SOLVED: This apparently is a baking dish. Thrift store find for my wife. But why is there a hole in the side? What is it?
(lemmy.dbzer0.com)
Oh, and it's LARGE. That's my range it's sitting on, and it covers about 2/3 of it.
Except that the crust where the window is would bake completely differently from the parts of the crust that would be touching the stoneware.