A stew is a combination of solid food ingredients that have been cooked in liquid and served in the resultant gravy. Ingredients in a stew can include any combination of vegetables and may include meat, especially tougher meats suitable for slow-cooking, such as beef, pork, lamb, poultry. A stew is a combination of solid food ingredients that have been cooked in liquid and served in the resultant gravy. Ingredients in a stew can include any combination of vegetables and may include meat, especially tougher meats suitable for slow-cooking, such as beef, pork, lamb, poultry.