Blueberry Muffins
["4 Tbsp. melted butter", "1 c. sugar", "1 egg", "2 c. flour", "1 Tbsp. baking powder", "1 c. milk", "1 c. blueberries"]
["Flour blueberries.", "Cream butter and sugar; add egg.", "Add flour and baking powder alternately while adding milk.", "Fold in blueberries.", "Bake in greased tins at 375\u00b0 for 25 minutes.", "Makes about 18 muffins."]
["butter", "sugar", "egg", "flour", "baking powder", "milk", "blueberries"]