Best Blueberry Muffins
["1/2 c. soft butter", "3/4 c. sugar", "2 eggs", "2 c. flour", "2 tsp. baking powder", "1 tsp. vanilla", "1/2 c. milk", "2 c. blueberries"]
["Cream butter and sugar until fluffy.", "Beat in eggs.", "Mix remaining ingredients just until blended.", "Do not beat.", "Fold in blueberries.", "Fill 12 greased muffin cups.", "Sprinkle with sugar. Bake at 375\u00b0 for 25 minutes."]
["butter", "sugar", "eggs", "flour", "baking powder", "vanilla", "milk", "blueberries"]