Sweet Potato Pie
["2 1/2 c. mashed potatoes", "1 c. sugar", "1 stick butter", "3 egg yolks", "1 tsp. nutmeg", "1/2 tsp. cloves", "1/2 c. milk"]
["Mix all together and fold egg whites with beater. Bake at 350\u00b0 in unbaked pie shell."]
["potatoes", "sugar", "butter", "egg yolks", "nutmeg", "cloves", "milk"]