@Felthry @rey yeah I hadn't heard of the one you thought it was before, but it's described as being "ornamental" so I'm guessing it's not good eats.
https://beesbuzz.biz/food/3512-Sous-vide-black-garlic is how I went about fermenting garlic over the course of 45 days or so.
@Felthry @rey oh no I mean the fermented kind