Don t let the pan air dry. Scrub the pan with a potato.
Even a well seasoned pan can rust if it s left in the sink to soak put in the dishwasher allowed to air dry or stored in a moisture prone environment.
How to get rid of rust on cast iron cookware. Scour the skillet until the area returns to raw cast iron. Place it on the cast iron cut side down and scrub the salt in to remove rust. Wash the skillet thoroughly.
Wipe off any excess water with a towel immediately after rinsing. Without the protective layer of carbonized oil called seasoning cast iron is susceptible to rust. To get your skillet bone dry pop it on the burner to remove extra moisture.
Scrub with bristle brush gentle scouring pad or mesh sponge if needed. If the rust appears to be thin and light you can often get away with using mild abrasives you probably already have in your kitchen. To prevent rust never soak cast iron in water put it in the dishwasher or scrub with metal scouring pads or harsh cleansers.
Since cast iron is so vulnerable to rust it s best to limit your pan s exposure to water as much as possible. Our cast iron cookware is made of a mix of pig iron steel and alloys. To do so submerge your entire pan in a mixture of equal parts white vinegar and water.
Remove all the rust. The vinegar will dissolve the rust but once that s gone the vinegar will go to town on the original cast surface of the pan. How to fix a rusty cast iron pan use a gentle detergent scrub such as bon ami or bar keepers friend to clean off the rust or any acid damaged spots.
Cut a potato in half. But for cast iron with a thick layer of rust you ll need to remove the seasoning entirely. If the skillet has a thick layer of rust and very little visible black iron soak the pan in a 50 50 solution of white vinegar and water in a plugged sink.
Rinse well and dry thoroughly. The possible pitting that can result is irreversible so pull your pan. Use fine steel wool to remove rust from affected areas.
For mild rust try scrubbing with baking soda. Allow the pan to soak checking on it frequently to see if the rust has been removed this could take up to eight hours. Let it sit for at least an hour but no.
Let cool and remove excess grease with a paper towel. For example to use baking soda as an abrasive sprinkle a small amount onto the surface of the pan along with some water. The potato will be coarse enough to rub away rust as you rub the salt into the cast iron.
Wash the cast iron with warm water and mild dish soap.