Caribbean Oxtail Stew

Name: Caribbean Oxtail Stew
Ingredients: 3 tbsp. canola oil; 2 lb. oxtails, cut into 2″ pieces; Kosher salt and freshly ground black pepper, to taste; 3 tbsp. tomato paste; 1 tbsp. minced ginger; 6 cloves garlic, minced; 2 large yellow onions, chopped; 1 small carrot, chopped; 1 rib celery, chopped; 2 tbsp. flour; 4 cups beef stock; 1 tbsp. whole allspice berries; 4 sprigs thyme; 2 habanero chiles; 2 tbsp. light brown sugar; 1 tbsp. Worcestershire sauce; 4 scallions, roughly chopped; Cooked rice, for serving