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Perfectly Seared Ahi Tuna Steaks

Close-up of perfectly seared ahi tuna slices showing a rare, deep pink center and a dark sesame/pepper crust.

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Learn to sear sushi-grade ahi tuna quickly for a flavorful, healthy dinner with an Asian-inspired crust.

Ingredients

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  • 2 (6-ounce) sushi-grade ahi tuna steaks
  • 2 tablespoons sesame oil
  • 1 tablespoon soy sauce or tamari
  • 1 teaspoon grated fresh ginger
  • 1 clove garlic, minced
  • 1/2 teaspoon black pepper
  • 1/4 cup sesame seeds (mixed black and white)

Instructions

  1. Combine the sesame oil, soy sauce, ginger, garlic, and pepper in a shallow dish. This is your marinade.
  2. Place the tuna steaks in the marinade. Turn to coat both sides. Let the tuna marinate for 10 minutes at room temperature. Do not marinate longer, as the acid can start to cook the fish.
  3. Spread the sesame seeds on a plate. Remove the tuna from the marinade, letting excess drip off, and press all sides of the steaks firmly into the sesame seeds until fully coated.
  4. Heat a heavy-bottomed skillet (cast iron works well) over high heat until very hot. Add a small amount of high-heat cooking oil if needed, but the sesame oil from the marinade often suffices.
  5. Carefully place the sesame-crusted tuna steaks in the hot skillet. Sear for 60 to 90 seconds per side for rare (cool, raw center) or up to 2 minutes per side for medium-rare.
  6. Remove the tuna from the pan immediately. Let the steaks rest on a cutting board for 5 minutes before slicing against the grain into half-inch thick pieces.

Notes

  • For the best sear, make sure your pan is smoking hot before adding the tuna.
  • Slice the tuna against the grain to ensure tender pieces.
  • Serve immediately with a side of soy sauce or a light ginger-soy dipping sauce.

Nutrition