Moroccan Lamb Shanks With Sweet Potato Recipe

Ingredients

• olive-oil spray
• 4 small lamb shanks
• 1 large onion, roughly chopped
• 5 garlic cloves, crushed
• 2 tsp cumin seeds, crushed
• 1/2 tsp smoked paprika
• 1 large cinnamon stick
• 1 1/2 Tbsp tomato purée
• 200ml stock or water
• 400g can chopped tomatoes
• 600g sweet potatoes, roughly chopped
• 400g can chickpeas, drained and rinsed
• Large handful coriander, finely chopped