Jul 13 2026
RestaurantsRoy's Waikiki*roy's Blackened Island Ahi Recipe

*roy's Blackened Island Ahi Recipe

Inspired by Roy's Waikiki
Time40m
Serves4

Soy Mustard, Chilled Soba Hijiki Noodles

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Ingredients

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For the Blackened Ahi

For the Soy Mustard Sauce

For the Chilled Soba Hijiki Noodles

Method

Prepare the Blackened Ahi

  1. 1

    Season the Tuna

    In a small bowl, mix paprika, cayenne pepper, black pepper, and sea salt. Rub the spice mixture evenly over each ahi tuna steak.

  2. 2

    Sear the Tuna

    Heat olive oil in a skillet over high heat. When the oil is hot, add the tuna steaks and sear for about 2-3 minutes on each side until blackened and cooked to your liking. Remove from heat and let rest.

Make the Soy Mustard Sauce

  1. 3

    Combine Ingredients

    In a small bowl, whisk together soy sauce, Dijon mustard, honey, and sesame oil until smooth. Set aside.

Prepare the Chilled Soba Hijiki Noodles

  1. 4

    Cook the Noodles

    Cook the soba noodles according to package instructions. Drain and rinse under cold water to cool down.

  2. 5

    Prepare Vegetables

    Soak hijiki seaweed in water for 10 minutes, then drain. In a bowl, combine cooled soba noodles, hijiki, cucumber, carrot, sesame seeds, and green onions.

  3. 6

    Dress the Noodles

    Drizzle rice vinegar, soy sauce, and sesame oil over the noodle mixture and toss to combine.

Serve

  1. 7

    Plate the Dish

    On a plate, serve a portion of the chilled soba hijiki noodles and top with the sliced blackened ahi. Drizzle the soy mustard sauce over the tuna and noodles.

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