separate the yolk from the egg white and egg white in a blender with the sugar and mix well until smooth and set aside- in the meantime broken biscuits well and mix with butter and brush on a tray that can be open- put the yolk in a food processor with the Vanilla and add a little cheese and mix until smooth and then put the batter back- mix all together and put on a biscuit- bake in the oven at 350 for about an hour and then go out and leave to cool a little then put In the fridge- before serving place the sauce as desired and serve cold-