Railway lamb curry - Good Food Middle East

Ingredients

• 8 garlic cloves, crushed
• thumb-sized piece ginger, finely grated
• 2 tsp turmeric
• 800g leg of lamb on the bone, cut into bite-sized pieces
• 3 tbsp vegetable oil
• 10-12 curry leaves
• 1 onion, finely chopped
• 450ml lamb stock
• 1 medium potato, peeled and cut into chunks
• 250ml coconut milk
• 2 tsp tamarind paste
• rice or roti, to serve
• 1 tbsp coriander seeds
• 2 tsp fennel seeds
• 1 tsp cumin seeds
• 6-7 dried Kashmiri chillies (or mild dried red chillies), stalks removed