Combine all ingredients in a blender and puree until smooth and creamy. Add more horseradish if desired. Transfer to a glass container and refrigerate. Keeps for about 5 days. Delicious on Hiziki Potato Salad (please see Eden's recipe), coleslaw, bean or spinach salads.
Yields 1 cup, 2 Tablespoons per person
Per serving - 36 calories, 2 gram fat (51% calories from fat), 3 gram protein, 2 gram carbohydrate, 0 gram fiber, 0 milligram cholesterol, 161 milligram sodium