Wipe inside
fish with kitchen paper dipped in coarse salt, leaving body cavities
clean.
Snip out gills
with kitchen scissors and trim any long spines or fins neatly.
Wash fish well,
cut diagonal slashes in flesh with sharp knife, about 2.5 cm (1 inch)
apart, and rub fish with a little lemon juice, salt, turmeric and
pepper.
Put remaining
ingredients into container of electric blender and blend to a smooth
paste (or use a mortar and pestle).
Apply to fish,
rubbing well into slashes and body cavity.
Spoon remaining
mixture over fish.
Wrap in leaves
or heavy-duty foil and make a neat parcel.
Put over
glowing coals or under a heated griller for 10 minutes on each side.
Open parcel for
last few minutes to allow excess moisture to evaporate.