Combine salt, pepper and flour in a small plastic bag. Put fish fillet slices into plastic bag and give it a shake to coat with flour mixture.
Heat enough oil in a wok until hot, then deep-fry the fish slices until light golden brown and crispy. Remove onto a serving plate.
Put salad sauce ingredients into a small mixing bowl. Add in shallots, coriander leaves, kaffir lime leaves and bird´s eye chillies to mix. Pour the sauce over the fried fish fillet slices. Serve immediately.