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Best Ever Soy Ginger Tuna Steak Marinade for Grilling

Two halves of a perfectly seared tuna steak showing a rare, pink center and a dark spice crust, ideal for a MARINADE FOR TUNA STEAK.

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This simple soy ginger marinade adds deep, savory flavor to your tuna steaks before grilling or searing, making weeknight dinners satisfying and quick.

Ingredients

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  • 1/4 cup low-sodium soy sauce
  • 2 tablespoons fresh lime juice
  • 1 tablespoon sesame oil
  • 1 tablespoon grated fresh ginger
  • 2 cloves garlic, minced
  • 1 teaspoon brown sugar
  • 1/2 teaspoon black pepper
  • 4 tuna steaks (about 6 ounces each)

Instructions

  1. In a medium bowl, whisk together the soy sauce, lime juice, sesame oil, ginger, garlic, brown sugar, and black pepper to create the marinade.
  2. Place the tuna steaks in a resealable plastic bag or a shallow dish.
  3. Pour the marinade over the tuna, ensuring all sides are coated.
  4. Seal the bag or cover the dish.
  5. Refrigerate the tuna for at least 20 minutes but no more than 45 minutes. Do not marinate longer than 45 minutes to prevent the acid from changing the texture of the fish.
  6. Remove the tuna from the marinade and pat it dry with paper towels before cooking. Discard the remaining marinade.
  7. Grill or sear the tuna steaks to your desired doneness.

Notes

  • For a spicier flavor, add 1/2 teaspoon of sriracha or a pinch of red pepper flakes to the marinade mixture.
  • If you plan to sear the tuna, use a very hot cast-iron skillet to achieve a good crust quickly.
  • Patting the tuna dry before cooking is essential for getting a proper sear.

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