Keeping Your Cast Iron Skillet
Maintenance is not about cleaning; it is about building a carbon-based barrier that prevents rust and sticking. Keep it dry, keep it thin-coated with oil, and never let it soak in the sink.
Consistency beats deep-cleaning
The best pan is one that is used daily. If you treat the surface with heat and oil after every session, you will rarely need to scrub it.
- Stiff-bristled brush or chainmail scrubber
- Lint-free cotton cloth
- High-smoke point oil (grapeseed or canola)
- Stovetop burner
Bone-Dry and Oiled
Water is the enemy of iron. Heating the pan on the stove until every trace of moisture evaporates before applying your final wipe of oil is what creates the protective seal.
The method.
Wash while warm
Use hot water and a small amount of mild soap while the pan is still warm to the touch. Do not soak the skillet, and never put it in the dishwasher.
Scrub the surface
Use a chainmail scrubber or stiff brush to remove food debris. If something is stuck, simmer a half-inch of water in the pan for two minutes to loosen the bond before scrubbing.
Dry completely
Wipe with a towel, then place the skillet over medium-low heat on the burner for two to three minutes. The metal should look dull and gray when all water has evaporated.
Apply the oil
Add half a teaspoon of oil to the warm skillet. Use a clean cloth to buff the oil into the entire surface, then take a second clean cloth and wipe until the pan looks nearly dry. If it looks greasy, you used too much.
Final heat
Leave the pan on the heat for another minute until it just begins to shimmer or smoke slightly. Remove from the heat and store in a dry place.
When it doesn't go to plan.
If your pan develops a sticky or gummy texture, your oil layer was too thick. Scrub it down and try again with less oil.
Store your pans with a paper towel between them if you are stacking them; this prevents scratches on the surface seasoning.
Cast iron improves with age. The black, glossy surface is the result of thousands of meals cooked over years, not a chemical coating.
The ones that keep coming up.
Is soap really okay for cast iron?
Modern mild soaps are fine. The old rule against soap dates back to when lye was a primary ingredient, which would strip seasoning. Today's detergent is safe for the pan.
What if my pan develops rust spots?
Rust is just oxidized iron. Scour the rust away with steel wool until you hit bare metal, wash it, dry it, and perform a full seasoning cycle in the oven.
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