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berry crumble - Blueberry Crumble Bars

Blueberry Crumble Bars

Blueberry Crumble Bars are the perfect dessert to make with all those summer blueberries. Buttery crust topped with fresh berries & oat crumbles is delish.
Course Dessert
Cuisine American
Keyword blueberry, crumble, crunch bars
Prep Time 10 minutes
Cook Time 25 minutes
Total Time 35 minutes
Servings 9 squares


  • 1 box yellow cake mix
  • 2-1/2 cup quick cook oats
  • 3/4 cup butter- melted
  • 2 cups blueberries fresh or frozen
  • 1/4 blueberry syrup


  • Preheat oven to 375 degrees.
  • Line a 9x9 pan with parchment & set aside.
  • In mixer bowl - combine cake mix, oats & melted butter - stir on low until fully combined & crumbly.
  • Press 3/4 of the mix into your prepared dish making a nice even bottom layer.
  • Add in your blueberry syrup spreading out to evenly coat.
  • Top with blueberries.
  • Sprinkle remaining mix over the top - pressing in slightly.
  • Bake 19-25 minutes or until golden brown.
  • Cool completely before cutting.
  • Dust with confectioners sugar if desired before serving.