Brush fillets with oil, and sprinkle with salt and pepper. Place fillets on a grill rack coated with cooking spray.
Grill, covered with grill lid, over medium-high heat (350° to 400°) 5 minutes on each side or until fish flakes easily with a fork.
Place fillets on individual serving plates; sprinkle evenly with Lemon-Mint Gremolata, and serve with lemon wedges.
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