BILLI BI SOUP FROM PIERRE FRANEY OF THE NEW YORK TIMES

Steps:

• Scrub the mussels well to remove all exterior sand and dirt.
• Place them in a large kettle with the shallots, onions, parsley, salt, black pepper, cayenne, wine, butter, bay leaf and thyme.
• Cover and bring to a boil.
• Simmer 5-10 minutes, or until the mussels have opened.
• Discard any mussels that do not open.
• Strain the liquid through a double thickness of cheesecloth.
• Reserve the mussels for another use or remove them from the shells and use them as a garnish.
• Bring the liquid in the saucepan to a boil and add the cream.
• Retirn to boil and remove from the heat.
• Add the beaten egg yolk and return to the heat long enough for the soup to thicken slightly.
• DO NOT BOIL.
• Serve hot or cold.
• This dish may be enriched, if desired, by stirring 2 TBS of hollandaise sauce into the soup before it is served.