Cookware Cookware Churchill Super Vitrified Crockery Cookware is an attractive oven-to-tableware range that combines vital performance with contemporary understated design. Featuring a high thermal shock resistance to reduce breakages, Cookware offers excellent heat retention properties and is oven, microwave and dishwasher safe.Designed for hospitality environments. Microwave and dishwasher safe. Fully glazed base with a superior glaze finish. BS4034, BS8654, BS12875.