The Science of Cookware: What Does 3-Ply, 5-Ply, and 7-Ply Mean? We love it when people ask what 3-ply, 5-ply, or 7-ply means. Not just because it flatters our innerContinue readingThe Science of Cookware: What Does 3-Ply, 5-Ply, and 7-Ply Mean?