Cook in vegetable stock. Put a few beet cubes aside, puree the rest.
Wash the soup greens, clean and cut into small pieces. Peel and finely dice the potatoes. Add the vegetables to the soup, season with salt, pepper and paprika powder.
Shape the mince into small balls and let them simmer gently in the hot soup.
Fold in the sour cream before serving, season again if necessary.