Ingredient:

• 1 tablespoon vegetable oil
• 4 lamb shanks
• 1 onion, chopped
• 4 cloves garlic, chopped
• 2 carrots, chopped
• 2 celery ribs, chopped
• 2 tablespoons tomato paste
• 1 (14 ounce) can beef broth
• 1 (12 fluid ounce) bottle stout (such as Guinness®) or porter
• 3 sprigs fresh thyme
• 3 sprigs fresh parsley
• 1 bay leaf
• 1 sprig fresh rosemary
• salt and pepper to taste