How to Clean Cast Iron (Without Ruining the Seasoning)
To clean cast iron, wash it while it's still warm with hot water and a brush (a little mild soap is fine), scrub off any stuck-on food, then dry it completely on the stove and wipe on a thin coat of oil. The myth that you "can't use soap" is outdated - the real rules are no long soaking, no dishwasher, and always dry it fast. Here's the full routine, including rust removal and how to clean enameled cast iron.
Or skip seasoning entirely.
Enameled cast iron gives you the same heat retention with a smooth enamel surface — nothing to season, ever.
How to clean bare cast iron (everyday)
- Clean while warm. Food releases easiest right after cooking, once the pan has cooled enough to handle.
- Use hot water and a brush. A stiff nylon brush or a chainmail scrubber and hot water handle most messes. A little mild dish soap is fine on a well-seasoned pan.
- Tackle stuck-on food with a paste of coarse salt and a few drops of water as a gentle abrasive, or simmer a little water in the pan for a minute to loosen it.
- Dry completely - on heat. Towel-dry, then set the pan on a warm burner for a couple of minutes so every trace of moisture evaporates. This is the step that prevents rust.
- Wipe on a thin coat of oil. A whisper-thin layer of high-smoke-point oil before storing keeps the seasoning healthy.
What to avoid
- Long soaking - water sitting in the pan is the fastest route to rust.
- The dishwasher - it strips seasoning and rusts bare iron.
- Harsh scouring powders - they wear down the seasoning you've built.
- Air-drying - always dry on heat, not in a rack.
How to remove rust and restore a pan
Rust isn't the end of a cast iron pan. Scrub the rusty areas with steel wool, a stiff brush, or a baking-soda paste. For heavy rust, soak the pan briefly in a 50/50 vinegar-and-water solution, then scrub - don't leave it longer than an hour, or the acid will pit the metal. Rinse, dry completely on heat, then re-season the bare metal to bring it back to life.
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Shop the Nori Dutch OvenThe easy alternative: cleaning enameled cast iron
Enameled cast iron is far simpler to clean - there's no seasoning to protect. Wash it with warm soapy water and a soft sponge; for stubborn stains or light scorching, make a baking-soda paste or simmer water with a spoonful of baking soda, then wipe clean. Avoid abrasive pads and metal scourers so you don't dull the enamel, and it won't rust no matter how you dry it.
Alva's enameled cast iron range (the Nori line) gives you cast-iron cooking with this easy cleanup - PFAS-free, lead-free enamel, lifetime warranty. Try the Nori Dutch Oven or the enameled cast iron tagine, and compare in our best cast iron guide. Not sure which capacity to get? Start with what to look for in a Dutch oven. Buying for a cook who loves cast iron? Our best cast iron gifts guide has ideas.
Frequently asked questions
Can you use soap on cast iron?
Yes — a little mild dish soap is fine on well-seasoned cast iron. The old warning dates from when soap contained lye, which genuinely did strip seasoning; modern washing-up liquid does not touch polymerized oil. What actually damages the surface is long soaking, the dishwasher and harsh scouring powders.
How do you get rust off cast iron?
Scrub the rust with a stiff brush, steel wool, or a baking-soda paste. For heavy rust, soak briefly in a 50/50 vinegar-water solution and then scrub — but no longer than an hour, or the acid starts pitting the metal. Rinse, dry completely on heat, and re-season the bare areas.
How do you clean enameled cast iron?
Warm soapy water and a soft sponge. For stains or light scorching, make a baking-soda paste or simmer water with a spoonful of baking soda, then wipe clean. Skip abrasive pads and metal scourers, which dull the enamel over time, and let the pan cool before washing so the enamel is not thermally shocked.
Can cast iron go in the dishwasher?
No — not bare cast iron, and we do not recommend it for enameled either. Hot alkaline detergent strips seasoning from bare iron and the long wet cycle invites rust within a single wash. Enamel survives chemically, but knocks against a loaded rack are what chip it. Hand-wash both.
Why is my cast iron sticky after cleaning?
Too much oil left on the surface. The oiling step should leave the pan looking almost dry — wipe it on, then wipe it back off. If it has already gone tacky, scrub the sticky layer back with hot water and a brush, dry on heat, and re-oil with a much thinner coat.
How do you remove stuck-on food without scratching?
Simmer an inch of water in the pan for a minute or two to loosen it, or make a paste of coarse salt and a few drops of water and scrub with a cloth — the salt is abrasive enough for food but not for seasoning. Do not reach for a scouring powder, and do not leave the pan to soak.
The bottom line
Clean bare cast iron warm, dry it on heat, and oil it lightly - that's the whole routine. Or skip the upkeep with enameled cast iron, which just needs soap and a sponge. See our safety standards.
Tired of the seasoning routine?
The Nori enameled cast iron range gives you the same heat retention with nothing to season and nothing to rust — Dutch ovens, skillets, braisers and the tagine, all lifetime-warrantied. Free U.S. shipping over $99.
Worth the cleanup: crispy skillet fried chicken, skillet queso dip and sausage and peppers.
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