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Grilled Tuna Steak with Coconut Amino Marinade Recipe


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4.2 from 71 reviews

  • Author: Mary & Susan
  • Total Time: 40 minutes
  • Yield: 4 servings
  • Diet: Low Salt

Description

This Grilled Tuna Steak recipe offers a flavorful and healthy way to prepare fresh tuna with a tangy, slightly sweet marinade. Perfectly seared on a grill or grill pan, these steaks are tender and juicy, seasoned with garlic, ginger, sesame oil, and a hint of honey to enhance the natural taste of the fish. Ideal for a quick, satisfying dinner ready in just 40 minutes.


Ingredients

For the Tuna and Marinade

  • 4 tuna steaks, 8 oz each, about 1 inch thick
  • 1/4 cup coconut aminos (or low-sodium soy sauce)
  • 2 tbsp sesame oil
  • 3 cloves garlic, minced
  • 1 tbsp fresh ginger, grated
  • 2 tbsp honey (I use Wholesome Yum Zero Sugar Honey)
  • 1/2 tsp sea salt
  • 1/2 tsp black pepper
  • 1/2 tsp red pepper flakes, to taste


Instructions

  1. Prepare the Marinade: In a small bowl, whisk together the coconut aminos, sesame oil, minced garlic, grated ginger, honey, sea salt, black pepper, and red pepper flakes until well combined to create the marinade.
  2. Marinate the Tuna: Place the tuna steaks in a large plastic bag and pour the marinade over them. Seal the bag and gently turn to coat the steaks evenly with the marinade. Refrigerate for at least 30 minutes or up to 2 hours to allow the flavors to infuse.
  3. Preheat the Grill: About 10 minutes before cooking, clean the grill grates thoroughly using an oiled paper towel to prevent sticking, then preheat the grill to medium-high heat. Alternatively, you can use a grill pan on the stovetop if a grill is unavailable.
  4. Grill the Tuna Steaks: Place the marinated tuna steaks on the hot grill, close the lid, and cook each side for 2-3 minutes. Use a meat thermometer to check doneness: aim for 125°F (52°C) for rare or 135°F (57°C) for medium-rare to ensure perfectly cooked fish.
  5. Rest and Serve: Transfer the grilled tuna steaks to a plate and let them rest for 5 minutes. This resting period allows the juices to redistribute and the internal temperature to rise slightly, resulting in tender and flavorful tuna. Slice and serve immediately.

Notes

  • For best results, use fresh, sashimi-grade tuna steaks.
  • Adjust red pepper flakes to your preferred spice level.
  • If using a grill pan, make sure it is preheated properly to mimic grilling heat.
  • Resting the tuna after grilling helps retain moisture and enhances taste.
  • To make this dish gluten-free, ensure coconut aminos or soy sauce used is gluten-free certified.
  • Prep Time: 15 minutes
  • Cook Time: 10 minutes
  • Category: Main Course
  • Method: Grilling
  • Cuisine: American