Tramontina Cast Iron Dutch Oven Set – Costco Sale! by Rhonda December 13, 2021 December 13, 2021 *UPDATE* 7/13/21. Besides looking stunning in teal or red, the Tramontina Cast Iron Dutch Oven from Costco is a versatile choice for preparing slow-cooked soups, stews, sauces, casseroles and more.… 0 FacebookTwitterPinterestEmail