Sweet Potato Pie
["1 stick butter", "2 tsp. flour", "2 eggs, beaten", "3/4 c. sugar", "1 tsp. vanilla", "1 small can Carnation milk", "1 small cooked mashed sweet potato"]
["Mix all ingredients.", "Strain to remove potato strings.", "Pour into unbaked pie shell.", "Bake at 300\u00b0 until firm in center."]
["butter", "flour", "eggs", "sugar", "vanilla", "Carnation milk", "potato"]