Originally Posted By: jmwking
Try oven cleaner (Easy Off). My wife did much the same to our frying pan. Probably took 20 rounds - spray on, leave 15-20 minutes, gently wash/rinse, repeat. Tedious, but you'd never know she'd scorched pan.
I just this moment booted up my computer to ask if I should dare to try oven cleaner. It seems an obvious choice, but I was concerned that it might damage the finish on the pan beyond what the Barkeeper's Friend would restore.

I am encouraged that it worked for you, and will give it a try.

tanstaafl.
_________________________
"There Ain't No Such Thing As A Free Lunch"