Saag gosht with lamb and spinach

Ingredients

• 1 1/2 lb (700 g) lambs meat (shoulder or leg)
• 2 lb (900 g) spinach
• 3 1/2 oz (100g) ghee
• 4 dried Asian chillies
• 3 cloves
• 1 medium stick cinnamon
• 5 green cardomom pods
• 1 tbsp coriander seeds whole
• 2 tsp coriander seeds ground
• 2 tsp cumin seeds whole
• 1 tsp cumin seeds ground
• 2 large brown or red onions
• 3 large tomatoes
• 1 tsp ginger grated or diced
• 3 tsp garlic minced
• 1/2 tsp turmerac
• 1/2 tsp garam masala
• 2 tbsp sliced fennel or cellery leaves
• two cups (500 ml) meat broth
• 1/2 cup cream or yoghurt
• salt
• black pepper
• 2 tbsp fresh coriander leaves