Elevate your weeknight meals with these High Protein Grilled Tuna Steaks with Lemon and Herb Marinade—an easy, nutrient-packed dish that bursts with fresh, zesty flavors. This recipe features tender, flaky tuna steaks infused with a vibrant blend of lemon juice, garlic, parsley, and oregano for a refreshing Mediterranean-inspired twist. Marinated to perfection, these tuna steaks are grilled to a juicy medium-rare in just minutes, making them a quick yet impressive option for lunch or dinner. Perfect for health-conscious eaters, this protein-rich entrée pairs beautifully with a crisp green salad or roasted vegetables for a well-rounded, flavor-packed meal. Whether you're meal prepping or hosting a summer barbecue, this recipe delivers a deliciously simple way to enjoy fresh seafood.
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In a medium bowl, whisk together the lemon juice, olive oil, chopped parsley, chopped oregano, minced garlic, lemon zest, salt, and black pepper to create the marinade.
Place the tuna steaks in a large resealable plastic bag or shallow dish. Pour the marinade over the tuna steaks, evenly coating them.
Seal the bag or cover the dish and marinate the tuna steaks in the refrigerator for at least 30 minutes, but no longer than 2 hours, to prevent the acid in the lemon juice from overcooking the fish.
Preheat your grill to high heat. If using a gas grill, set it to about 450°F (232°C). If using a charcoal grill, ensure the coals are glowing red with a light layer of ash.
Remove the tuna steaks from the marinade and allow any excess marinade to drip off. Discard the remaining marinade.
Lightly oil the grill grates to prevent sticking. Place the tuna steaks on the grill and cook for about 3 to 4 minutes per side, depending on your preferred level of doneness. Tuna is best cooked to medium-rare, with an internal temperature of 125°F (52°C).
Remove the tuna steaks from the grill and let them rest for a couple of minutes before serving.
Serve the grilled tuna steaks with your choice of sides, such as a green salad or roasted vegetables, and enjoy your high protein meal.
Serving size | (947.0g) |
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Amount per serving | % Daily Value* |
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Calories | 1696.6 |
Total Fat 95.6g | 0% |
Saturated Fat 19.1g | 0% |
Polyunsaturated Fat 5.3g | |
Cholesterol 304mg | 0% |
Sodium 2683.3mg | 0% |
Total Carbohydrate 10.3g | 0% |
Dietary Fiber 2.1g | 0% |
Total Sugars 1.7g | |
Protein 187.9g | 0% |
Vitamin D 1816IU | 0% |
Calcium 133.1mg | 0% |
Iron 9.9mg | 0% |
Potassium 4449.3mg | 0% |
Source of Calories