Remove meat from the fish careful not to poke through the skin. Reserve skin. Mix ½ cup of soy sauce and season with lemon juice and black pepper and marinate the fish skin for at least 1 hour
Saute the rest of the ingredients in a pan except the banana leaf.
Refill the bangus skin and tie with string to close. Cover with banana leaf and tie with banana string. Roast in oven for 30-40 minutes.