Somewhere in America right now, a cornbread is baking in a skillet older than the oven it sits in, older than the house around the oven, and quite possibly older than anyone in the family that owns it. Nobody thinks this is strange. That's simply what cast iron does: it outlasts.
The average nonstick pan survives about three years before the coating scratches, flakes, and sends it to the landfill. A cast iron skillet made in 1920 — back when foundries like Griswold and Wagner poured them thin and machined them glass-smooth — will still be frying chicken in 2120 if someone bothers to wipe it out and oil it now and then.
Ask around any small-town church potluck and you'll hear the same story with different names attached: the skillet came from a grandmother, who got it from her mother, who got it as a wedding gift when Coolidge was president. It has fried Sunday chicken through a Depression, two wars, and eleven presidents. The handle is worn shiny in the exact spot where four generations of hands have gripped it.
Food writers like to talk about seasoning — the slick black patina of polymerized oil that builds up over decades of use. But the seasoning on an old family skillet is more than chemistry. It's a record. Every fried egg and batch of biscuits added a molecule-thin layer to it. You are, quite literally, cooking on your family's history.
Cast iron survives because it's simple. There's no coating to fail, no rivets to loosen, no electronics to obsolete. Rust, the only real enemy, surrenders to steel wool and a little oil. Antique dealers will tell you that even skillets left in barns for forty years — orange with rust, caked in grime — restore to full service in an afternoon.
There's a lesson in that, and Americans seem to be relearning it. Sales of cast iron have climbed steadily for a decade, and the old pans — the ones with a century of Sunday dinners already in them — now sell at estate auctions for more than new ones cost. We've apparently remembered something our grandparents never forgot: the best things in a house aren't the newest ones. They're the ones built to be handed down.