Carbon steel cookware has certainly taken off since I first raved about my de Buyer carbon steel pan four years ago, and it’s a good thing. I can honestly say that my pan is still going strong today and it is by far the one I reach for the most. Curious about carbon steel, how it differs from cast iron, and how hard it is to maintain? And what about carbon steel knives? Are they worth the small amount of extra maintenance? We did some investigating and rounded up everything you need to know about carbon steel in the kitchen.