Instructions: Melt 2 tablespoons butter in a large stock pot over medium heat. Add onion and caraway; saute until onion is soft, about 5 minutes. Add 2 tablespoons butter and cabbage. Cover and cook 10 to 15 minutes, until cabbage is slightly brown.

Increase heat to medium-high and deglaze the pot with sherry and lemon juice. Add vegetable broth, potatoes, carrot, pepper, and salt. Bring soup to a boil, reduce heat to medium, and simmer 15 minutes.

Meanwhile, melt 6 tablespoons butter in a small saucepan over medium heat. Whisk in flour; cook, stirring, for about 2 minutes. Gradually add warm milk; cook 3 minutes, whisking constantly.

Increase heat under soup to medium-high and bring to a simmer. The stir the milk mixture into soup - it should begin to thicken immediately. Cover and remove soup from heat. If it seems too thick, add a little more milk. To make the garnish, combine the sour cream and last 4 ingredients in a small bowl. Before serving, garnish soup with a dollop of the sour cream-horseradish mixture and additional chives, if desired. serves 10

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