Prep: Lightly grease a baking sheet or line it with parchment paper.
Combine: In a medium saucepan, mix sugar, corn syrup, and water.
2 cups granulated sugar, ¾ cup light corn syrup, ½ cup water
Cook: Heat the mixture over medium-high heat, stirring until sugar dissolves.
2 cups granulated sugar
Boil: Stop the stirring for a moment and bring to a rolling boil. Use a candy thermometer from here on.
Reach Hard Crack Stage: Continue boiling until temperature reaches 300°F (149°C), the hard-crack stage.
Remove from Heat: Take the mixture immediately off the heat. Add food coloring and Red Hot Cinnamon flavor extract. Stir swiftly and without pause, until all ingredients are distributed evenly.
1 teaspoon red food coloring, 2 tablespoons Red Hot Cinnamon flavor extract
Pour: Pour the liquid candy onto the prepared baking sheet.
Cool: Let cool completely.
Break & Dust: Once firm, crack into bite-sized pieces. Dust with powdered sugar to prevent sticking.
Powdered sugar
Serve: Enjoy your homemade Red Hot Cinnamon Hard Candy. Keep any leftover candies stored in an airtight container, or it will get sticky.