Cooks prepare fresh vegetables. Cooks prepare, season, and cook a wide range of foods, which may include soups, salads, entrees, and desserts. Duties Cooks typically do the following: Ensure the freshness of food and ingredients Clean work areas, equipment, utensils, and dishes Cook, handle, and store food or ingredients Cooks usually work under the direction of chefs, head cooks, or food service managers.