1 cup juice from 3 medium oranges
 1/2 cup sugar
 1 1/4 cup sparkling wine
 1 T lime juice
 Whisk orange juice and sugar in large bowl until sugar dissolves.
 Stir in wine and lime juice and pour mixture into 2 ice cube trays.
 Freeze mixture until firm, at least 2 hours (can transfer frozen
 cubes to zipper-lock plastic bags and freeze up to 1 week).  Just
 before serving, place single layer of frozen cubes in bowl of food
 processor fitted with steel blade.  Pulse 10 or 12 times or until no
 large chunks of ice remain.  Scoop crystals into individual bowls.
 Repeat with remaining ice cubes and serve immediately.
 From the May/June 1994 issue of Cook’s Illustrated