Sweat 1/2 head chopped cabbage and 2 each chopped celery stalks, leeks, carrots and parsnips in oil. Add thyme, 1 tablespoon tomato paste, a bay leaf and 10 cups beef broth; simmer 30 minutes. Add 4 diced roasted beets and 2 cups shredded cooked beef; simmer 15 minutes. Top with sour cream and dill.
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