Season the ribs:
Combine mashed garlic with oregano, allspice, salt, cayenne in a small bowl. Rub
over the ribs, and let sit for at least 2 hours, or overnight.
Searing:
Heat the oil in a large skillet, dredge the ribs in flour, cook, turning, until
golden brown: 8 minutes. Add the brown sugar, continue to cook until the sugar
melts and coats the ribs. REMOVE.
Add the carrots, celery, onion, and lastly the chopped garlic, and sauté for 5
minutes. Add red wine, and cook for 3 minutes, then add the chicken stock,
tomato paste, and rosemary. Return the ribs to the pan, reduce heat, COVER, cook
2 hours.
Remove ribs, reduce the sauce UNCOVERED, until thick, puree with an emersion
blender (10 minutes).
Stir in the chocolate and the nibs.
Garnish with rosemary and cilantro; serve with some Salpicon, and white rice.