Slow-Cooker Braised Lamb Shanks

INGREDIENTS

• 1 yellow onion, diced
• 2 celery stalks, diced
• 2 carrots, peeled and diced
• 3 garlic cloves, crushed
• 2 cups chicken stock
• 1 cup peeled, seeded and chopped tomatoes
• 2 Tbs. tomato paste
• 1 tsp. chopped fresh thyme
• 1 bay leaf
• 4 lamb shanks, external fat trimmed
• Salt and freshly ground pepper, to taste
• 2 Tbs. olive oil
• 1 cup red wine