For the gnocchi, mix all ingredients up to and including egg yolk.
Cover and let rest for one hour.
For the cherries, bring grape juice, sugar and cinnamon to a boil. Add cherries, steep just below boiling point for about 5 min.
For the gnocchi, boil the water and juice of one lemon (2), cut out balls of the gnocchi with a small ice cream scoop and mold into the lemon water. Draw gnocchi in portions just below boiling point until they rise to the surface (approx.
ten minutes). Remove, drain. Cover and keep warm.
Arrange cherries and gnocchi on plates, garnish. Serve while still warm.