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Best Soy Ginger Marinade for Seared Tuna Steaks

A perfectly seared tuna steak, glistening with glaze and topped with fresh green onion slices, ready to eat.

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This simple, flavorful soy ginger marinade works perfectly for searing tuna steaks. It requires minimal time and enhances the natural taste of the fish before cooking.

Ingredients

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

Instructions

  1. In a medium bowl, whisk together the soy sauce, grated ginger, sesame oil, rice vinegar, brown sugar, minced garlic, and black pepper until the sugar dissolves. This is your flavorful marinade for tuna steak.
  2. Place the tuna steaks in a resealable plastic bag or shallow dish. Pour the marinade over the steaks, ensuring they are fully coated.
  3. Refrigerate the tuna steaks for at least 15 minutes, but no more than 45 minutes. Do not marinate longer than 45 minutes to prevent the acid from ‘cooking’ the fish.
  4. Remove the tuna steaks from the marinade and pat them dry with paper towels before searing or grilling. Discard the remaining marinade.

Notes

  • For a spicier kick, add 1/2 teaspoon of sriracha or a pinch of red pepper flakes to the marinade mixture.
  • If you plan to grill, lightly oil your grill grates before placing the marinated tuna steaks on them.
  • This marinade pairs well with steamed rice and quick-sautéed green beans or asparagus.

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