Preheat Oven To 350 Degrees F (175 Degrees C). In A Medium Saucepan, Melt The Butter On Low Heat; Cool To Room Temperature. Meanwhile, In A Medium Bowl, Combine The Cayenne Pepper, Black Pepper, Lemon Pepper, Garlic Powder And Salt. Set Aside. Dip The Filets Into The Melted Butter, Then Coat With The Seasoning Mixture. In A Large Skillet Over High Heat, Sear Fish On Each Side For 2 Minutes Or Until Slightly Charred. Place In A 11X7 Inch Baking Dish And Pour The Italian Dressing Onto Each Filet. Cover Baking Dish And Bake In A Preheated Oven For 30 Minutes Or Until Flaky And Tender.