Curse of the non-stick muffin pan

As a result of my Friand incident last month, my 12 hole muffin pan is no longer non-stick, it is now the total opposite - like I've greased it with superglue - the muffins just STICK to it. I had to get a knife out tonight to excavate my baking from the pan's grip! I think the pan is going to have to be taught a lesson - banishment from our kitchen.