Blueberry Muffins
["1/4 c. butter", "2/3 c. sugar", "1 egg", "1 c. milk", "2 c. flour", "2 tsp. baking powder", "1 c. blueberries", "salt"]
["Cream butter, sugar and egg.", "Add flour, baking powder and salt with milk.", "Mix in blueberries.", "Put in muffin pans.", "Bake at 350\u00b0 until done."]
["butter", "sugar", "egg", "milk", "flour", "baking powder", "blueberries", "salt"]