Thanks for all the info.
I remember the recent pyrex explosion threat. I don't think I am that concerned about it exploding. The reported incidents usually involve some sort of thermal shock - hot pyrex + not so hot liquids/hot burner/cool counter etc. Pyrex in a UDS should work much as it does in an oven , right? Plus I was planning on using a pizza pan diffuser.
Cleanup is a whole diferent matter, and probably what deters me. I thought about wrapping the outside in foil, but the inside would likely still get farked up. I think I'll double up on the aluminium pans and set them over a water pan to be sure.
The decision is also easier because I used the pyrex in question to make mac & cheese today, and I'm too lazy to empty it out and wash it!
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