Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
     1/2           cup  champagne vinegar
  1           teaspoon  green peppercorn
     1/4           cup  shallot
     3/4           cup  cream
  1           teaspoon  creole mustard
  2          teaspoons  unsalted butter
  2          teaspoons  flour
  1                cup  unsalted butter

Preparation:

combine vinegar, green peppercorns, and shallots in a saucepan, over a moderately-high flame bring to a boil and simmer until reduced to 2 tablespoons add cream and creole mustard bring to a boil, reduce heat, and simmer for 2 minutes combine 2 tablespoons butter and flour-knead to a soft paste break into small pieces and quickly whisk into sauce, one at a time heat and stir vigorously until thickened, without boiling strain through a fine chinois cover with a layer of melted butter, to keep a skin from forming cover and keep warm by placing over, not in, a water bath

Nutritional Information:

219 Calories (kcal); 24g Total Fat; (94% calories from fat); 1g Protein; 2g Carbohydrate; 67mg Cholesterol; 10mg Sodium