• Prep Time: 35 mins
  • Cooking Time: 60 mins
  • Serves: 24

Blueberry Crumb Barz

  • Recipe Submitted by on

 Ingredients List

  • Blueberry Filling
  • 5 cups blueberries divided
  • 1/2 cup sugar
  • 2 Tablespoons cornstarch
  • ⅛ teaspoon salt
  • 1 Tablespoon lemon juice
  • ½ teaspoon vanilla extract
  • 1 Tablespoon butter
  • Crumb Base/Topping:
  • 3 1/4 cups all-purpose flour
  • 3/4 cup sugar
  • ¼ cup light brown sugar, tightly packed
  • 1/2 teaspoon baking powder
  • 1 teaspoon cornstarch
  • 1/2 teaspoon salt
  • 1 cup cold unsalted butter, cut into small cubes
  • 1 large egg yolk
  • ½ teaspoon vanilla extract


Preheat oven to 350F (175C) and lightly grease a 9x13 glass baking dish. Set aside.
In small saucepan, combine 3 cups blueberries (505g), sugar, cornstarch, salt, and lemon juice over medium-low heat.
Stir frequently until the blueberries release their juices, and the mixture is very liquidy (about 5-8 mins).
Increase heat to medium-high and bring to a boil, stirring constantly.
Boil (still stirring constantly) for 1 minutes and remove from heat.
Add remaining 2 cups of blueberries, butter, and vanilla extract and stir until butter is melted. Allow to cool while you prepare your crust.
To prepare your cookie crust, combine flour, sugars, baking powder, cornstarch, and salt in a food processor and pulse briefly until combined.
Sprinkle your butter pieces evenly over the dry ingredients and pulse until the mixture resembles coarse crumbs.
Add egg and vanilla extract and pulse again until mixture just begins to cling together.
Pour 1/2 of your cookie batter into the bottom of your prepared pan and use your hands or the back of a spoon to press evenly into the bottom of the pan to form a crust.
Pour your cooled blueberry filling evenly over the crust.
Use your hands to sprinkle the remaining crust mixture evenly over the top of the filling.
Transfer to the oven and bake on 350F (175C) for 55-60 minutes or until the top of the blueberry crumb bars is golden brown.
Allow to cool completely (2-3 hours) before slicing and serving. If you prefer to enjoy these warm the crumb bars WILL fall apart if sliced before they have cooled and set, so plan to use a spoon!

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