Sweet Potato Pie
["1 1/2 c. sweet potatoes", "1 1/2 c. sugar", "3 eggs, beaten", "2/3 c. Pet milk", "1 tsp. vanilla", "10-inch unbaked pie shell", "1 stick margarine"]
["Boil potatoes until soft, then beat potatoes and margarine well.", "Take beater off and rinse to avoid potato string in mixture.", "Do not scrape off.", "Add sugar; beat well.", "Add milk, eggs and vanilla; beat well.", "Pour into pie shell.", "Cook at 350\u00b0 in preheated oven for 45 minutes, or until pie shakes slightly in middle."]
["sweet potatoes", "sugar", "eggs", "Pet milk", "vanilla", "shell", "margarine"]