Red Wine-Braised Short Ribs

Name: Red Wine-Braised Short Ribs
Cuisine: American
Ingredients: 5 pound bone-in beef short ribs, cut crosswise into 2" pieces; Kosher salt and freshly ground black pepper; 3 tablespoons vegetable oil; 3 medium onions, chopped; 3 medium carrots, peeled, chopped; 2 celery stalks, chopped; 3 tablespoons all-purpose flour; 1 tablespoon tomato paste; 1 (750-milliliter) bottle dry red wine (preferably Cabernet Sauvignon); 10 sprigs flat-leaf parsley; 8 sprigs thyme; 4 sprigs oregano; 2 sprigs rosemary; 2 fresh or dried bay leaves; 1 head of garlic, halved crosswise; 4 cups low-salt beef stock