Preheat oven to 350 degrees F (175 degrees C). Lightly grease a medium baking dish.
In a shallow, medium bowl, mix cayenne pepper, lemon pepper, garlic powder, salt and pepper.
2 teaspoons cayenne pepper, 2 teaspoons lemon pepper, 2 teaspoons garlic powder, 2 teaspoons salt, 2 teaspoons pepper
Brush both sides of catfish fillets with butter. Rub fillets with the cayenne pepper mixture on both sides.
1 pound catfish fillets, 2 tablespoons butter, 2 teaspoons cayenne pepper
Heat a large heavy skillet over medium-high heat until really hot. Add fillets, and fry approximately 2 minutes on each side, until slightly blackened.
1 pound catfish fillets
Arrange blackened fillets in a single layer in the prepared baking dish, and coat with Italian-style salad dressing. Bake 30 to 35 minutes in the preheated oven, until fish is easily flaked with a fork.
1 pound catfish fillets