How to Get Rid of a Burned Tea Kettle

A cast iron skillet that had been in 500 degree oven for two hours, just out of habit just grait burnished. It was all smooth, but it never blistered. Carmin told me an interesting thing. She worked in kitchens, you know, and they had a pot of mustard that they kept in in an ice bath for burns. And she said, that hot tengit's ice cold mustard. But you got to get on it immediately.