Sweet Potato Balls
["6 medium sized sweet potatoes", "1 Tbsp. sugar", "1 tsp. salt", "1/4 lb. butter", "marshmallows", "shredded coconut or crushed cornflakes"]
["Boil sweet potatoes until tender (canned potatoes can be used as well).", "Remove skin and beat potatoes until fluffy.", "Add sugar, salt and butter.", "Form ball over marshmallow and roll in shredded coconut or crushed cornflakes and bake in moderate oven until golden brown.", "Best when served chilled."]
["potatoes", "sugar", "salt", "butter", "marshmallows", "coconut"]