Candy cooked until it reaches the hard-crack stage

I believe the answer is:

toffee

(Other definitions for toffee that I've seen before include "Chewy stuff" , "Chewy confectionery" , "Chewy sweet" , "Caramel" , "Sticky sweet" .)

I've seen this clue in The New York Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.