... some catsup, a clove of garlic, pepper and salt, stew them till done, thicken the gravy with a lump of butter rubbed into brown flour. A hash may be made of any kind of meat that has been cooked, but it is not so good, and it is necessary to have a gravy prepared and seasoned, and keep the hash over the fire only a few minutes ... — The Virginia Housewife • Mary Randolph