Roy Yamaguchi’s Blackened Island Ahi Recipe
Spicy Soy Mustard, Butter Sauce, Nori Puree, Cucumber Namasu
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Ingredients
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Ahi Preparation
Spicy Soy Mustard Sauce
Butter Sauce
Nori Puree
Cucumber Namasu
Method
Ahi Preparation
- 1
Season Ahi
Rub the Ahi tuna steaks with Cajun seasoning evenly on all sides.
- 2
Heat Oil
In a skillet over medium-high heat, add vegetable oil and heat until shimmering.
- 3
Cook Ahi
Sear the Ahi steaks in the hot skillet for about 2-3 minutes on each side, or until blackened and cooked to your desired doneness. Remove and set aside.
Spicy Soy Mustard Sauce
- 4
Mix Sauce
In a small bowl, whisk together soy sauce, Dijon mustard, Sriracha, and honey until well combined. Set aside.
Butter Sauce
- 5
Prepare Butter Sauce
In a small saucepan over medium heat, melt the butter and add minced garlic. Sauté until fragrant, about 1 minute. Remove from heat and stir in lemon juice.
Nori Puree
- 6
Prepare Nori Puree
In a blender, combine nori sheets and water. Blend until smooth. Strain if necessary.
Cucumber Namasu
- 7
Prepare Namasu
In a bowl, combine thinly sliced cucumber, rice vinegar, sugar, and salt. Toss and let it marinate for at least 15 minutes.


