Michael Tonsmeire, known as the Mad Fermentationist, and homebrewer Nathan Zeender dive into the fascinating world of kvass, a traditional beer brewed from bread. They explore the rich history and cultural significance of this unique beverage, sharing their innovative brewing techniques that use stale rye bread. With humor, they discuss the balance of flavors in kvass and smoked beers, including inventive collaborations. Listeners will enjoy tales of experimentation and practical tips for homebrewing delicious and refreshing brews.