Welcome to Sandor Katz's no-desk, new-ways school! There are no tests, no rules - just happy, hungry people learning how to make fermented food. All they need are their favorite vegetables, salt, and the TINY WILD. These invisible microbes change cucumbers into crunchy pickles, and cabbages into zingy-zangy sauerkraut and kimchi.

At Noma--four times named the world's best restaurant--every dish includes some form of fermentation, whether it's a bright hit of vinegar, a deeply savory miso, an electrifying drop of garum, or the sweet intensity of black garlic. Fermentation is one of the foundations behind Noma's extraordinary flavor profiles. Now René Redzepi, chef and co-owner of Noma, and David Zilber, the chef who runs the restaurant's acclaimed fermentation lab, share never-before-revealed...