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Simple and Flavorful Marinade for Tuna Steak

Close-up of a perfectly seared tuna steak, rare in the center, sitting in its juices.

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Learn how to prepare three distinct, easy marinades for your tuna steaks: Asian Soy Ginger, Bright Citrus Herb, and Savory Garlic Balsamic. Get tips on marinating time for perfect searing.

Ingredients

Scale
  • 1/4 cup low-sodium soy sauce
  • 2 tablespoons sesame oil
  • 1 tablespoon fresh grated ginger
  • 1 clove garlic, minced
  • 1 teaspoon brown sugar
  • For Citrus Herb: 1/4 cup fresh lemon juice, 3 tablespoons olive oil, 1 teaspoon dried oregano, 1/2 teaspoon black pepper
  • For Garlic Balsamic: 1/4 cup balsamic vinegar, 3 tablespoons olive oil, 2 cloves garlic, minced, 1 teaspoon Dijon mustard

Instructions

  1. Choose your desired marinade profile: Asian Soy Ginger, Citrus Herb, or Garlic Balsamic.
  2. For the Asian Soy Ginger marinade, whisk together soy sauce, sesame oil, ginger, minced garlic, and brown sugar in a small bowl until the sugar dissolves.
  3. For the Citrus Herb marinade, combine lemon juice, olive oil, oregano, and pepper. Whisk well.
  4. For the Garlic Balsamic marinade, combine balsamic vinegar, olive oil, minced garlic, and Dijon mustard. Whisk until emulsified.
  5. Place your tuna steaks in a shallow dish or a resealable plastic bag.
  6. Pour the chosen marinade over the tuna, ensuring all surfaces are coated.
  7. Marinate the tuna for 15 to 30 minutes. Do not exceed 30 minutes, as the acid in some marinades can begin to change the texture of the delicate fish.
  8. Remove the tuna from the marinade just before cooking. Pat the surface dry lightly with paper towels for a better sear.
  9. Cook your tuna steak immediately using your preferred method, such as searing or grilling.

Notes

  • For the best flavor penetration without over-marinating, aim for 20 minutes for tuna steaks that are about 1 inch thick.
  • If you plan to grill, use the Citrus Herb or Garlic Balsamic marinade, as the Soy Ginger marinade can burn quickly over high heat.
  • Always discard the leftover marinade; do not reuse it as a sauce unless you boil it first.
  • Patting the tuna dry before searing is a secret to achieving a beautiful crust.

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