As kitchen tools go, the Brod & Taylor Folding Proofer sounds like a one-trick pony. But the proofer proves it’s a master at multitasking: Not only does it help bread and pizza dough rise at a steady temperature, but it also provides the right temperature for making yogurt. And as more kitchen wizards are making their own fermented foods at home, the Proofer facilitates the processes of creating sauerkraut, cheese, and even tempeh from scratch. $