Enamelware Large Round Tray20 inch Large Tray, 3 inches deep Porcelain enamel fused on carbon steel, our products are durable and can be cut on, used in the oven, on the stove top, under the broiler and on the grill. The steel content makes them unsuitable for microwave use. Golden Rabbit enamelware is also dishwasher and freezer safe, food safe, and passes all FDA requirements. Wait for enamelware to cool before placing in cold temperatures, and do not soak in water. Should a