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Buttery Blueberry Crumble Bars

These blueberry crumble bars are the best! Buttery, crumbly, and delicious they make the perfect spring and summer treat.
Print Recipe
Prep Time 10 minutes
Cook Time 45 minutes
Course Dessert
Servings 12 bars

Ingredients
  

Crust and crumb topping:

  • ¼ cup sugar
  • ¼ cup brown sugar
  • ½ teaspoon baking powder
  • 1 ½ cups All-purpose flour
  • ¼ teaspoon salt
  • 1 large egg
  • ½ teaspoon vanilla extract
  • ½ cup butter cut into pieces

Blueberry filling:

  • 1 pint blueberries
  • ¼ cup sugar
  • 1 teaspoon lemon juice
  • 2 teaspoon cornstarch

Instructions
 

  • Preheat oven to 375 F.
  • Combine sugar, brown sugar, baking powder, flour and salt in a large bowl.
  • In a small bowl mix the egg and vanilla extract. Add it to the flour mixture.
  • Add in the butter pieces and crumble them with your hands to form crumbs.
  • Press ¾ of the crumble into a parchment lined 8 x 8" Set aside the remaining ¼ while preparing the filling.
  • Prepare the filling by combining the blueberries, sugar, lemon juice and cornstarch in a bowl. Toss on top of the crust.
  • Crumble the remaining crust on top. Bake for 45 minutes until the blueberries burst and the crumbs are golden.