No Crust Sweet Potato Pie
["4 medium cooked, mashed sweet potatoes", "1 c. sugar", "1/2 c. flour", "1/2 c. butter, softened", "1 egg", "1 tsp. nutmeg", "1 tsp. mace", "1 tsp. cinnamon", "whipped cream (for topping)"]
["Place all into a bowl; blend well.", "Spoon into a lightly greased 9-inch pie plate.", "Bake at 450\u00b0 for 25 minutes until lightly brown.", "Cool.", "Top with whipped cream."]
["potatoes", "sugar", "flour", "butter", "egg", "nutmeg", "mace", "cinnamon", "whipped cream"]