In saucepan combine leeks, mushrooms, ... whipping cream. Add butter, a little at a ... and pepper. Keep sauce warm for up to 30 minutes. Serve with roast. Makes 2 cups.
In a wide skillet, bring ... tbsp. of the butter over medium heat. Add shallots ... is melted and sauce is smooth. Spoon sauce over ... peel, if desired. Makes 3 to 4 servings.