Braised Short Ribs

INGREDIENTS

• 2 carrots, peeled, cut in 1/2 lengthwise, then cut into 1/2-inch pieces
• 1 bunch fresh thyme, tied with kitchen string
• 2 to 3 cups hearty red wine
• 2 bay leaves
• Kosher salt
• 6 bone-in short ribs (about 5 3/4 pounds)
• 1 1/2 cups tomato paste
• Extra-virgin olive oil
• 2 cups water
• 2 cloves garlic, smashed
• 1 large Spanish onion, cut into 1/2-inch pieces
• 2 ribs celery, cut into 1/2-inch pieces