Blueberry Lemon Muffins

Ingredients (10)

• 1 1/2 cups flour
• 1 teaspoon baking powder
• 1/2 teaspoon baking soda
• 1/8 teaspoon salt
• 1 cup packed brown sugar
• 2 eggs
• 1 cup sour cream
• 2 teaspoons pure vanilla extract
• zest of 1 whole lemon
• 1 cup fresh blueberries