Removing Teflon from Cast Iron
In 1988, I bought a Le Crueset frying pan with a non-stick interior. I didn't know much about caring for such surfaces then, nor did I know about the health concerns of deteriorating teflon. This coating is now quite chipped and peeled. I haven't used it for many years now, and would pitch it, except, it's a Le Crueset and I paid a LOT for it.
So, can anyone suggest a way to strip the remaining coating entirely from the base so I can season it and use it as a plain cast iron pan? I'm wondering if sand- or bead-blasting would do the job, or if there may be a simpler DIY solution?