For me it's a combo of the seasoning and the jerk cooking method. Grilled chicken with jerk seasoning is not jerk chicken. The same way you can order BBQ chicken but if it is baked or grilled with BBQ sauce on it you're like... uh this is not BBQ chicken this is chicken with BBQ sauce.
Seasoning, wet rub, paste... usually all terms used interchangeably so that's what I mean.
The steaming that happens between the wood and the cover creates very moist chicken, and pimento oils are released from the wood. And charcoal is always used as the fire, far below in the pit.
The seasoning just needs some of the essentials like allspice, scallion, thyme, scotch bonnet (or any superhot as far as I'm concerned). Soy sauce, OJ, sugar, all that stuff, do as you please. Even the thyme.
Use some of the basics of the seasoning, and some of the basics of the cooking, and to me that is more jerk than 100% seasoning and grilling or smoking (or baking! lol).
If you're gonna grill, use greyed coals and cook indirect if you can't cook high above the fire like they do on street rigs. Direct flame grilling and smoking will not yield results like real jerk.
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