Sprinkle with salt and let stand for 1 hour in the refrigerator.
Put flour, beaten eggs, and bread crumbs into 3 separate shallow bowls or pans.
Roll each slice of fish in flour, then eggs, then bread crumbs.
Heat oil in frying pan. Fry slices on one side until golden brown (about 5 minutes). Then flip the slices and fry on other side until golden brown (about 5 minutes).
Garnish with lemon slices and serve.
Preparation time: 15 minutes
Waiting time (for fish to marinate in salt): 1 hour