Cooking oil Sprinkle thawed fish fillets with salt and pepper. In a bowl beat together egg and water. In a separate bowl, combine potato flakes and salad dressing mix. Dip fish into egg mixture and then coat with potato flake mixture. Add fish when oil is hot, and fry for 4-5 minutes on each side over moderate heat until golden brown.
Fish is done when it flakes apart easily when tested with a fork.
Drain on absorbent paper.