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Grilled Yellowfin Tuna with Marinade

Prep Time:

10 Minutes

Cook Time:

20 Minutes


  • 4 (6 ounce) yellowfin tuna steaks

  • ½ cup vegetable oil

  • cup soy sauce

  • ¼ cup fresh lemon juice

  • 2 teaspoons Dijon mustard

  • 1 teaspoon grated lemon peel

  • 1 clove garlic, crushed

  • 4 wedges lemon, for garnish



  1. Prick tuna steaks all over with a fork and place in a shallow glass baking dish.

  2. Whisk together oil, soy sauce, lemon juice, Dijon mustard, lemon peel, and garlic in a bowl; pour over tuna steaks. Cover the dish with plastic wrap and refrigerate for 1 to 3 hours.

  3. Preheat the grill to medium heat and lightly oil the grate.

  4. Remove tuna from marinade; shake excess marinade from steaks and transfer to a plate.

  5. Pour marinade into a small saucepan; bring to a boil. Reduce heat to medium-low and simmer marinade for 10 minutes.

  6. Cook tuna on the preheated grill, basting with boiled marinade, until cooked through, 5 to 6 minutes per side. Serve with lemon wedges.

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