This is a more modern, post-war rendition of what was a common dish for the working class. Ovens were unavailable to most people, so this would have been prepared on the stove or served at a canteen.
Sauerkraut soup was made throughout Germany, though the Upper-Rhine may claim the dish as its own. At least Alsace claims to have invented Sauerkraut. This recipe comes in many variations, and this is a standard version.
Lentil soup is a common dish in Germany, with only slight variations between regions. Here is a basic version of the dish.
A simple springtime soup made with wild garlic. Known as Bärlauch in German, the green leaves and their strong garlic flavor appear in marshy land in early spring and persist until the beginning of summer, making it a very seasonal flavor.
A spread for bread with cream cheese and german wild garlic (Bärlauch)