Sweet Potato Pie
["3 potatoes, peeled, sliced and boiled", "2 c. sugar", "5 eggs, beaten", "1/2 lb. real butter", "1 tsp. vanilla", "2 (9-inch) pie crusts"]
["Drain and mash sweet potatoes.", "Add sugar, beaten eggs and butter.", "Mix well and add vanilla.", "Pour into two 9-inch pie crusts.", "Bake 30 to 45 minutes at 350\u00b0."]
["potatoes", "sugar", "eggs", "butter", "vanilla"]