Multi-cookers that can take the place of a rice cooker, slow cooker, yogurt maker, and pressure cooker are everywhere, and now you can get accessories that expand their cooking duties even more. The ...

The set-up sounds like something out of a cheesy late-night-TV infomercial. It's a slow cooker, a rice cooker, a vegetable steamer – and it even makes yogurt, too. I was half expecting to be hit with ...