Debi,
I read your soldering iron idea and thought that was such a good idea. However, I decided to modify it and have clearly not improved on the situation. I do not know what hapened because I came inside for a few minutes and went out to check my cheese. This is what I found (image below). The gouda is on the left, the soldering iron on the right... sort of. I now have a wonderful cardboard box and plastic flavored cheese :'(. I underestimated the heat of the iron and placed the can inside the box on a flap. I believe that is what caught fire.
So, everyone learn from my mistake and don't do what I did.