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A serving spatula with a slice of cake on it.
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Blueberry Buckle Cake

Savor the comforting flavors of homemade goodness with irresistible Blueberry Buckle cake - a moist blueberry cake base bursting with juicy blueberries and topped with a buttery brown sugar crumbly streusel topping. This one bowl, old-fashioned dessert is sure to become a favorite.
Course Dessert
Cuisine American
Keyword blueberry buckle
Prep Time 15 minutes
Cook Time 45 minutes
Total Time 1 hour
Servings 12
Calories 316kcal
Author Jessica - Together as Family

Ingredients

Streusel Topping

  • 2/3 cup all-purpose flour
  • 1/2 cup packed light brown sugar
  • teaspoons ground cinnamon
  • 3 tablespoons salted butter (softened and sliced thin)

Blueberry Buckle Cake Batter

  • 2 cups all-purpose flour
  • 1 cup granulated sugar
  • 2 teaspoons baking powder
  • 1 large egg
  • 2/3 cup whole milk
  • 1/2 cup (1 stick) salted butter (melted & cooled, see notes)
  • 1 teaspoon vanilla extract
  • 1 cup frozen blueberries (do not thaw)

Instructions

  • Preheat the oven to 375 degrees F. Line a 9x9-inch square baking pan with parchment paper or spray lightly with nonstick cooking spray. Set aside. 
  • Make The Streusel : In a medium bowl, whisk together the flour, brown sugar, and ground cinnamon until combined. Add in the sliced butter and use clean hands, a fork, or a pastry cutter to cut in the butter, until a crumbly mixture forms.
    2/3 cup all-purpose flour, 1/2 cup packed light brown sugar, 1½ teaspoons ground cinnamon, 3 tablespoons salted butter
  • Cover the bowl with plastic wrap, or a lid, and place it in the fridge while you prepare the cake batter.
  • Make The Blueberry Buckle Cake Batter : In a large bowl, whisk together the flour, granulated sugar, and baking powder until combined. 
    2 cups all-purpose flour, 1 cup granulated sugar, 2 teaspoons baking powder
  • Add in the egg, milk, melted butter, and vanilla extract. Use a silicone mixing spatula to gently mix everything together until a lumpy batter forms and no flour pockets remain in the batter. 
    1 large egg, 2/3 cup whole milk, 1/2 cup (1 stick) salted butter, 1 teaspoon vanilla extract
  • Gently mix in the frozen blueberries, making sure to not overmix and bleed the blueberry color into the batter. 
    1 cup frozen blueberries
  • Evenly spread the cake batter into the prepared pan. Remove the streusel from the fridge and evenly sprinkle it over top the cake batter. 
  • Bake : Bake for 35-40 minutes or until the streusel is golden brown. You may want to loosely lay a piece of aluminum foil over the cake halfway through the bake time so the edges don't burn. 
  • Remove the cake from the oven and place it on a cooling rack. Allow the cake to cool for 10-15 minutes inside the pan, and then slice and serve the blueberry buckle cake warm or you can let it cool completely and serve it at room temperature. 

Nutrition

Calories: 316kcal | Carbohydrates: 50g | Protein: 4g | Fat: 12g | Saturated Fat: 7g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 3g | Trans Fat: 0.4g | Cholesterol: 45mg | Sodium: 98mg | Potassium: 150mg | Fiber: 1g | Sugar: 28g | Vitamin A: 376IU | Vitamin C: 1mg | Calcium: 66mg | Iron: 2mg