Key Lime Crunch

This recipe began as a joke on Top Chef. I was notoriously anxious about the Quickfire Challenges. I had a deep fear that I’d choke and have produced nothing when it was my turn to face the judges. Early in the season, late one night around the dinner table, I told some of the chefs that if all else failed, I’d make “Puppy Chow.” I was met with puzzled looks. This chocolate peanut butter cereal snack, which I’d thought was popular among teenage girlfriends everywhere, is apparently n