Instructions: In a saucepan cook the shallot in the butter over moderately low heat, stirring, until it is softened, add the wine, and boil the mixture until the wine is almost evaporated. Remove the pan from the heat and whisk in the sour cream, the mustards, the watercress, the water, and salt and pepper to taste. Serve the sauce at room temperature with poached fish or

steamed or grilled vegetables.

Makes about 2 cups.

If you would like to email yourself the recipe for later use, or share the recipe with your friends or family, enter the email addresses below and this recipe will be emailed to you and others as well.