Blueberry Crumb Bars

Blueberry Crumb Bars

This recipe contains gluten free notes


  • for the fruit layer:
  • 4 cups fresh blueberries
  • 1/2 cup sugar
  • 3 teaspoons cornstarch
  • for dough:
  • 1 cup sugar
  • 1 teaspoon baking powder
  • 3 cups all-purpose flour (GF use Domata)
  • 1 cup unsalted butter (2 sticks)
  • 1 egg
  • 1/4 teaspoon salt (optional)
  • 1 pinch ground cinnamon (optional)


  1. to make fruit layer:
  2. Stir together the sugar and cornstarch. Gently mix in the blueberries. Set aside.
  3. Preheat the oven to 375 degrees F (190 degrees C). coat a 9x13 inch pan with butter or non-stick cooking spray.
  4. In a medium bowl, stir together 1 cup sugar, 3 cups flour, and baking powder. Mix in salt and cinnamon, if desired. Use a fork to blend in the butter and egg. Dough will be crumbly. Pat half of dough into the prepared pan.
  5. Layer the blueberry mixture evenly over the crust and crumble left over dough onto the berry layer.
  6. Bake for 45 minutes, or until brown on top. Cool completely before cutting into squares.