In cooking, stuffing or dressing (specifically for poultry)'s a substance used to fill a cavity in another food item. Many foods are stuffed, including meats, vegetables, and fruits. History It isn't known when stuffings were first used. The earliest documentary evidence's the Roman cookbook Apicius, which contains recipes for stuffed chicken, hare, pig, and dormouse. Most of the stuffings described consist of vegetables, herbs and spices, nuts, and spelt (an old cereal), and frequently contain… (More on Stuffing)