swordfish marinade for grill
1 Place swordfish steaks into the marinade, and refrigerate for 1 hour, turning frequently. 2  Preheat an outdoor grill for high heat, and lightly oil the grate. 3  Grill swordfish steaks for 5 to 6 minutes on each side. 4  Garnish with parsley and lemon wedges.eady In. 1  In a glass baking dish, combine the garlic, white wine, lemon juice, soy sauce, olive oil, poultry seasoning, salt and pepper. 2  Mix just to blend. 3  Place swordfish steaks into the marinade, and refrigerate for 1 hour, turning frequently. 4  Preheat an outdoor grill for high heat, and lightly oil the grate.