For the Fish:
Wash, gut and pat dry the whole fish. Stuff the cavity of the fish with all the ingredients except the fish sauce and lemon juice.
Whisk the lemon juice and fish sauce together, add the oil to it and pour the dressing over the fish.
Coat the fish with a kilo of salt and bake for 30 minutes in a moderate oven.
For the Sauce:
In a pot, combine all the ingredients, simmer till thick. Add the chopped fresh coriander leaves.
Heat the oil and very quickly stir fry the vegetables. Serve on top of the fish.