They're good for cooking nann breads on. You can also cook nanns on a steel TawaIt seems cast iron has had a resurgence in popularity and some folks are borderline cult-like over it, but I've yet to have anyone give me a good reason to own one instead of stainless steel. They are heavy (I like to flip food), take longer to heat up, aren't responsive, react with acidic ingredients, and you can't just soak the pan to clean later since it will rust out. I don't get the appeal.