Bonanza has two cafés in hip & trendy Berlin – one in Prenzlauerberg and you can find their Roastery & Public Tasting area on the Adalbertstrasse in Kreuzberg. They roast coffees with the best of old techniques combined with the best of new techniques. This search and combination is also referred to as “Retro Innovation”. And you thought roasting coffee was straightforward? We told you it’s art!