Just follow the directions on the bottle and be sure to remove the thermostat and turn heater on high. I couldn't believe it worked lol. 2005 Acura Tl.

It is flimsier than I had hoped. But it should meet my needs for cookies but nothing too heavy like a butternut squash or roast. The edges are rolled but sharp. I will need to remind myself of that when I am washing/cleaning it up after using it.