Sweet Potato Biscuit
["1 large sweet potato", "1 1/2 c. flour (all-purpose)", "4 tsp. baking powder", "1/2 tsp. salt", "1/4 c. shortening", "1 egg", "1 c. milk"]
["Boil and mash potato until free from lumps.", "Sift the flour, salt and baking powder.", "Add the potato and cut in the shortening. Mix to a light dough with the egg and milk.", "Roll out a little thinner than ordinary biscuit.", "Bake at 425\u00b0 for about 12 to 18 minutes until done.", "Serve hot with molasses."]
["sweet potato", "flour", "baking powder", "salt", "shortening", "egg", "milk"]