Rock Candy

Directions

1. 1
   Mix water, Karo syrup, and sugar in a saucepan.
2. 2
   Boil to 310 degrees, stirring occasionally.
3. 3
   While it's boiling, cover two cookie sheets with powdered sugar.
4. 4
   After it reaches 310, turn off heat.
5. 5
   Add food coloring and flavor.
6. 6
   Stir until blended. Pour evenly into two cookie sheets and let it sit until it hardens. Crack with the end of a butter knife.
7. 7
   Store in an airtight container.