Rock Candy

Directions

1. 1
   Mix first 3 ingredients in a large heavy saucepan.
2. 2
   Stir over medium heat until sugar dissolves.
3. 3
   Boil, without stirring, until temperature reaches 310° or until drops of syrup form hard brittle threads in cold water.
4. 4
   (Candy thermometer recommended.)
5. 5
   Remove from heat.
6. 6
   When boiling stops, add flavoring and food coloring.