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Blueberry buckle bars with fresh blueberries on a plate.

Blueberry Buckle Recipe

Blueberry Buckle is an old-fashioned dessert bursting with juicy blueberry flavor! This dessert is the perfect go-to for comfort food on a hot summer day!
Course Dessert
Cuisine American
Keyword Blueberry Buckle
Prep Time 15 minutes
Cook Time 45 minutes
Total Time 1 hour
Servings 9 bars
Calories 408kcal
Author Catalina Castravet


  • 1/2 cup white granulated sugar
  • 1/2 cup light brown sugar packed
  • 1/3 cup unsalted butter room temperature
  • 1 egg room temperature
  • Zest of 1 lemon
  • 1 tablespoon lemon juice
  • 1 ½ cups all-purpose flour
  • 2 teaspoons baking powder
  • 1/2 teaspoon salt
  • 1/2 cup milk
  • 1 tablespoon cornstarch
  • 1 ½ cups fresh blueberries

Crumb Topping:

  • 1/4 cup unsalted butter room temperature
  • 1/4 cup light brown sugar packed
  • 1/4 cup white granulated sugar
  • 1/4 cup all-purpose flour
  • 1/2 teaspoon ground cinnamon
  • 1/2 teaspoon ground nutmeg


  • 1 cup powdered sugar
  • 2 tablespoons lemon juice


  • Preheat oven to 350°F.
  • Grease an 8x8 pan with baking spray and set aside.
  • In a large bowl, using a hand mixer, cream together sugars, butter, egg, lemon juice, and lemon zest until fluffy.
  • In a separate medium bowl combine flour, baking powder, and salt.
  • Add to the butter mixture, alternating with milk, and mixing just until combined.
  • In a small bowl toss blueberries with 1 tablespoon cornstarch. Using a spatula, fold into the batter and spread into the prepared pan.
  • In a medium bowl, combine all topping ingredients. Sprinkle on top of the batter.
  • Bake 40-45 minutes or until a toothpick comes out clean.
  • Mix the glaze ingredients until smooth, adding 1 tablespoon of lemon juice at a time. When the blueberry buckle is cold, drizzle the glaze on top.



Calories: 408kcal | Carbohydrates: 71g | Protein: 3g | Fat: 14g | Saturated Fat: 8g | Cholesterol: 51mg | Sodium: 255mg | Potassium: 216mg | Fiber: 2g | Sugar: 51g | Vitamin A: 477IU | Vitamin C: 4mg | Calcium: 107mg | Iron: 2mg