Kanji is a traditional fermented drink popular in northern India ... The vadas will soak up the fermented liquid, turning soft and flavourful. Serve chilled with chutneys for a tasty snack.

We took 5 foods: a soft cheese, sauerkraut (preserved white cabbage), kimchi (traditional Korean fermented vegetables), kefir and kombucha (a fermented tea-based drink). We gathered together ...