Bombay Fish Pie

Ingredients

• 1kg potatoes
• 2 tsps cumin seeds
• 2 tsps mustard seeds
• 1 tsp tumeric
• 1 tsp dried chilli flakes
• 50g butter
• vegetable oil 2 tbsp
• 1 onion, finely chopped
• 1 garlic clove, crushed
• ginger 3cm, finely grated
• 1 red chilli, finely chopped
• 6 tsps korma spice pot
• plain flour 2½ tbsp
• coconut milk 400ml tin
• cod or any other white fish 200g, cut into chunks
• smoked haddock 200g, cut into chunks
• raw peeled king prawns 180g
• coriander a small bunch, roughly chopped
• Juice of 1 lime
• mango chutney to serve