Blueberry Cinnamon Muffins

Ingredients (16)

• TOPPING:
• 1/4 cup oats
• 2 tablespoons brown sugar
• 1/2 teaspoon cinnamon
• MUFFINS:
• 1 cup granulated white sugar
• 1/4 cup (1/2 stick) butter,
• 2 large eggs
• 1 teaspoon vanilla extract
• 2 cups all purpose flour
• 1 teaspoon baking soda
• 1/2 teaspoon baking powder
• 1/2 teaspoon salt
• 1/2 teaspoon cinnamon
• 1¼ cups low fat buttermilk
• 1 cup fresh blueberries