Heat ghee in a large pot over medium heat. Add curry leaves and cook, stirring until fragrant.
Add cinnamon, fennel seeds, cardamom and fenugreek and cook, stirring until aromatic.
Add the eschallots, garlic and season with salt and continue to cook, stirring continuously until eschallots are soft. Add green chilli, paprika, turmeric and curry powder – cook, stirring until spices start to stick to the pan. Add fish stock and sweet potato.
Bring to the boil and cook until sweet potato is tender. It should be cooked but still quite firm.
Remove sweet potato and whole spices with slotted spoon or spider and put into shallow tray to cool down quickly.
Add coconut cream to curry sauce and season to taste.
With the sweet potato – pick through and remove the cinnamon and cardamom. Be sure to remove all seeds and the quill.
Keep sauce and potato separate. Re-heat for service after cooking the fish.
Combine rice and water in a rice cooker and season with salt. Cook according to rice cooker instructions.
Pol Sambal (Coconut)
Combine grated coconut, maldive fish, chilli powder, chopped onion and crushed black pepper in a mortar. Pound with pestle until well mixed. Add lime juice a little at a time to taste, season with salt.
Place all ingredients into a bowl. Mix together checking taste.
Blanch tomatoes in a large saucepan of boiling water for 10-12 seconds, transfer tomatoes to a bowl of iced water to cool, drain.
Cut tomatoes in quarters and scrape out seeds. Chop tomatoes into 2cm dice.
Season fish skin with sea salt. Cook fish 2 at a time on a flat grill plate, skin-side down for 2-3 minutes or until skin is crisp. Transfer to a tray, keep warm.
Combine curry sauce and sweet potato in a large saucepan and re-heat.
Bowl of coconut sambal
Bowl of yoghurt raita
10 lime halves wrapped in muslin
Pot of re-heated curry sauce
Coriander cress, picked
Cooked basmati rice
20 fried curry leaves
Extra grated coconut to serve
Spoon raita and coconut sambal among condiment serving dishes with lime halves.
Spoon curry sauce into bowls and top with tomato and coriander cress.
Spoon rice onto plate and top with fish. Spoon a little grated coconut over the fish and top with fried curry leaves, then place curry sauce bowl onto plate.