Kir Royale Sorbet

Directions

1. 1
   Stir water and sugar in heavy medium saucepan over medium heat until sugar dissolves.
2. 2
   Increase heat and bring mixture to boil.Pour mixture into medium bowl.
3. 3
   Mix in 5 tablespoons creme de cassis.
4. 4
   Chill mixture 2 hours.
5. 5
   Stir Champagne into sorbet mixture.
6. 6
   Process sorbet mixture in ice cream maker according to the manufacturer's instructions.
7. 7
   Transfer sorbet to container; cover and freeze until firm, about 2 hours.
8. 8
   (Can be prepared 2 days ahead: keep frozen.)
9. 9
   Freeze 4 martini glasses or Champagne coupes for 1 hour.
10. 10
    Scoop sorbet into frozen glasses.
11. 11
    Garnish with small cluster of grapes, if desired, and serve.