1/4 cup bottled horseradish (drained and squeezed dry in a towel) |
1 tablespoon white wine vinegar |
1 teaspoon sugar |
1/2 teaspoon dry english-style mustard |
1/2 teaspoon salt (or to tastes) |
1/2 teaspoon white pepper (or to tastes) |
1/2 cup heavy cream (chilled) |