We have three of these SUN OVENS. We use them all the time to bake potatoes, make rice, cook chicken in spaghetti sauce for chicken cacciatore, cook kidney beans or split peas for soup, cook lentils, bake yams for yam soup, and hard boil eggs. That’s right — we take a cardboard carton of a dozen eggs and place it in the sun oven. Just put the carton right in there for one hour and 15 minutes. We take the carton out and cool the eggs off — they are perfectly hard boiled and easy to peel just the way everyone likes them. They are DELICIOUS. And, yes, my favorite days to sun oven are cold, sunny days with snow on the ground. I have so many pictures of my sun oven cooking away sitting in the snow. It’s a great conversation starter with the neighbors. My sun ovens are my favorite possessions. I love them!