I've tried the flaxseed method, and while the seasoning looked good, it was very fragile. The best method I've found over more than a decade of cooking on cast

I've tried the flaxseed method, and while the seasoning looked good, it was very fragile. The best method I've found over more than a decade of cooking on cast iron and carbon steel is this one, recommended by Matfer-Bourgeat (who make the best pans IMO) and America's Test Kitchen (at 2:00): https://youtu.be/-suTmUX4Vbk https://youtu.be/-suTmUX4Vbk