¼ cup dry white wine 2 tablespoon finely chopped shallot 1 tablespoon white wine vinegar 2 tablespoon heavy cream ¾ cup cold unsalted butter, cut into 2-Tbsp. pieces 2 teaspoon Dijon-style mustard Salt and white pepper
¼ cup dry white wine 2 tablespoon finely chopped shallot 1 tablespoon white wine vinegar 2 tablespoon heavy cream ¾ cup cold unsalted butter, cut into 2-Tbsp. pieces 2 teaspoon Dijon-style mustard Salt and white pepper