Blueberry Muffins
["2 1/2 c. blueberries (fresh or frozen)", "1/2 c. butter", "1 c. sugar", "2 c. flour", "2 tsp. baking powder", "1/2 tsp. salt", "1/2 c. milk", "2 eggs", "1 tsp. vanilla", "2 Tbsp. sugar (for topping)"]
["You will need 2 regular size muffin pans."]
["blueberries", "butter", "sugar", "flour", "baking powder", "salt", "milk", "eggs", "vanilla", "sugar"]