Using a food processor, puree 1/2 cup chopped onion, 4 scallions, 1 tablespoon each ground allspice and pepper, 2 teaspoons each dried thyme and ground cinnamon, 1 teaspoon each salt and sugar and a few splashes habanero hot sauce (such as Melindas). With the machine on, gradually add 2 tablespoons vegetable oil.
