Preparation:
combine the hot water and horseradish allow to stand for 5-10 minutes, drain well, and set aside heat the butter in a saucepan, over a medium flame whisk in the flour, heat and stir until bubbly stir in heated stock and milk heat and stir until thickened slightly add sugar and salt heat and stir over a low flame for 5 minutes add horseradish, vinegar, and pepper simmer for 10-12 minutes remove from heat stir in sour cream serve warm, at once |
