Hearty Lamb Casserole Root Veggies Cheesy Dumplings

Ingredients

• 2 lbs (900g) boneless lamb shoulder, cut into 1-inch cubes
• 2 tbsp olive oil
• 1 large onion, chopped
• 2 carrots, peeled and chopped
• 2 celery stalks, chopped
• 2 cloves garlic, minced
• 2 tbsp all-purpose flour (plus extra for dusting the lamb)
• 2 cups (475ml) beef broth
• 1 cup (240ml) dry red wine (optional)
• 1 tbsp tomato paste
• 1 tsp dried thyme
• 1 tsp dried rosemary
• 2 bay leaves
• 1 lb (450g) potatoes, peeled and cubed
• 1 lb (450g) parsnips, peeled and cubed
• 1/2 lb (225g) swede (rutabaga), peeled and cubed
• Salt and freshly ground black pepper to taste
• 1 1/2 cups (190g) all-purpose flour
• 2 tsp baking powder
• 1/2 tsp salt
• 1/4 cup (60g) cold unsalted butter, cubed
• 1/2 cup (120ml) milk
• 1/4 cup (25g) grated mature cheddar cheese
• 2 tbsp chopped fresh parsley
• 2 tbsp chopped fresh chives