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 ...

So you haven’t been seasoning your cast-iron pan—or worse, let it sit in a wet sink—and now it’s plagued with rust. Fortunately, there is an answer for how to get rust off cast iron, so don’t throw it ...