Blueberry Crumble Bars – Deliciously soft and buttery crumble bars that are filled with a generous layer of juicy blueberries. These bars are a gorgeous dessert/snack to make during summer time!

Blueberry Crumble Bars

Blueberry Crumble Bars

If you’re a fan of blueberry crumble, then you are gonna absolutely LOVE these bars.

These bars are made up of a soft and buttery crumble base and top, and are filled generously with fresh, juicy blueberries.

Serve these warm with some custard for the perfect summer dessert!

Looking for more blueberry recipes? Check out my Blueberry Chocolate Chip Muffins, Blueberry Breakfast Smoothie, and my Homemade Blueberry Pie.

Blueberry Crumble Bars

Ingredients you’ll need

Here’s a list of ingredients you’ll need to make these bars. You can find my recipe card at the bottom of this post for the complete list with their amounts.

For the Crumble:

  • Plain/all-purpose flour
  • Baking powder
  • Salt
  • Unsalted butter: Melted.
  • Light brown sugar
  • Vanilla extract

For the Blueberry Filling:

  • Fresh blueberries
  • Caster/granulated sugar
  • Cornflour/cornstarch
  • Lemon juice

How to make Blueberry Crumble Bars

To make these bars, simply grab a medium mixing bowl and whisk together the flour, baking powder, and salt. Set aside.

In a separate large mixing bowl, whisk together the melted butter, sugar, and vanilla extract.

Add to the dry ingredients and mix in with a fork to form a crumbly mixture.

Press half of the mixture into the base of an 8×8-inch square baking pan lined with foil or parchment paper.

For the filling, add the blueberries to a medium mixing bowl. Mix in the sugar, cornflour, and lemon juice until the blueberries are fully coated.

Pour the blueberries over the base and spread out evenly.

Sprinkle the remaining crumble mixture on top of the blueberries, pressing it down gently.

Bake for 35 – 40 minutes until the top is golden brown. Allow to cool completely in the pan on wire rack before cutting into bars.

The printable recipe card with the full list of ingredients, their measurements, and instructions can be found at the bottom of this post.

Blueberry Crumble Bars

These Blueberry Crumble Bars are:

  • deliciously thick, soft, and buttery
  • super quick and easy to make
  • loaded with fresh, juicy blueberries
  • the perfect dessert bars for summer time!

How long will these blueberry crumble bars last? These bars will stay fresh, stored in an airtight container, at room temperature or in the fridge for up to 1 week.

Can I freeze these bars? Yes, they also freeze well for up to 3 months. Thaw overnight in the fridge before serving. If desired, warm up for a few seconds in the microwave before serving.

Blueberry Crumble Bars
Blueberry Crumble Bars

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Blueberry Crumble Bars
Simply Bake

Blueberry Crumble Bars

Deliciously soft and buttery crumble bars that are filled with a generous layer of juicy blueberries. These bars are a gorgeous dessert/snack to make during summer time!
Author: Marsha
Prep Time: 20 minutes
Cook Time: 40 minutes
Total Time: 1 hour
Yields: 16 bars

Ingredients

For the Crumble

  • 3 cups (375g) plain/all-purpose flour
  • 2 teaspoons baking powder
  • ¼ teaspoon salt
  • 1 cup (226g) unsalted butter, melted
  • ¾ cup (150g) light brown sugar
  • 1 teaspoon vanilla extract

For the Blueberry Filling

  • 2 cups (296g) fresh blueberries
  • ¼ cup (50g) caster/granulated sugar
  • 1 ½ teaspoons cornflour/cornstarch
  • 2 teaspoons lemon juice

Instructions

For the Crumble

  • Preheat the oven to 180C/350F/Gas 4. Line an 8×8-inch square baking pan with foil or parchment paper. Set aside.
  • Whisk together the flour, baking powder, and salt. Set aside.
  • In a separate large bowl, whisk together the butter, sugar, and vanilla. Add to the dry ingredients and mix in with a fork to form a crumbly mixture.
  • Press half of the mixture into the base of the prepared pan.

For the Blueberry Filling

  • Add the blueberries to a medium bowl. Mix in the sugar, cornflour, and lemon juice until the blueberries are fully coated.
  • Pour the blueberries over the base and spread out evenly.
  • Sprinkle the remaining crumble mixture on top of the blueberries, pressing it down gently.
  • Bake for 35 – 40 minutes until the top is golden brown. Allow to cool completely in the pan on wire rack before cutting into bars.

Video

Recipe Notes

Bars stay fresh, stored in an airtight container, at room temperature or in the fridge for up to 1 week. They also freeze well for up to 3 months. Thaw overnight in the fridge before serving.

Nutrition Information:

Serving: 1barCalories: 247kcalCarbohydrates: 33gProtein: 3gFat: 12gSaturated Fat: 7gPolyunsaturated Fat: 4gCholesterol: 30mgSodium: 99mgFiber: 1gSugar: 14g

Nutrition information is automatically calculated, so should only be used as an approximation.

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