Published at Thursday, October 18th 2018, 10:17:51 AM by Hector Bethune. Cookware. The cookware has a heavy cast iron core which is consistent in quality and thickness up the side walls and in the lids. This creates great heat conductivity and allows the food within it to remain hot for a considerable length of time when you take it to the table. It is reputed to be able to withstand high temperatures without warping, and can be used on the stove top, in the oven or for broiler cooking.