Cast iron cookware appliances refer to cooking tools and equipment made from cast iron — a highly durable and versatile material known for its excellent heat retention, even heating, and long lifespan. These appliances include cast iron skillets, frying pans, Dutch ovens, griddles, tawa, grill pans, and casserole pots that are used for a wide range of cooking methods like frying, searing, baking, slow cooking, and more.