On Sun, 11 Sep 2011 00:24:28 -0400, Cheryl > wrote:

>Thanks. So after you wipe it off and put it away for the next use it
>isn't grubby?

It's best to leave it in your oven at all times. It slows down the heat-up
slightly, but also stabilizes your oven temperatures.

I have two in my oven at all times -- one on the bottom (concealed heating
element) and one on the lowest of three racks.

-- Larry