It can happen to the most seasoned of home cooks: You turn away from your eggs for just a moment and — suddenly — they've burned to the bottom of your beautiful cast-iron pan. Even worse? Perhaps a ...

Q: I have a cast-iron skillet that I have been using for a few years. It has brown, rust-colored stains that don’t come off, no matter what I do. I’ve tried kosher salt and a small chain, soap, a ...