Grapefruit Granite

Directions

1. 1
   Combine the juice and Sauternes in a medium bowl.
2. 2
   Add the sugar to taste and stir until dissolved.
3. 3
   Pour into an 8-by-10-inch pan.
4. 4
   Place in the freezer for several hours or until completely frozen.
5. 5
   Meanwhile, segment the grapefruit, discarding the membrane.
6. 6
   Cut each segment into quarters.
7. 7
   Scrape the ice with a thin-tined fork to create loose crystals.
8. 8
   Transfer to a large, airtight container.
9. 9
   Stir in the grapefruit segments.
10. 10
    Freeze again.
11. 11
    To serve, divide the granite into six dessert bowls.
12. 12
    Pour * teaspoon Grand Marnier over each and dust with zest.