Clean and remove scales of the fish.
Put some slits on both sides of the fish. Rub salt and pepper on the skin.
Mix flour and cornstarch on a plate. Coat the fish with the mixture.
Heat cooking oil in a pan then deep-fry the fish. Turn occasionally.
If fish meat turns golden brown. Remove from the pan then set aside.
Heat about 2 tbsp cooking oil in a pan. Add ginger and onion. Sauté until fragrant.
Add green and red bell peppers. Sauté for another 1 minute.
Add water, pineapple tidbits with juice, sugar, vinegar, and ketchup. Stir well then bring to a boil.
Add the dissolved cornstarch. Stir continuously and cook until the sauce thickens.
Combine sauce and fried fish on a serving dish.
Serve with steamed rice and enjoy your sweet and sour fish!
