Go Back
+ servings
blue rock candy in a bowl

Rock Candy

Course: candy, Dessert, Snack
Cuisine: American
Prep Time: 10 minutes
Cook Time: 10 minutes
Total Time: 20 minutes
Servings: 8
Calories: 284kcal
Rock Candy is such a fun treat to make and eat for holidays, parties, or any fun occasion. Learn how to make Rock Candy at home for something special to share with the family. I chose to make a blue raspberry candy, but you can make any color or flavor you like with this quick-and-easy homemade Rock Candy!
Print Recipe


  • 1/2 cup water
  • 3/4 cup light corn syrup
  • 2 cups sugar
  • 2 tsp flavoring extract I chose raspberry, but there are lots of flavors to choose from!
  • food coloring I used blue, but use any color!


  • Mix all ingredients together in a medium saucepan.
  • Stir until boiling. Once the liquid begins to boil, do not stir until finished.
  • Once boiling, place a candy thermometer in the liquid and monitor closely. when the liquid reaches 300 degrees, take off the heat and set aside.
  • Allow the mixture to cool until the bubbles quit breaking at the surface of the liquid.
  • Pour liquid onto a foil-lined (and non-stick-sprayed) baking sheet.
  • Allow to cool until fully hardened. Then break apart to the size desired.


  • TIP: I had a reader comment that a great way to keep them from sticking is shaking them in powdered sugar before sealing in an airtight container. GENIUS!


Calories: 284kcal | Carbohydrates: 75g | Fat: 1g | Sodium: 21mg | Sugar: 74g | Calcium: 4mg | Iron: 1mg