Pour the flour in a deep plate.
Pour the panko, salt and pepper in a deep plate and mix well.
Mix the eggs in a deep plate.
Cover the fish one by one with the flour.
Dip the fish one by one in egg batter and cover it well.
Place the fish one by one in the panko crumbles. Makes sure you cover the whole fish with crumbles.
Heat up a frying pan with butter and cook the fish on both side so the crust becomes crispy.
Cut some lemon wedges to serve on top of the fish.