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Perfectly Seared Ahi Tuna Steaks

Five slices of perfectly seared ahi tuna, crusted with black and white sesame seeds, resting on a white plate.

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

Ingredients

Scale
  • 2 (6 oz) sushi grade tuna steaks
  • 1 tablespoon sesame oil
  • 1 tablespoon soy sauce or tamari
  • 1 teaspoon grated fresh ginger
  • 1 clove garlic, minced
  • 1 tablespoon black sesame seeds
  • 1 tablespoon white sesame seeds
  • Pinch of black pepper

Instructions

  1. Pat the tuna steaks completely dry using paper towels. This step is crucial for a good sear.
  2. In a small bowl, whisk together the sesame oil, soy sauce, ginger, and minced garlic. Brush this mixture evenly over all sides of the tuna steaks.
  3. On a plate, mix the black sesame seeds, white sesame seeds, and black pepper. Press each side of the tuna steaks firmly into the seed mixture until well coated.
  4. Heat a heavy-bottomed skillet (cast iron works best) over high heat until it is very hot, almost smoking.
  5. Carefully place the coated tuna steaks into the hot, dry skillet.
  6. Sear for 60 to 90 seconds per side for rare to medium-rare (the center should remain cool and deep red). Adjust time slightly based on steak thickness.
  7. Remove the tuna from the skillet immediately.
  8. Let the tuna rest on a cutting board for 5 minutes before slicing thinly against the grain.

Notes

  • For best results, use high-quality, sushi-grade yellowfin or bigeye tuna.
  • If you prefer a slightly more cooked center, sear for 2 minutes per side.
  • Serve immediately with a side of steamed rice or a light salad.

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