Blueberry Coffee Cake - Chefwiz.com

Ingredients

• 1 cup brown sugar, packed
• ⅔ cup all-purpose flour
• 1 teaspoon ground cinnamon
• ½ cup unsalted butter, softened
• Cooking spray
• 2 cups all-purpose flour
• 2 teaspoons baking powder
• ½ teaspoon salt
• 1 cup white sugar
• 1 large egg
• 1 teaspoon vanilla extract
• ½ cup milk
• 1 cup fresh blueberries
• 2 tablespoons confectioners' sugar for dusting