Combine the egg, gelatine,
cornflour, cranberry juice and
1 tablespoon cold water. Stir well
to blend. Add the boiling water,
and mix together thoroughly.
Purée the cherries in a blender or
food processor, add the gelatine
mixture, yogurt and sugar, and
blend until smooth.
Chill for 4–6 hours to set. Blend
again just before serving.
