By Jeremy Round
Whizz chicken breast in a food processor until it forms a smooth paste. Stir in sherry, cream, pepper and crumble in the cheese. Keep chilled until you are ready to go on to the last stage.
Quickly brown the outsides of the medallions on a very hot griddle or in a pre-heated, preferably heavy non-stick, frying pan. Take out of the pan. Divide the mousse between t