Waxed Cloth Food Wrap (Made in a solar oven for bonus self-righteousness points)
...d be perfect for this project. Now, with the sun higher, 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 d...