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Cinnamon Rock Candy

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  • Author: Lidia
  • Prep Time: 10 minutes
  • Cook Time: 20 minutes (to reach 300 °F)
  • Total Time: Approximately 4 hours and 30 minutes (includes 4 hr cooling)
  • Yield: One slab, broken into many bite‑size pieces (about 2–3 dozen, depending on shard size)
  • Category: Dessert / Candy
  • Method: Candy making (hard crank via boiling sugar)
  • Cuisine: General / Holiday
  • Diet: Gluten Free

Description

A fiery, festive cinnamon-spiced rock candy—glossy, jewel‑like shards with a sweet, warming crunch.


Ingredients

  • 3¾ cups granulated sugar
  • 1 cup water
  • 1¼ cups light corn syrup
  • 1 tsp red food coloring
  • 12 tsp cinnamon oil (adjust to taste)
  • 1½ cups powdered sugar
  • Butter (for greasing)

Instructions

  1. Butter a 15×10×1‑inch sheet cake pan. Line it with parchment paper and butter the parchment too.
  2. In a large saucepan, combine water, sugar, corn syrup, and red food coloring. Stir over medium‑high heat just until the sugar begins dissolving.
  3. Clip on a candy thermometer. Boil steadily until the mixture reaches 300 °F (hard‑crack stage)—about 20 minutes. If it foams near the rim, briefly lift from heat to prevent overflow.
  4. Once at 300 °F, remove from heat. Working in a well‑ventilated space, carefully stir in the cinnamon oil.
  5. Pour the hot syrup into the prepared pan immediately. Let it cool undisturbed for at least 4 hours until fully hardened.
  6. When cooled, dust the top with powdered sugar. Flip the slab onto a cutting board, peel off the parchment, and break it into bite‑size shards. Dust with more powdered sugar if desired.
  7. Transfer the candy to an airtight container. Store at room temperature to keep it crisp and fresh for weeks.

Notes

  • Use a candy thermometer for precise sugar‑stage monitoring.
  • Avoid stirring after boiling starts to prevent crystallization.
  • If syrup foams too high, briefly remove from heat to avoid spill‑over.
  • Start with 1 tsp cinnamon oil; it’s potent—adjust carefully.
  • Greasing both pan and parchment ensures the candy won’t stick.

Nutrition

  • Serving Size: 1 piece (~10 g)
  • Calories: Approximately 40 kcal
  • Sugar: 10 g
  • Sodium: 0 mg
  • Fat: 0 g
  • Saturated Fat: 0 g
  • Unsaturated Fat: 0 g
  • Trans Fat: 0 g
  • Carbohydrates: 10 g
  • Fiber: 0 g
  • Protein: 0 g
  • Cholesterol: 0 mg