01 -
Grease a baking sheet with cooking spray, line it with parchment paper, and grease the parchment to prevent sticking.
02 -
Insert a wooden stick halfway into the stem end of each apple to use as a handle for dipping.
03 -
In a medium heavy-bottomed pot over medium-high heat, combine sugar, corn syrup, red food coloring, and water. Bring to a boil and cook until the candy thermometer reads 300° to 310°F, approximately 15 to 20 minutes.
04 -
Remove the pot from heat and wait 30 seconds to 1 minute until bubbles subside. Quickly and carefully coat each apple by dipping it into the hot syrup, then transfer to the prepared baking sheet.
05 -
Allow the candy coating to cool completely and harden before serving.