Blueberry Muffins
["2 c. flour", "1 tsp. soda", "1 tsp. cream of tartar", "1/2 tsp. salt", "1/2 c. brown sugar", "2/3 c. butter or margarine, melted", "1 egg", "3/4 c. milk", "1 c. blueberries"]
["Combine.", "Pour in tin.", "Sprinkle each muffin with brown sugar or cinnamon.", "Bake at 425\u00b0 for 20 minutes."]
["flour", "soda", "cream of tartar", "salt", "brown sugar", "butter", "egg", "milk", "blueberries"]