Homemade Sauerkraut, Fermented Cabbage, Hapukapsas is a very important and popular dish in Estonia during the autumn-winter time and mandatory food during Christmas time.
In ancient time, Hapukapsas and cranberries were only sources of C vitamin, during winter time.
Sauerkraut is fermented food and this is not the only a source of vitamin, but this is also a source of the probiotic bacterium and this is excellent for your health.
By the way, ancient Estonians believed, that Sauerkraut succeeds best, during New Moon. So, 7th of December is the right time to test it 🙂