Waxed Cloth Food Wrap (Made in a solar oven for bonus self-righteousness points)
...it rockets up past 200F pretty quickly even without the clips. So, at this time of year, working at midday, all I had to do was watch the time and temperature to make sure the oven didn’t get too hot. I put the tray in the oven, closed the lid (no clips, making the heating is less efficient on purpose) and waited about 10-15 minutes. The temp would quickly rise above 150F and the wax would dissolve, then I’d take it out before it got any hotter. F...