Red Wine-Braised Short Ribs

Ingredients

• 5 pounds 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-ml 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