In a cup, combine lime juice, oil, Caribbean Jerk seasoning* and salt. Place peppers on a rimmed baking sheet. Roast for 5 minutes.
2Add fish fillets, green onions and corn to pan with peppers; brush fish and vegetables with the lime juice mixture. Roast just until fish is cooked through, 10 to 12 minutes, turning once. Remove to a platter; garnish with lime wedges, if desired.
* To make your own Jerk seasoning:
Combine 1 teaspoon dried thyme, 1/2 teaspoon ground allspice, 1/4 teaspoon ground red pepper and 1/4 teaspoon salt.