Lemon Blueberry Crumb Cake is a delightful dessert that combines the freshness of blueberries, the zestiness of lemon, and ing a rich, buttery crumb topping. It’s perfect for brunch, afternoon tea, or as a sweet treat anytime.


For the Cake:

  • 2 cups all-purpose flour
  • 1 teaspoon baking powder
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1/2 cup unsalted butter, softened
  • 1 cup granulated sugar

2 large eggs

  • 1 teaspoon vanilla extract
  • Zest of 1 lemon
  • 2 tablespoons lemon juice
  • 1 cup sour cream
  • 1 1/2 cups fresh blueberries

For the Crumb Topping:

  • 1 cup all-purpose flour
  • 1/2 cup brown sugar, packed
  • 1/4 teaspoon salt
  • 1/2 cup unsalted butter, melted
  • Optional: 1/2 teaspoon cinnamon for added flavor


  1. Preheat your oven to 350°F (175°C). Grease and flour a 9×9 inch baking pan, or line it with parchment paper.
  2. For the cake: In a medium bowl, whisk together 2 cups flour, baking powder, baking soda, and 1/2 teaspoon salt. Set aside.
  3. In a large bowl, cream together 1/2 cup softened butter and 1 cup granulated sugar until light and fluffy. Beat in the eggs, one at a time, then stir in the vanilla extract, lemon zest, and lemon juice.
  4. Gradually add the flour mixture to the wet ingredients, alternating with the sour cream, starting and ending with the flour mixture. Fold in the blueberries gently.
  5. Pour the batter into the prepared baking pan, spreading it evenly.
  6. For the crumb topping: In a small bowl, combine 1 cup flour, brown sugar, 1/4 teaspoon salt, and melted butter. Mix until crumbly. If desired, add cinnamon. Sprinkle this crumb mixture evenly over the cake batter.
  7. Bake for 45-50 minutes, or until a toothpick inserted into the center of the cake comes out clean.
  8. Remove from the oven and allow the cake to cool in the pan for about 10 minutes, then transfer to a wire rack to cool completely.
  9. Serve the Lemon Blueberry Crumb Cake as is, or with a light dusting of powdered sugar on top.

Nutrition Facts (per serving)

  • Calories: 350-400
  • Fat: 18g
  • Carbohydrates: 45g
  • Protein: 5g

Prep and Cooking Time

  • Prep Time: 20 minutes
  • Cooking Time: 45-50 minutes


  • Serves: 9-12

This Lemon Blueberry Crumb Cake offers a perfect balance of sweet and tart flavors, complemented by a rich, buttery crumb topping. It’s a delightful treat that’s sure to impress and satisfy any sweet tooth. Enjoy it as a special dessert or a delicious part of your brunch spread!

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