This pan was given to me recently, apparently it was with the other baking items we got from my Grandmother. It is very shallow and appears to have a no-stick coating. As you can see there's a ring around the outside as well as a depression in the center, with slanted sides.
What is this pan called, and what is it used for?

It doesn't seem to be a lid for anything else that I already had or that also came in the box of goodies. I also don't think it'd be a lid because it's no-stick and I've never seen a lid that had a no-stick coating. Not that it couldn't exist..
– Mchic1 Nov 28 '12 at 14:57