Grilled Catfish Cajun-Style

1 teaspoon lemon-pepper seasoning
1 teaspoon white pepper
1 teaspoon Creole seasoning
1 teaspoon blackened fish seasoning
2 tablespoons lemon juice
4 catfish fillets (1 1/3 pounds)
Vegetable cooking spray
Lemon wedges and celery tops

Combine first 4 ingredients in a small bowl. Sprinkle lemon juice and seasoning mixture on both sides of fish. Spray a wire fish basket with cooking spray; place fish in basket. Grill fish, covered, over medium coals (400 degrees F) for 7 to 10 minutes on each side or until fish flakes easily when tested with a fork.

Remove fish from basket; place on a serving platter. Garnish with lemon wedges and celery tops.