
Melt the butter in a large kettle. Saute the carrots, celery, and onion until tender. Add the stock and season to taste. Simmer, uncovered, for 20 minutes. Stir in the cabbage; simmer 15 minutes more or until cabbage is tender. Add the sugar and vinegar; simmer 10 minutes more. Adjust seasonings. Serve hot, with crusty loaf of dark bread. Serves 8.