Blueberry Crumb Buckle Recipe - Details, Calories, Nutrition Information

Ingredients

• 1/2 cup all-purpose flour
• 1/4 cup packed light brown sugar
• 1/4 cup sugar
• 1/4 tsp ground cinnamon
• 1/4 cup butter, cut into small pieces
• 1/3 cup chopped walnuts
• 1 1/3 cups all-purpose flour
• 3/4 tsp baking powder
• 1/4 tsp baking soda
• 1/4 tsp salt
• 1/3 cup butter, softened
• 1 cup sugar
• 1 egg
• 1 tsp vanilla extract
• 2/3 cup buttermilk
• 2 cups blueberries, divided