Smoked Porter Braised Cajun Short Ribs

Name: Smoked Porter Braised Cajun Short Ribs
Ingredients: 2.5lbs (1.13Kg) short ribs; 2TB Cajun seasoning; 4TB vegetable oil; 1 large yellow onions, coarsely chopped; 2 carrots, coarsely chopped; 2 celery stalks, coarsely chopped; 4 garlic cloves, minced; 3 sprigs fresh thyme; ½ tsp cayenne pepper; 1 can (6oz/170g) tomato paste; 1TB Worcestershire sauce; 12oz (375ml) beer; 3 cups (710ml) beef stock; A few dashes of Tabasco sauce