POUR dressing over fish in shallow dish; turn to coat both sides of each fillet with dressing. Refrigerate 30 min. to marinate. Meanwhile, combine nuts, cilantro, garlic and oil.
HEAT oven to 375°F. Remove fish from marinade; discard marinade. Place fish on baking sheet sprayed with cooking spray. Top with nut mixture; press lightly into fish to secure.
BAKE 10 to 12 min. or until fish flakes easily with fork.