01 -
Line a rimmed baking sheet with parchment or foil and lightly coat it with neutral oil spray. Set it on a heatproof surface near the stove.
02 -
Combine the sugar, corn syrup, water, and salt in a heavy 3-quart saucepan. Heat over medium heat, stirring just until the sugar dissolves.
03 -
Clip a candy thermometer to the pan. Boil without stirring until the syrup reaches 300-310°F, about 18-25 minutes depending on the pan and burner.
04 -
Remove the pan from the heat. Stand back from the steam, then stir in the food coloring and cinnamon oil until the bubbles calm slightly.
05 -
Immediately pour the hot syrup onto the prepared pan. Do not scrape crystallized sugar from the sides of the pot. Let the candy cool until completely hard, 45-60 minutes.
06 -
Crack the candy into pieces with the back of a spoon or by flexing the lined pan. Toss lightly with powdered sugar and store airtight at room temperature.