Sweet Potato Biscuits
["2 c. self-rising flour", "1/2 c. shortening", "1 boiled sweet potato", "1/2 c. sugar"]
["Knead ingredients together; roll into biscuits.", "Bake for 20 minutes at 425\u00b0.", "Yields 12 to 14 biscuits."]
["flour", "shortening", "sugar"]