Persian Lamb Shanks

Bahan-bahan (4 porsi)

• 4 lamb shanks (, about 300g/10oz each (Note 1))
• Salt and pepper
• 1 - 2 tbsp vegetable oil ((or canola))
• 1 large onion (, sliced (yellow, brown))
• 6 cloves garlic (, chopped)
• 1 litre / 4 cups water
• 500 ml / 2 cups chicken broth
• 2 medium tomatoes (, chopped)
• 1 tsp turmeric
• 3/4 tsp salt
• 1/4 tsp + 1/8 tsp nutmeg
• 1/4 tsp + 1/8 tsp cardamom powder
• 1/2 tsp cinnamon
• 1/8 tsp extra cinnamon (, extra for later)
• 1/4 tsp saffron threads ((Note 2))