Wash apples and grate them dry. Remove the core with an apple corer. Cut apples into slices. Put apple slices and sugar syrup into a bowl and mix. Wash the grapes, drain them and pluck them from the stalks.
Cut the grapes in half and add to the apples. Wash the mint and shake dry. Add mint and ice cubes to the fruit. Fill up with sparkling wine and cider. Decorate glasses possibly with grape skewers
With 8 people: