Blueberry Crumble Coffee Cake Recipe - (4.5/5)

Ingredients

• for the crumble topping:
• 1/2 cup brown sugar
• 1/2 cup flour
• 1/2 teaspoon cinnamon
• 1/2 teaspoon nutmeg
• 1/4 teaspoon cardamom
• 1/4 cup butter, softened
• for the cake:
• 2 cups flour
• 2 teaspoons baking powder
• 1/4 teaspoon salt
• 3/4 cup sugar
• 1 large egg
• 1 teaspoon vanilla extract
• 1/2 cup buttermilk
• 3 cups fresh blueberries (or frozen, do not thaw!)