I read on another board today that you can clean your cast iron skillet by placing it in a cold oven. Turn heat up to 500° and let it go for two hours; then let it cool and scrape off the residue.
Also, if you have a self cleaning oven - just put it the oven and set your oven for clean. When cool remove and scrape off the residue. Has anyone ever done this? Thanks for any information or thoughts on this.