Cut fish into bite sized chunks
Put the fish pieces into a saucepan and add the two cups of water to the pan
Cook the fish for 5 minutes
Chop the tomato
Slice the onion
Add tomato, half the onion, all the spices and half the sprig of curry leaf to the saucepan
Let this all simmer slowly till the fish is well cooked
Add the coconut milk to the saucepan
Add a pinch of salt to the saucepan
Now fry the fenugreek and the rest of the onion and curry leaves in the cooking oil till the onion starts to brown
Add to the fish
Add the coconut milk to the saucepan
Add a squeeze of lemon juice and serve hot