Make three –four diagonal cuts in each side of the fish, all the way right through the bone. Season fish with salt, pepper, and squeeze some lemon over it. Set aside
Prepare plantain leaves
Cut the banana leaves into large rectangles, remove any ugly edges, submerge them in water to clean and drain pat- dry. Use aluminum paper if banana leaves are not available
The leaves must be heated and wilted over an open high flame to make them flexible.
Place the fish on the leaf, season with the entire spices divide equally among fish, and add onions and tomatoes.
Then quickly fold banana leaves over it, and press sides into a rectangle shape making sure to press inwards so none of the juice from the fish runs out.
Then fold the sides in to seal twice. You may use a rope to tie the bundle or place in foil paper. Repeat the process and set them.
Bake fish for about 12-20 minutes depending on fish whole fish takes longer.
Remove, let it cool and open check for doness.