Sweet Potato Casserole
["3 c. cooked mashed sweet potatoes", "1 c. sugar", "1/2 c. evaporated milk", "1 egg", "1/2 tsp. salt", "2 tsp. vanilla", "1/4 c. butter"]
["Mix and pour into dish."]
["potatoes", "sugar", "milk", "egg", "salt", "vanilla", "butter"]