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Seared Ahi Tuna Recipe

4.8 from 59 reviews

This Seared Ahi Tuna recipe features sashimi-grade ahi tuna steaks marinated in a flavorful blend of soy sauce, miso paste, and garlic, then coated in sesame seeds and quickly seared to create a crispy crust while keeping the inside rare. Perfect as a sophisticated appetizer or light main dish, it pairs wonderfully with salads, rice bowls, or sautéed vegetables.

Ingredients

Scale

For the Tuna Steaks

  • 2 pounds sashimi-grade ahi tuna steaks (or yellowfin, cut into 1 ½ inch steaks if buying large fillets)

For the Marinade

  • ¼ cup soy sauce (gluten-free if needed)
  • 2 tablespoons miso paste
  • 46 cloves garlic, smashed

For the Coating and Cooking

  • ¾ cup sesame seeds (any color)
  • 1 tablespoon sesame oil

Instructions

  1. Prepare the Tuna: If your ahi tuna comes in a large triangular fillet, slice it into 1 ½ inch thick steaks to ensure even marinating and cooking.
  2. Make the Marinade: In a large Ziploc bag, combine soy sauce, miso paste, and smashed garlic cloves. Seal the bag tightly and shake to mix all ingredients thoroughly.
  3. Marinate the Tuna: Place the tuna steaks into the marinade bag, reseal, and let them marinate for at least 10 minutes and up to one hour to absorb the flavors.
  4. Prepare for Searing: While the tuna marinates, heat a large cast-iron skillet on the stovetop over high heat and add the sesame oil. Pour sesame seeds into a shallow bowl to coat the tuna steaks later.
  5. Coat and Dry the Tuna: Remove tuna steaks from the marinade and pat dry thoroughly with paper towels. This step is crucial to ensure a crispy sesame seed crust when searing.
  6. Coat with Sesame Seeds: Press each tuna steak into the sesame seeds, covering all sides evenly to create a crust.
  7. Sear the Tuna: Once the sesame oil starts to smoke slightly, carefully place the coated tuna steaks into the hot pan. Sear each side for exactly 1 minute to develop a crispy exterior while keeping the inside rare and tender.
  8. Rest and Slice: Remove tuna from the skillet and let rest for 2-3 minutes to allow juices to redistribute. Slice against the grain into thin strips for serving.
  9. Serve: Enjoy the seared ahi tuna as-is with extra soy sauce or serve over salads, rice bowls, or sautéed vegetables for a complete meal.

Notes

  • Ensure the tuna is sashimi-grade for safety when served rare.
  • Patting the tuna dry before coating with sesame seeds is essential for a crisp crust.
  • Searing is quick and at high heat; do not overcook to preserve the tuna’s tender texture.
  • Use gluten-free soy sauce if you require a gluten-free dish.
  • Adjust marinating time based on your preferred flavor intensity; longer marinating results in stronger umami flavor.

Keywords: Seared ahi tuna, sesame crusted tuna, Japanese tuna recipe, miso marinated tuna, quick tuna steak, healthy seafood