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Blueberry Coffee Cake

No one can resist a square of crumble-top coffee cake. This Blueberry Buckle Coffee Cake achieves both fluffiness and a buttery crisp streusel. Any fruit will work, but berries are best!

Course Breakfast, Snack
Cuisine American
Keyword coffee cake
Prep Time 10 minutes
Cook Time 45 minutes
Total Time 55 minutes
Servings 9
Calories 450 kcal



  • ½ cup 1 stick butter, softened
  • ¾ cup sugar
  • ½ cup milk
  • 1 egg
  • 1 tsp vanilla extract
  • 2 cups all-purpose flour a great place to sneak in a little whole wheat flour, I used 1/2 cup
  • 2 teaspoons baking powder
  • ½ teaspoon salt
  • 2 cups blueberries use more if large blueberries, fresh or frozen


  • 2/3 cup firmly packed brown sugar
  • ½ cup all-purpose flour
  • 1 teaspoon cinnamon
  • 6 Tablespoons butter cubed
  • ½ cup chopped walnuts


  1. Heat oven to 375°F.
  2. Butter a 9-inch square pan.

For the Cake:

  1. In a large bowl, beat softened butter and sugar until blended. Add milk, vanilla extract and egg.

  2. In another bowl, combine flour, baking powder and salt. Add to butter mixture and mix just until combined. The batter will be very thick.

  3. Carefully fold in blueberries.

  4. Scoop the mixture into buttered pan and gently press it out evenly.

For the Crumble Topping:

  1. Combine all topping ingredients in food processor or use a fork/fingers to combine until crumbles (large and small) form. Sprinkle evenly over batter.

  2. Bake at 375°F for 45 to 50 minutes or until toothpick inserted in center comes out clean.
  3. Cool 20 to 30 minutes before serving.
Nutrition Facts
Blueberry Coffee Cake
Amount Per Serving (1 g)
Calories 450
* Percent Daily Values are based on a 2000 calorie diet.