When it's not tended to, even the newest cast iron pan can develop rust, which many people assume is the end of its life. However, even the worst rust damage can be cleaned away with ketchup ...

At a cast-iron manufacturer in South Carolina, vintage skillets and other items arrive the worse for wear — and return to their owners with a gleam.

One of the best indicators that your cast iron pan needs reseasoning is a loss of shine to the pan or if there are any signs of rust. Reseasoning also works on cast iron pans that you may have ...