Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1                    egg
   2      tablespoons   prepared mustard
     1/2  teaspoon      salt
                        instant potato flakes to -- coat
   1 1/2  pounds         -- ¥
   2      lbs           white fleshed fish -- fillets (sole,
                        -- flounder, orange roughy)
                        vegetable oil

Preparation:

Lightly beat together the egg, mustard, and salt in a shallow dish. Put the potato flakes in another shallow dish. Dip the fish fillets in the egg mixture; the roll in potato flakes to coat. Heat oil in a large skillet. Fry fish for 3-4 minutes on each side, until it is golden brown and flakes easily with a fork.