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How to make rock candy on a string

Hard Rock Candy Recipe

  • Author: Alana
  • Total Time: 20 minutes
  • Yield: 8 candies 1x


Easy rainbow hard rock candies for any occasion. The instructions below are point-form. For more detailed instructions please scroll up on this page.

Forming Time: At least 6 hours to 1 week


  1. 4 cups water
  2. 8 cups white granulated sugar
  3. Optional: 4 drops food coloring, 4 different colors
  4. Optional: 1 teaspoon flavoring extract or oil, 4 different flavors

Kitchen tools you’ll need:

  1. 8 wooden skewers
  2. 8 or more clothespin
  3. 8 tall narrow glass or jar


  1. Prepare your materials
  2. Make the sugar syrup
  3. Add flavors and colors to the syrup
  4. Let cool
  5. Leave in a cool place
  6. Allow the sugar crystals to grow


Please scroll up for much more details on each step of the instructions.

Although this recipe only takes about 20 minutes to complete, it can 6 hours to one week for the crystals to finish forming. 

  • Prep Time: 20 minutes
  • Cook Time: 0 minutes
  • Category: Candy
Cook Til Yummy