Tangerine Ice

Directions

1. 1
   Put the sugar in a mixing bowl and whisk with 1 cup tangerine juice until thoroughly dissolved.
2. 2
   Stir in the rest of the tangerine juice, the lime juice, and the orange liqueur or kirsch.
3. 3
   Mix well.
4. 4
   Pour the mixture into a storage container to a depth of 1 inch, or into a zippered plastic freezer bag.
5. 5
   Cover or seal well and freeze for at least 4 hours, or preferably overnight.
6. 6
   To serve, chop the frozen mixture roughly with a spatula, then spoon into glasses.
7. 7
   Top with a little chilled Champagne if you wish.