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Slice of blackerry coffee cake with streusel topping.

Blackberry Coffee Cake

Moist and tender Blackberry Coffee Cake is the perfect spring brunch or dessert. This sour cream cake batter is studded with juicy berries and a hint of lime zest, then finished with a buttery streusel and citrus glaze.
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Prep Time: 20 minutes
Cook Time: 40 minutes
Total Time: 1 hour
Servings: 8
Calories: 474kcal

Ingredients
 

For the cake:

  • 2 cups all purpose flour
  • 3/4 cup granulated sugar
  • 3 teaspoons baking powder
  • 3/4 teaspoon salt
  • Zest of 1 lime
  • 1/4 cup butter (softened)
  • 1/2 cup sour cream
  • 1/4 cup milk
  • 1 egg
  • 1 teaspoon vanilla extract
  • 2 cups blackberries
  • 1 1/2 Tablespoons flour

For the streusel topping:

  • ½ cup granulated sugar
  • ¼ cup brown sugar
  • cup flour
  • ¼ cup cold butter (cubed)
  • Pinch salt

For the glaze:

  • ½ cup powdered sugar
  • Juice of ½ lime
  • Zest of ½ lime
  • Pinch salt

Instructions

  • Preheat oven to 350 degrees. Grease an 8 or 9 inch springform pan with cooking spray and line with a parchment round, if desired.
  • In a mixing bowl or the bowl of an electric mixer, whisk together flour, sugar, baking powder, salt, and lime zest.
  • Add the softened butter, sour cream, milk, egg, and vanilla to the bowl and beat on low speed until moistened, then increase the speed and beat until a thick, batter forms. There may still be some small lumps of butter. That's okay.
  • Toss the blackberries with the 1 1/2 Tablespoons of flour, then very gently stir them into the batter. Scoop the batter evenly into the prepared pan. Note: I find it easiest to scoop small portions around the pan then join them together, since the batter is thick and hard to spread.
  • For the topping, combine the sugars, flour, and salt in a bowl. Use a pastry blender or your fingers to cut the butter into the flour mixture, working it in until the mixture resembles coarse crumbles. Sprinkle the crumble mixture evenly over the batter.
  • Bake for 40-45 minutes or until the cake is golden and lofted and a toothpick inserted in the center comes out clean.
  • While the cake cools, whisk together the powdered sugar, lime juice, and zest. Add a pinch of salt, to taste. Release the cake from the springform pan, drizzle with the glaze, and serve.

Notes

  • You can use fresh or frozen blackberries. Do not thaw the blackberries before tossing them into the batter.
  • Substitute blueberries or raspberries for the blackberries if you prefer.
  • The lime zest and juice can be substituted for lemon.
  • This is a thick batter that is difficult to spread. Use a gentle hand when stirring in the blackberries so they don't break apart or stain the batter purple. When transferring to a pan, scoop out batter around the entire pan then gently bring it together.
  • You can also bake this in an 8 or 9 inch square pan. 8 inch pans will take 5-10 minutes longer to bake.
Course Breakfast, Brunch, Dessert
Cuisine American
Keyword blackberry coffee cake, blackberry coffee cake with streusel, blackberry crumb cake

Nutrition

Calories: 474kcal | Carbohydrates: 79g | Protein: 6g | Fat: 16g | Saturated Fat: 9g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 4g | Trans Fat: 0.5g | Cholesterol: 60mg | Sodium: 487mg | Potassium: 150mg | Fiber: 3g | Sugar: 48g | Vitamin A: 563IU | Vitamin C: 8mg | Calcium: 141mg | Iron: 2mg
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