Perhaps it was Howie's near the Bamboo Avenue:
http://www.miaminewtimes.com/restaur...eating-6566093
Stopped at a random roadside stand after YS Falls and had some of the best food of the entire trip (curry goat and fried chicken)
Sounds like you had a wonderful adventure in Negril, so when are you two going back?
Enjoy,
VVHT