On Dec 20, 12:26*pm, Jerry Avins > wrote:
> On Dec 20, 11:09*am, John Kuthe > wrote:
>
> > In my mango dessication project I am seeing m,y need for a non-
> > reactive glass or ceramic baking sheet, preferably with raised edges
> > like my old steel baking sheets. Google does not seem to know what
> > "glass baking sheet" means, and turns up all kinds of crap, like
> > Cephalon, Pyrex *steel* baking sheets, etc.
>
> > Does anyone know of a good source for true glass or ceramic coated
> > steel baking sheets? About 12x16 inches or so would be best.
>
> If you can do without the raised edges, try your local glazier.
>

I wouldn't put anything in my oven other than borosilicate glass.

I wonder if a pizza stone would fill the OPs bill.