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Blueberry Crumb Cake

Freshly baked blueberry coffee cake slice with crumb topping.
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A tender, buttery crumb cake filled with wild blueberries and topped with a sweet cinnamon streusel. Perfect for breakfast, brunch, or dessert with coffee or ice cream.

Ingredients

Scale
  • 5 tablespoons unsalted butter, softened
  • 3/4 cup granulated sugar
  • 1 large egg
  • 1 teaspoon vanilla extract or vanilla bean extract
  • 2 cups (255 grams) all-purpose flour
  • 1 1/2 teaspoons baking powder
  • 1/4 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1/2 cup buttermilk
  • 2 cups fresh wild blueberries

For the Crumb Topping

  • 4 tablespoons butter, room temperature
  • 1/2 cup brown sugar
  • 1/3 cup all-purpose flour
  • 1/2 teaspoon ground cinnamon

Instructions

  1. Prep the oven and pan.
    • Position a rack in the center of the oven and preheat it to 375°F. Grease and flour a 9-inch square baking pan.
    Greased and floured 9-inch baking pan for blueberry crumb cake.
  2. Make the batter.
    • Mix the butter, sugar, and eggs. Beat the butter and sugar together with an electric mixer until light and fluffy, or about 3 minutes. Add the egg and vanilla and beat until blended.
    • Combine the flour, baking powder, and salt in a bowl and stir to blend. Add approximately one-third of the dry mixture to the first mixture, using half of the milk. Beat until smooth. Repeat this process with the remaining 1/3 of the dry mixture and the remaining milk. Add the last of the flour mixture and beat just until smooth.
    • Fold the blueberries into the batter.
    Prepare the batter for the blueberry crumb cake: adding wild blueberries.
  3. Spread the batter in the pan.
    • Spoon the batter into the prepared baking pan and spread gently.
    Spread the blueberry crumb cake batter in the baking pan.
  4. Make the topping.
    • Combine 4 tablespoons of unsalted butter with the brown sugar, 1/3 cup of flour, and cinnamon; blend with a fork or your fingers to make the crumb topping.
    • Sprinkle the topping mixture over the cake batter.
    Blueberry crumb cake batter is topped with a brown sugar crumble topping.
  5. Bake the cake.
    • Transfer the cake to the oven and bake for 25 to 35 minutes or until it springs back when lightly touched. A toothpick should come out clean when inserted into the center of the cake.
    Baked blueberry crumb cake.
  6. Serve.
    • Slice the cooled cake and serve on small plates with extra berries or a scoop of ice cream.
    A slice of blueberry crumb cake on a small dessert plate.

Nutrition

Find it online: https://classic-recipes.com/blueberry-crumb-cake/