Plank-Grilled Tuna Steaks

Plank-Grilled Tuna Steaks

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From: Diabetic Living Magazine

This Asian-inspired grilled tuna recipe is bursting with zesty ginger-lime flavor. Place any leftover ginger, unpeeled, in a freezer bag. It freezes well, and you can peel and grate it as needed from its frozen state.

Ingredients 4 servings

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Original recipe yields 4 servings
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  • 4 (5 to 6 ounce) fresh or frozen tuna steaks, about 1-inch thick
  • 2 tablespoons rice vinegar
  • 2 tablespoons finely chopped scallion
  • ½ teaspoon finely shredded lime peel
  • 1 tablespoon grated fresh ginger
  • 1 tablespoon minced fresh ginger root
  • 1 tablespoon toasted sesame oil
  • 1 tablespoon chopped fresh cilantro
  • 2 teaspoons reduced-sodium soy sauce
  • 1 clove garlic, minced
  • ¼ teaspoon salt
  • ¼ teaspoon crushed red pepper
  • 1 cedar grilling plank (about 14x6 inches)
  • 4 bunches baby bok choy
  • 2 teaspoons toasted sesame seeds


  • Prep

  • Ready In

  1. Thaw fish, if frozen. Rinse the fish; pat dry with paper towels. Whisk together the rice vinegar, scallion, lime peel, lime juice, ginger, sesame oil, cilantro, soy sauce, garlic, salt, and crushed red pepper in a shallow dish. Reserve ¼ cup of the marinade; set aside. Add the tuna steaks to the dish, turning to coat. Cover and marinate in the refrigerator for 1 hour, turning the steaks once. Meanwhile, soak the cedar plank in water for at least 30 minutes.
  2. Drain and discard the marinade from the fish. Remove the cedar plank from the water. Cut bok choy bunches in halves lengthwise; set aside.
  3. For a charcoal grill, place the cedar plank on the grill rack directly over medium-hot coals. Cover and grill for 3 minutes or until it begins to crackle and smoke. Turn plank over. Place the tuna steaks on the plank. Cover and grill the plank for 12 to 15 minutes or until the tuna begins to flake when tested with a fork (the fish will be slightly pink in the center). Do not turn the tuna. Grill the bok choy on the grill rack directly over the coals for 2 to 3 minutes or until wilted, turning once. (For a gas grill, preheat grill. Reduce heat to medium-hot. Place the plank on the grill rack over heat. Cover and grill as directed.) Drizzle the bok choy with the reserved marinade mixture. Sprinkle the bok choy and tuna with sesame seeds.

Nutrition information

  • Serving size: 1 tuna steak and 2 baby bok choy halves
  • Per serving: 213 calories; 5 g fat(1 g sat); 1 g fiber; 4 g carbohydrates; 36 g protein; 55 mg cholesterol; 1 g sugars; 362 mg sodium;
  • Carbohydrate Servings: ½
  • Exchanges: 5 lean protein, ½ vegetable

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