A high covered roasting pans that is oval shaped with deep sides and a large domed cover. It generally has a flat rack included on the bottom of the pan. They are available in several sizes and material, such as granite, anodized aluminum, and stainless steel. The meat is cooked with the cover on, which acts as an oven in an oven, resulting in the meat cooking more quickly and in a moister environment. This results in moist, tender meat. The deep-sided roasting pan, generally without the cover, is also used for casseroles.