Cut the onion and bell peppers julienne style and slice the garlic into thin slices. Wash the skin of the lemon well and cut into thin round slices.
Mix all the ingredients of the marinade.
Cut the fish of your preference diagonally into bite-sized pieces, sprinkle with salt and white pepper, then dip and drag through the flour.
Heat a frying pan over medium heat, add onions and bell peppers, fry quickly and move to a storage container.
Add olive oil, garlic and red chili pepper to a frying pan, and when you can smell the aroma over a low heat, cook the fish skin-side down first. After browning both sides, put it on 4.
Pour the marinade into the storage container mix everything, and when cool, let sit in the refrigerator for about two hours.Key points: Put it in the fridge for about two hours and the flavor will become rich; leaving it overnight will make the flavor richer and even more delicious.