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Flavorful Lemon Blueberry Coffee Cake Easy Homemade Recipe with Buttery Crumble Top

lemon blueberry coffee cake - featured image

A bright and cozy lemon blueberry coffee cake with a buttery, crisp crumble topping that pairs perfectly with morning coffee or brunch. This easy recipe uses simple ingredients to create a tender, flavorful cake with a delightful texture contrast.

Ingredients

Scale
  • 2 cups (240g) all-purpose flour
  • 2 teaspoons baking powder
  • Pinch of salt
  • 3/4 cup (150g) granulated sugar
  • 1/2 cup (113g) unsalted butter, softened
  • 2 large eggs, room temperature
  • 1/2 cup (120ml) buttermilk
  • Zest of 2 medium lemons
  • 1/4 cup (60ml) fresh lemon juice
  • 1 cup (150g) fresh blueberries
  • For the crumble topping:
  • 3/4 cup (90g) all-purpose flour
  • 1/2 cup (100g) brown sugar
  • 6 tablespoons (85g) unsalted butter, cold and cubed
  • 1 teaspoon cinnamon

Instructions

  1. Preheat oven to 350°F (175°C). Grease a 9×9 inch baking pan or line with parchment paper.
  2. Make the crumble topping: In a small bowl, mix flour, brown sugar, and cinnamon. Cut in cold butter with fingers or pastry cutter until coarse crumbs form. Chill in fridge.
  3. Prepare the batter: In a large bowl, cream softened butter and granulated sugar until light and fluffy (3-4 minutes).
  4. Add eggs one at a time, mixing well after each. Stir in lemon zest and lemon juice.
  5. In another bowl, whisk together flour, baking powder, and salt.
  6. Add dry ingredients to wet in three parts, alternating with buttermilk, beginning and ending with dry. Fold gently until just combined.
  7. Fold in blueberries carefully with a rubber spatula.
  8. Pour batter into prepared pan and spread evenly. Sprinkle chilled crumble topping generously over the surface.
  9. Bake for 40-45 minutes until a toothpick inserted in center comes out clean and crumble is golden. Tent with foil if topping browns too fast after 30 minutes.
  10. Cool in pan on a wire rack for at least 20 minutes before slicing.

Notes

Do not overmix the batter to avoid a tough crumb. Keep butter cold for the crumble topping to ensure a crisp texture. Use fresh lemons for best flavor. Fold blueberries gently to prevent streaking. Start checking doneness at 40 minutes, especially if using a glass pan. Crumble topping can be prepared and refrigerated up to 24 hours in advance.

Nutrition

Keywords: lemon blueberry coffee cake, crumble topping, easy coffee cake, breakfast cake, brunch dessert, lemon zest, blueberry dessert