Preheat oven to 400F° . Have ready a baking sheet with parchment paper or oil the sheet before placing the fish on it.
Mix parsley and lemon peel in bowl and set aside.
Using two bowls, mix lemon juice and butter in one and mix flour, salt and spices in the other. Bowls should be large enough to dip fish fillets into.
Dip fillet in lemon juice mixture and then into the flour mixture to coat both sides. Shake off extra. Place on a parchment covered or oiled cookie sheet and bake 12-15 minutes or until fish can be flaked easily with a fork. Sprinkle parsley and lemon peel over cooked fish , salt and pepper to taste and serve.