Tandoori Fish - Patrick Holford

Ingredients

• 2 tsp garam masala
• 1 tsp ground cumin
• 1 tsp ground coriander
• 1 tsp ground turmeric
• 1 tsp finely ground sea salt
• 1 tsp grated fresh root ginger
• 1 garlic clove, crushed
• 2 tbsp finely chopped fresh coriander
• juice of half a lemon
• 6 tbsp natural yoghurt
• 4 x 150g (just over 5oz) line-caught cod loin fillets, boned and skinned