Sweet Potato Biscuits
["2 c. self-rising flour", "1/3 c. shortening", "1/2 tsp. salt", "1 c. baked mashed potatoes", "1/3 c. buttermilk"]
["Heat oven", "to", "400\u00b0.", "Grease pan.", "Sift flour; add salt to potatoes.", "Add shortening; mix milk in gradually.", "Roll out dough and", "cut", "with biscuit cutter or shape with hands.\tBake 15 minutes or until brown.", "Butter at once.", "Serve hot."]
["flour", "shortening", "salt", "potatoes", "buttermilk"]