Lime Granita

Directions

1. 1
   In a small saucepan, combine sugar with 3 cups water.
2. 2
   Bring to a boil.
3. 3
   Reduce heat and simmer for 5 minutes.
4. 4
   Chill for 1 hour.
5. 5
   Stir in lime juice and zest.
6. 6
   Pour mixture into a shallow metal cake pan and freeze, crushing and stirring the lumps with a fork every 30 minutes for 2 to 3 hours, or until it has a slushy, granular texture.
7. 7
   Serve immediately.