* For us Southern girls who grew up being told to NEVER EVER wash your cast irons with soap...scrub your cast iron with coarse salt and a soft sponge. The salt is a natural abrasive and will absorb oil and lift away bits of food while preserving the pan's seasoning. Rinse away salt and wipe dry. FINALLY!!!!
Also on these boards
Easy way to clean rusty cast iron grill grates.
How To Season a Cast-iron Skillet ~ just in case.