How to Clean and Season a Cast Iron Skillet (at Home or at Camp)

Cleaning, after every use

Do it while the pan's still warm — it's easiest then. Rinse with hot water and work the surface with a stiff brush, a plastic scraper, or a chain-mail scrubber. Stuck-on food doesn't need soaking; either scrub it with a tablespoon of coarse salt as an abrasive, or simmer a little water in the pan for a minute to lift it.

Then the step everyone skips and then blames the pan for: dry it completely. Towel it, then set it on a warm burner for a minute until every trace of moisture is gone. Water left sitting is the only thing that actually rusts cast iron. Finish with a thin — thin — wipe of oil while it's still warm.

On the soap question: a little modern dish soap won't strip a well-seasoned pan; the seasoning is polymerized oil bonded to the metal, not a greasy film soap can wash away. But you rarely need it. What you never do is soak it, run it through the dishwasher, or leave it wet in the sink.

Seasoning, when it needs it

Seasoning is just baked-on oil that gives the pan its slick, dark, non-stick surface. Re-season when food starts sticking, when the finish looks dull or patchy, or after a rust scrub. To do it: rub a very thin coat of a neutral high-smoke-point oil over the whole pan — inside, outside, handle — then wipe it back off so it looks almost dry. Bake it upside down in a 450–500°F oven for an hour (put foil underneath to catch drips) and let it cool in the oven. One round restores a pan; a few rounds builds a tough, glassy finish on a new or stripped one.

Rust rescue

A rusty pan isn't dead. Scrub the rust off with steel wool or a chain-mail scrubber until you're back to bare gray metal, wash, dry hard, and re-season as above. Pans left for dead in garages come back to life this way all the time.

Doing it at camp — no sink, no soap

This is where most guides go quiet, because they've never had to. Cleaning cast iron in the field is actually simpler than at home — you just skip the sink.

While the pan's still warm, pour in a little hot water from the kettle and scrape it out. And don't fret if you forgot a scrubber — out in the woods we never carried one. A fistful of dead twigs snapped off the ground, a pinecone, or a handful of coarse sand scours a pan as well as any chain-mail, and there's a pile of it lying right at your feet. A metal spatula or chain-mail scrubber is a nice convenience; nature's version is free. The warmth does most of the work either way. Toss the dirty water well away from camp and the water source. For anything really stuck, set the pan back over the fire with an inch of water and let it boil for a minute, then scrape. No dish soap needed, and you wouldn't want to haul it anyway.

Then the part that matters most outdoors: dry it right over the fire. Set it on the grate for a minute until it's bone dry and just starting to smoke — moisture left overnight in the cold is how you find an orange pan in the morning. Wipe a thin coat of oil on while it's warm, and it's ready for tomorrow. To re-season in the field, rub the oil on and leave it over the coals until it smokes lightly. That's the whole routine.

Caring for the skillet and Dutch oven from our camping cookware picks? This is the routine that keeps them alive for decades.