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Perfectly Seared Ahi Tuna Steaks

Four thick slices of perfectly Seared Ahi Tuna, crusted with black and white sesame seeds, showing a rare, deep red center.

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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-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
  • 1/4 cup black and white sesame seeds (for crust)
  • Pinch of salt
  • Pinch of black pepper

Instructions

  1. Pat the tuna steaks completely dry using paper towels. This step helps create a good sear.
  2. In a small bowl, whisk together the sesame oil, soy sauce, ginger, and garlic. Brush this mixture evenly over all sides of the tuna steaks.
  3. Spread the sesame seeds on a plate. Press each side of the tuna steaks into the seeds until they are fully coated.
  4. Season the tuna lightly with salt and pepper.
  5. Heat a heavy-bottomed skillet, such as cast iron, over high heat until it is very hot, about 3 to 5 minutes. Do not add oil to the pan, as the marinade already contains oil.
  6. Carefully place the crusted tuna steaks in the hot, dry skillet. Sear for 60 to 90 seconds per side for rare to medium-rare. Adjust time slightly if you prefer more cooking.
  7. Remove the tuna from the skillet immediately. Let the steaks rest on a cutting board for 5 minutes before slicing against the grain into half-inch thick pieces.

Notes

  • For best results, use yellowfin or bigeye tuna that is labeled sushi grade.
  • If you prefer a slightly cooked center, you can sear for 2 minutes per side.
  • Serve immediately with a side of steamed rice or a simple salad.

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