Things You'll Need
Vegetable oil or shortening
Cast iron cookware heats foods quickly and cooks evenly. The metal retains heat well and lasts for many generations if you care for it properly. When grease builds up on the cookware, it needs to be cleaned from the surface. Cast iron cookware cannot be cleaned in the same manner as other types of cookware because you can lose the seasoning, which resists rust and creates a nonstick surface. Remove the grease carefully with items in your home to protect the cast iron cookware.
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Sprinkle table salt over the grease in the cast iron cookware.
Scrub the inside of the cookware with a nonabrasive sponge.
Wipe the salt out of the cast iron pan with paper towels.
Wash the cookware with hot water and a sponge.
Dry the cast iron skillet with a lint-free towel.
Coat the cast iron cookware with vegetable oil to prevent rust from forming.
Re-season cast iron cookware by coating the entire pot or pan with vegetable shortening. Place the cookware upside down onto a baking sheet. Bake the cast iron for 1 hour in the oven. Let the cookware cool and then wipe it down with a paper towel.
Never use soap, abrasives or steel wool on cast iron cookware because it will remove the seasoning.
Never soak cast iron in water or place it in the dishwasher because it will rust.