A glass lid is ideal for my stay-outside-cooker because it is heavy enough to stay put on windy days. It can survive pelting rain. And it is clear enough so I can watch my food cooking. I already had this glass window so I used what I had.
I don’t bother switching the glass lid with the trash can lid each night because the glass has been so durable. I know this because of the numerous times I forgot to make the switch! Because the glass is always in place my solar cooker is always on. I just have to remember to load it with food.
My son thinks every day is good day to bake cookies so he bakes one cookie a day when his finishes his school work. Of course, mom and dad do not mine if he cooks one for them as well.
My cardboard box cooker (pictured in the my post, “What’s a Reflector”) has a roasting bag because I needed the cooker to be as light as possible. A turkey-size Reynolds roasting bag makes a nice lid that will last about a year. They are sold for about $1 each. I buy them on sale in November.
At 19″x 23-1/2″, this is the largest bag available. For convenience, I made my cooker with the outer box at the same size and the inner box 1-1/2″ smaller than the turkey-size bag. The bag can be split and opened to make a larger box cooker, but the plastic sags a little and it is awkward to carry a bigger box in and out of the house daily.