Rock Candy

5 ingredients
11 steps

Ingredients

  • 1 8 -inch square pan (Note: this pan will be ruined for anything else in the future.)
  • Butcher's twine
  • 1 1/2 cups granulated sugar
  • 1 cup water
  • Sugar thermometer

Directions

  1. 1
    Punch holes at the top edge of a thin 8-inch square pan so that you will be able to lace 7 strings from one side of the pan to the other.
  2. 2
    Place the laced pan in a pan deep enough to catch any leaking syrup.
  3. 3
    Dissolve 2 1/2 cups of sugar in 1 cup water and cook without stirring to the hard-ball stage, 247 degrees to 252 degrees.
  4. 4
    Pour the syrup into the laced pan.
  5. 5
    It should reach a level about 3/4-inch above the strings.
  6. 6
    Cover the surface with a piece of foil.
  7. 7
    Watch and wait.
  8. 8
    The syrup may take as long as a week to crystallize.
  9. 9
    Lift out the laced pan.
  10. 10
    Cut the strings and dislodge the rock candy.
  11. 11
    Rinse quickly under cold water and put on racks to dry in a very low-temperature oven.

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