Blueberry Muffins
["1/2 c. butter", "1 c. sugar", "2 eggs", "2 c. flour", "2 tsp. baking powder", "1/2 tsp. salt", "1/2 c. milk", "1 tsp. vanilla", "2 1/2 c. blueberries", "sugar (for sprinkling on top)"]
["Grease muffin tins.", "Cream butter and sugar.", "Add eggs, beating well.", "Combine flour, baking powder and salt; add to creamed mixture alternately with milk and vanilla.", "Crush 1/2 cup berries; add to batter.", "Fold in remaining berries.", "Spoon into muffin tin; sprinkle with sugar.", "Bake for 30 minutes at 375\u00b0. Makes 12 to 24 muffins, depending on pans."]
["butter", "sugar", "eggs", "flour", "baking powder", "salt", "milk", "vanilla", "blueberries", "sugar"]