Hard Rock Candy

Directions

1. 1
   In a medium size saucepan, mix together sugar, water and Karo syrup.
2. 2
   Put over medium heat, stirring constantly until it comes to a full rolling boil.
3. 3
   Put in candy thermometer.
4. 4
   Let boil; do not stir until it reaches hard crack.
5. 5
   Remove from heat.
6. 6
   Add flavored oil; add drops of food coloring to make color.
7. 7
   Stir and pour into a buttered cookie sheet.
8. 8
   Let set until hard, then crack with a hammer.
9. 9
   Can coat with powdered sugar, if desired.