baked blueberry crumb bars cooling on a wire rack.Baked blueberry crumb bars cooling on a wire rack.

Blueberry crumb bar storage and freezing

Retailer blueberry crumb bars in an hermetic container at room temperature for as much as 1 day or within the fridge for as much as 3 days.

If storing within the fridge, enable the bars to come back to room temperature earlier than serving. Or you may microwave bars for about 30 seconds to heat them by way of earlier than having fun with.

To freeze, place the bars in an hermetic container with parchment paper between layers. Freeze for as much as a month.

Permit the bars to thaw on the counter for a few hours earlier than having fun with.

Overhead view of sliced blueberry crumb bars.Overhead view of sliced blueberry crumb bars.

Often requested questions

I don’t have a meals processor, how can I make the crust?

A meals processor makes this recipe tremendous straightforward, however you may nonetheless make these bars even with out one.

One methodology is to whisk the dry elements collectively in a big bowl, then use a pastry cutter to chop the butter into the flour combination till it resembles a rough meal with a couple of pea-sized items of butter.

The opposite methodology is to freeze the butter, then grate it utilizing the big holes on a field grater. Add the grated butter to the dry elements, then use your fingertips to combine it in till effectively mixed.

As soon as the butter is added utilizing both of the above strategies, add the whisked egg and vanilla and stir this into the combination with a fork till effectively mixed and crumbly.

Can I take advantage of frozen blueberries as an alternative of recent?

Sure! These blueberry crumb bars are simply as scrumptious with frozen blueberries as they’re with recent.

If utilizing frozen blueberries, you may go away them frozen or thaw them earlier than including them to the crust. The bars will end up nice both means.

Three stacked blueberry crumb bars on a white plate with a bite taken from the top bar.Three stacked blueberry crumb bars on a white plate with a bite taken from the top bar.
  • Preheat the oven to 375°F. Spray (1) 9×13-inch baking pan with nonstick cooking spray and line with parchment paper. Put aside.

  • Within the bowl of a meals processor, add the flour, sugar, baking powder, salt, and lemon zest. Pulse a couple of instances to mix.

  • Add the butter items to the flour combination; pulse 10-12 instances, till the combination resembles coarse meal with some pea-sized items of butter all through.

  • In a small bowl, whisk collectively the egg and vanilla. With the meals processor working, stream within the egg combination. Let the meals processor run for a few seconds after the egg has all been added to complete incorporating. The dough shall be very crumbly, however ought to maintain collectively once you squeeze it in your hand.

  • Switch simply over half of the dough combination to the ready baking pan. Use your fingers and/or the underside of a glass or measuring cup to press the dough into a good layer within the backside of the pan. Bake for 10 minutes, or till the perimeters are golden and the middle is simply set.

  • In a big bowl, stir collectively the blueberries, sugar, and cornstarch. Unfold this combination evenly over the baked crust. Sprinkle the remaining dough evenly over the blueberries; for bigger crumbs, squeeze among the dough collectively in your fingers as you add it to the pan.

  • Bake for 35-40 minutes, or till the highest is calmly golden and the fruit is bubbly across the edges. Permit to chill utterly within the pan earlier than reducing into squares and serving.

If utilizing frozen blueberries, you may go away them frozen or thaw them first.
Tailored from allrecipes.

Serving: 1bar, Energy: 383kcal, Carbohydrates: 57g, Protein: 4g, Fats: 16g, Saturated Fats: 10g, Polyunsaturated Fats: 1g, Monounsaturated Fats: 4g, Trans Fats: 1g, Ldl cholesterol: 54mg, Sodium: 141mg, Potassium: 83mg, Fiber: 2g, Sugar: 30g, Vitamin A: 520IU, Vitamin C: 5mg, Calcium: 35mg, Iron: 2mg

Diet data is routinely calculated, so ought to solely be used as an approximation.

RELATED POSTS

Cherry Cheesecake Crumb Bars

Flexible Baker’s Gluten Free Bread Flour Mix

Lavender Lemon Drop Martinis


This submit might include affiliate hyperlinks. Please learn our privateness coverage.

Hand holding up a blueberry crumb bar to the camera. Text overlay includes recipe name.
Stacked blueberry crumb bars on white plates in front of a glass of milk. Text overlay includes recipe name.
Overhead view of sliced blueberry crumb bars. Text overlay includes recipe name.

With a buttery crust and a touch of lemon, these blueberry crumb bars are the right means to make use of lovely recent blueberries.

Stacked blueberry crumb bars on white plates in front of a glass of milk.Stacked blueberry crumb bars on white plates in front of a glass of milk.

Longtime readers will understand how a lot I am keen on blueberries. Recent out of the container, in my cereal, and particularly baked into yummy desserts. Throw in some lemon and I’m one glad woman.

There’s a motive why I like blueberry french toast casserole, blueberry lemonade, and lemon blueberry bread a lot! I actually can’t get sufficient of that blueberry-lemon combo.

And these blueberry crumb bars aren’t any exception. They’ll be the right means to make use of summer-ripe blueberries as soon as they begin popping up on the farmers’ market. However till then, frozen blueberries work simply as nice on this recipe.

These bars are delish for breakfast with a cup of espresso, as dessert with a scoop of vanilla ice cream, or as a day pick-me-up with an iced shaken espresso. They’re actually an anytime-of-day baked good.

In addition they journey effectively, so that they’re excellent for taking alongside to your entire upcoming summer time barbecues! 

Hand holding up a blueberry crumb bar to the camera.Hand holding up a blueberry crumb bar to the camera.

Methods to make blueberry crumb bars

These blueberry crumb bars come collectively simply because of your meals processor. In case you’ve made my pecan bars, then you definitely’re used to utilizing a meals processor to make crusts like this a snap! 

Elements you’ll want

The crust for these blueberry crumb bars serves as each the bottom and the crumb topping. To make the crust, you have to:

  • 3 cups all-purpose flour
  • 1 cup granulated sugar
  • 1 teaspoon baking powder
  • ½ teaspoon wonderful sea salt
  • 2 teaspoons lemon zest
  • 1 cup chilly unsalted butter, reduce into items
  • 1 massive egg
  • 1 teaspoon pure vanilla extract
Ingredients for blueberry crumb bars arranged on a countertop.Ingredients for blueberry crumb bars arranged on a countertop.

Earlier than you begin baking, ensure you know  measure flour appropriately in order that your bars end up excellent each time. 

I like including lemon zest to the crust to present the blueberry bars a little bit of vibrant lemony taste. You’ll need about 2 lemons to get 2 teaspoons of zest.

For the blueberry filling, you have to:

  • 4 cups recent or frozen blueberries
  • ½ cup granulated sugar
  • 1 tablespoon cornstarch

You should utilize recent or frozen blueberries on this recipe. In case you’re utilizing frozen berries, you may thaw them or go away them frozen; it actually doesn’t make a distinction for the way the ultimate bars end up.

Making this recipe

To begin, make the crust for these blueberry crumb bars.

Dry ingredients for crumb bar dough pulsed in a food processor.Dry ingredients for crumb bar dough pulsed in a food processor.

Seize a meals processor and add the flour, sugar, baking powder, salt, and lemon zest. Pulse this combination a couple of instances to mix every little thing.

Now add the butter items and pulse 10-12 instances; the combination ought to resemble coarse meal with a couple of pea-sized items of butter all through.

Whisked egg and vanilla.Whisked egg and vanilla.
Dough for crumb bars pulsed in a food processor.Dough for crumb bars pulsed in a food processor.

In a small bowl, whisk collectively the egg and the vanilla. With the meals processor working, stream on this combination. As soon as the egg has been added, let the meals processor run for only a few extra seconds to complete combining every little thing.

The dough shall be actually crumbly, however ought to maintain collectively once you squeeze it in your hand.

Crust for crumb bars pressed into the bottom of a pan.Crust for crumb bars pressed into the bottom of a pan.
Baked crumb bar crust in a pan.Baked crumb bar crust in a pan.

Add simply over half of the dough combination to a 9×13-inch pan that has been greased and lined with parchment paper. Use your fingers or the underside of a glass or measuring cup to press the dough firmly into the underside of the pan.

Bake the crust at 375°F for 10 minutes, till the perimeters are golden and the middle is simply set.

Blueberry crumb bar filling mixed in a glass bowl.Blueberry crumb bar filling mixed in a glass bowl.
Assembled blueberry crumb bars ready to go in the oven.Assembled blueberry crumb bars ready to go in the oven.

Whereas the crust bakes, stir collectively the blueberries, sugar, and cornstarch. Unfold this combination evenly over the baked crust, then sprinkle on the remaining dough.

In order for you some bigger crumbs on the highest, squeeze among the dough collectively in your fingers as you add it over the berry layer.

Bake the bars for 35-40 minutes, or till the crumb topping is calmly golden and the fruit is bubbly across the edges.

Let the blueberry crumb bars cool utterly earlier than reducing and serving.

Baked blueberry crumb bars cooling on a wire rack.Baked blueberry crumb bars cooling on a wire rack.

Blueberry crumb bar storage and freezing

Retailer blueberry crumb bars in an hermetic container at room temperature for as much as 1 day or within the fridge for as much as 3 days.

If storing within the fridge, enable the bars to come back to room temperature earlier than serving. Or you may microwave bars for about 30 seconds to heat them by way of earlier than having fun with.

To freeze, place the bars in an hermetic container with parchment paper between layers. Freeze for as much as a month.

Permit the bars to thaw on the counter for a few hours earlier than having fun with.

Overhead view of sliced blueberry crumb bars.Overhead view of sliced blueberry crumb bars.

Often requested questions

I don’t have a meals processor, how can I make the crust?

A meals processor makes this recipe tremendous straightforward, however you may nonetheless make these bars even with out one.

One methodology is to whisk the dry elements collectively in a big bowl, then use a pastry cutter to chop the butter into the flour combination till it resembles a rough meal with a couple of pea-sized items of butter.

The opposite methodology is to freeze the butter, then grate it utilizing the big holes on a field grater. Add the grated butter to the dry elements, then use your fingertips to combine it in till effectively mixed.

As soon as the butter is added utilizing both of the above strategies, add the whisked egg and vanilla and stir this into the combination with a fork till effectively mixed and crumbly.

Can I take advantage of frozen blueberries as an alternative of recent?

Sure! These blueberry crumb bars are simply as scrumptious with frozen blueberries as they’re with recent.

If utilizing frozen blueberries, you may go away them frozen or thaw them earlier than including them to the crust. The bars will end up nice both means.

Three stacked blueberry crumb bars on a white plate with a bite taken from the top bar.Three stacked blueberry crumb bars on a white plate with a bite taken from the top bar.
  • Preheat the oven to 375°F. Spray (1) 9×13-inch baking pan with nonstick cooking spray and line with parchment paper. Put aside.

  • Within the bowl of a meals processor, add the flour, sugar, baking powder, salt, and lemon zest. Pulse a couple of instances to mix.

  • Add the butter items to the flour combination; pulse 10-12 instances, till the combination resembles coarse meal with some pea-sized items of butter all through.

  • In a small bowl, whisk collectively the egg and vanilla. With the meals processor working, stream within the egg combination. Let the meals processor run for a few seconds after the egg has all been added to complete incorporating. The dough shall be very crumbly, however ought to maintain collectively once you squeeze it in your hand.

  • Switch simply over half of the dough combination to the ready baking pan. Use your fingers and/or the underside of a glass or measuring cup to press the dough into a good layer within the backside of the pan. Bake for 10 minutes, or till the perimeters are golden and the middle is simply set.

  • In a big bowl, stir collectively the blueberries, sugar, and cornstarch. Unfold this combination evenly over the baked crust. Sprinkle the remaining dough evenly over the blueberries; for bigger crumbs, squeeze among the dough collectively in your fingers as you add it to the pan.

  • Bake for 35-40 minutes, or till the highest is calmly golden and the fruit is bubbly across the edges. Permit to chill utterly within the pan earlier than reducing into squares and serving.

If utilizing frozen blueberries, you may go away them frozen or thaw them first.
Tailored from allrecipes.

Serving: 1bar, Energy: 383kcal, Carbohydrates: 57g, Protein: 4g, Fats: 16g, Saturated Fats: 10g, Polyunsaturated Fats: 1g, Monounsaturated Fats: 4g, Trans Fats: 1g, Ldl cholesterol: 54mg, Sodium: 141mg, Potassium: 83mg, Fiber: 2g, Sugar: 30g, Vitamin A: 520IU, Vitamin C: 5mg, Calcium: 35mg, Iron: 2mg

Diet data is routinely calculated, so ought to solely be used as an approximation.

Tags: BarsBlueberryCrumbRecipe
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