Tuna Steak Lime. You can substitute halibut mahi mahi or swordfish for the tuna. Refrigerate for 2-4 hours.
Let the tuna fillets marinate for 30 minutes in the refrigerator. Pour 12 cup marinade into a large resealable plastic bag. Drain and discard marinade.
Rinse the tuna steaks and pat dry with paper towels.
Lightly rub both sides of the tuna steaks with olive oil. Lightly rub both sides of the tuna steaks with olive oil. 1 Mix first 4 ingredients in small bowl. Squish together until well combined then add tuna steaks.