Season bangus belly with lemon, salt and freshly ground black pepper.
Heat a non-stick pan over stove top in medium-high heat, add a small amount of oil and once it’s how add fish then fry skin side down. Once skin side turns golden brown, flip fish over then pan fry until slightly brown. Remove from pan then set it aside.
In a bowl combine quick melt cheese, parmesan cheese, chopped tomato, chopped red capsicum, chopped green capsicum, and minced garlic. Set it aside.
Place bangus on a lightly greased baking tray, spread mayonnaise on top of bangus then sprinkle cheese mixture on top.
Bake in a 180C pre heated oven for 15 minutes or until cheese melts and slightly golden in colour.