Kerala prawn curry - Good Food Middle East

Ingredients

• 2 red chillies split, cut into quarters lengthways and seeded
• 1 small red onion, chopped
• 2½ cm piece of fresh root ginger, peeled and chopped
• 1 tbsp vegetable or sunflower oil
• 1 tsp black mustard seed
• ½ tsp fenugreek seeds
• 14 curry leaves, fresh or dried
• ½ tsp turmeric
• ½ tsp cracked black peppercorns
• 250g jumbo prawns, leave some with their tails on if you like
• 150ml reduced-fat coconut milk
• a squeeze of lime
• chopped fresh coriander, plus a sprig or two
• freshly boiled basmati rice