Blueberry Banana Bread

Ingredients (13)

• 1 3/4 cups all-purpose flour
• 1 teaspoon baking powder
• 1/2 teaspoon salt
• 1/8 teaspoon baking soda
• 1/2 cup unsalted butter,
• 1 cup granulated sugar
• 2 large eggs,
• 1 cup mashed brown bananas
• 1/4 cup buttermilk,
• 1 teaspoon vanilla extract
• 1 cup blueberries
• 1 tablespoon flour,
• 3 tablespoons turbinado sugar