Blueberry Muffins
["1/4 c. margarine", "1/2 c. sugar", "7 Tbsp. water", "1/2 tsp. vanilla", "1 tsp. baking powder", "1 c. plain flour", "1 egg white", "1 c. canned blueberries, drained or fresh"]
["Strawberries, blackberries or raspberries may be substituted."]
["margarine", "sugar", "water", "vanilla", "baking powder", "flour", "egg", "blueberries"]