Carrot & Fennel Sauerkraut Carrot and fennel seeds are fermented together with cabbage creating a juicy, crunchy sauerkraut, fresh and full of flavour. Fennel seeds are well known for their digestive properties and also add a unique flavour to this popular sauerkraut. Barrel aged for several months and traditionally fermented this sauerkraut is unpasteurised and naturally rich in beneficial bacteria and plays a role in supporting gut health.