For the Jerk Marinade:
1 cup water
8 to 12 ounces Scotch bonnet peppers (227-340g), stemmed (see notes)
6 ounces (170g) scallions (about 3 bunches), ends trimmed and roughly chopped
4 ounces fresh ginger (113g), peeled and roughly chopped
1/2 medium yellow onion (4 ounces; 113g), roughly chopped
1 whole head garlic (about 1 1/2 ounces; 45g), cloves peeled
1/4 cup Diamond Crystal kosher salt (1 1/4 ounces; 36g); for table salt, use half as much by volume or the same weight
1 ounce (28g) fresh thyme sprigs (about 1/4 cup), thicker woody stems removed
2 tablespoons whole allspice berries
2 tablespoons (30ml) browning, such as Grace brand (optional)
For the Jerk Pork:
One 6 to 8 pound (2.7kg to 3.6kg) skin-on bone-in pork butt (bone-in shoulder roast)
Kosher salt and freshly ground black pepper
2 cups (473ml) jerk marinade (from above)
1 bunch (about 2 loosely packed cups) fresh allspice leaves (or fresh bay or banana leaves), soaked in water for 10 minutes, drained, then bruised with a back of a knife (see notes)
4 Pimento wood chunks, briquettes, or 2 cups wood chips, soaked in water for 10 minutes then drained (see notes)
For Serving:
16 festivals
Pickled Scotch bonnet peppers
Ketchup