blueberry muffins

Ingredients For blueberry muffins

• 2 c

  all-purpose flour
• 2/3 c

  plus 2 tbsp sugar, divided
• 1 1/2 tsp

  baking powder
• 1/2 tsp

  baking soda
• 1/4 tsp

  salt
• 1 c

  sour cream
• 1/4 c

  milk
• 1/4 c

  vegetable oil
• 1

  egg, lightly beaten
• 1 tsp

  grated orange peel
• 1 tsp

  vanilla extract
• 1 c

  blueberries
• 1/2 tsp

  ground cinnamon