Cast iron skillets cook food with awesome flavor, but once they get rusty, they’re not too easy to clean. If you want to avoid harmful cleaners and steel wool, you could try out this simple strategy from Apartment Therapy.

Here’s what you’ll need:

  • The end chunk of a potato
  • Course salt
  • Your rusty cast iron skillet
  • Veggie, canola or olive oil

For the full 10-step tutorial, head over to Apartment Therapy’s How to Clean and Season Old, Rusty Cast Iron Skillets.