Wonder yogurt

My search for the perfect yogurt incubator is over.

Meet Wonderbag, a portable slow cooker. It made its puffy, boldly colorful appearance at our house after I saw it in action at a friend’s place. I love it. The Wonderbag is a heat-retention cooker: you can bring any slow-cook recipe to a boil on a stove, then pop it inside the bag where it continues to cook because of the bag’s foam insulation. No plugs or gas involved — in other words, less fossil fuel use per every meal! And because of the same insulating capacity, the bag can be used for any project that requires maintaining a steady temperature, such as yogurt, which needs to be kept at about 110 F for a few hours. I don’t have a gas oven with a pilot light I could use, so in the past, I’ve used a plastic camping cooler filled…