Clean and wash the white cabbage and cut into fine strips. Wash, peel and chop beetroot and carrots. Peel onions and cut into fine cubes. Heat the oil in a large pot and fry the onions in it.
Add the vegetables, sauté briefly and season with salt, pepper and cumin. Pour in broth, bring to the boil and simmer covered for 25-30 minutes. Meanwhile wash dill, dab dry and chop finely, except for something to garnish.
Season the finished soup with salt, pepper and red wine vinegar to taste. Serve sprinkled with dill.