Put a quarter of a pound of butter into a stewpan, and when melted add six ounces of flour, stir well together over a slow fire a few minutes; when cool, add one quart of milk, and two quarts of stock; stir over a fire until boiling; having previously filleted two soles, add the bones and trimmings to the soup, with four cloves, one blade of mace, two bayleaves, one spoonful of essence of anchovies, one ditto of Harvey sauce, half a saltspoonful of cayenne, a little sugar and salt if required; let the whole boil quickly for ten minutes, keeping it well skimmed, cut each fillet of sole into six pieces, put them into another stewpan, with half a handful of picked parsley, pass the soup through a hair sieve over the fillets, boil again ten minutes, add a gill of cream and it is ready to serve.