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Ethan and Chloe’s Perfect Seared Tuna Steak Marinade

Four thick slices of perfectly seared tuna steak, showing a rare pink center and seasoned crust, resting in a light marinade.
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A flavorful, quick soy-based marinade that infuses your ahi steak with Asian-inspired taste without curing the raw fish too much before searing.

Ingredients

Scale
  • 4 tuna steaks (about 6 oz each)
  • 1/2 cup low sodium soy sauce
  • 1/4 cup rice vinegar
  • 2 tablespoons sesame oil
  • 1 tablespoon fresh ginger, grated
  • 3 cloves garlic, minced
  • 1 tablespoon brown sugar
  • 1 teaspoon sriracha or chili garlic sauce (optional, for heat)
  • 1 teaspoon black peppercorns, crushed

Instructions

  1. In a medium bowl, whisk together the soy sauce, rice vinegar, sesame oil, grated ginger, minced garlic, brown sugar, sriracha (if using), and crushed black peppercorns. This is your **best tuna steak marinade idea**.
  2. Place the tuna steaks in a resealable plastic bag or a shallow dish. Pour the marinade over the steaks, ensuring they are fully coated.
  3. Seal the bag or cover the dish. Place the tuna in the refrigerator. Marinate for a maximum of 30 minutes. This short time prevents the acid from ‘cooking’ the raw tuna.
  4. Remove the tuna from the marinade and pat the steaks very dry with paper towels. Discard the remaining marinade.
  5. Heat a heavy skillet (cast iron works best) over high heat until it is smoking hot. Add 1 tablespoon of high-heat oil, like canola or avocado oil.
  6. Sear the tuna steaks for 1 to 2 minutes per side for rare to medium-rare, achieving a perfect sear.
  7. Remove the steaks from the pan and let them rest for 5 minutes before slicing against the grain.

Notes

  • For a **tropical marinade for fish** variation, substitute half the soy sauce with pineapple juice.
  • If you prefer a thicker coating, reduce the marinade liquid by simmering it on the stovetop until it thickens slightly, then use it as a glaze after searing.
  • Always pat the tuna dry before searing; moisture prevents a good crust from forming.
  • This recipe is ideal for **how to marinate tuna steak for grilling** as well; just ensure your grill grates are clean and hot.

Nutrition

Find it online: https://recipesfleet.com/marinade-for-tuna-steak-quick-recipe/