http://greatgrub.com/taxonomy/term/496/0 en http://greatgrub.com/reference/cookie_sheets_insulated <p>If you are using insulated cookie sheets (two sheets of aluminum with air pocket in-between), allow 1 to 2 minutes longer to bake.</p> http://greatgrub.com/reference/cookie_sheets_insulated#comment bake cookies tip tray Tue, 10 Oct 2006 20:23:13 +0000 anon 474 at http://greatgrub.com