Why should you scrub/clean cast iron cookware with salt?
I've seen this a number of times (for example here, or here at cooking.SE), and I do it at home, but I'd like to know for what reason salt is good for cleaning (cast) iron cookware.
I know it's a stop-gap measure when a non-stick pan looses it's coating (I can't find the reference).
Best Answer
The purpose for cleaning with salt is that it is an abrasive, and helps remove anything sticking to the pan, without being harsh enough to remove the seasoning.
Its not a stop-gap measure for poor seasoning; it is intended to preserve the seasoning. The main issue is avoiding soaps and detergents which would tend to remove the seasoning that makes cast iron fairly non-stick.
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Quick Answer about "Why should you scrub/clean cast iron cookware with salt?"
To prevent rust and extend the life of a cast iron skillet, it's best not to use soap to clean it. Instead, use a about a tablespoon of coarse salt to scrub the pan after a meal. The salt breaks up bits of stuck food and residue on the skillet.Does scrubbing cast iron with salt Remove seasoning?
For Minor Rust Care: While the piece is still warm (but able to handle) pour a coarse grain salt or sea salt in the piece. With a half of a potato or piece of leather scrub the cast. Rinse, heat and repeat as needed to pull out the rust and buff any surface area.Does salt remove rust from cast iron?
First, let's address any concerns: is salt bad for your pan? (The answer is no, but let's dive a little deeper.) Although salt is hard, it's still softer than cast iron, so it doesn't risk scratching the surface of your skillet.Does salt ruin cast iron?
Putting your cookware in the dishwasher or using harsh detergents or abrasive scrubs will break down the seasoning, removing the nonstick coating and flavor-enhancing properties of your cast iron.How To CLEAN A Cast Iron Skillet With SALT!!
Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.
Images: Erik Mclean, Milan, Erik Mclean, NOHK