In the Sammons Preston Catalog, there are dishes available that will help keep warm food warm and they are called "Keep-a-Temp Dish and Bowl". They range in price from $12.75 to $13.25. They may be worth the investment! Sammon Preston's toll free number is 1-800-323-5547. They have a catalog that is available for free. Sincerely, Bonnie Cunningham NPF