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5.0 from 3 votes

Blackened Tuna Recipe

Blackened tuna is an impressive dish that can be made in just a few minutes. The end result is a mouthwatering spiced crust and perfectly cooked, rare tuna.

Prep Time
5 mins
Cook Time
5 mins
Total Time
7 mins
Servings: 2 Servings
Calories: 294 kcal
Course: Main Course
Cuisine: American

Ingredients

  • 2 (6 to 8 ounces each) high-quality ahi tuna steaks (See Note 1)
  • 2 tablespoons blackened seasoning
  • 1 tablespoons avocado oil (See Note 2)
  • squeeze of fresh lemon

Instructions

    Cup of Yum
  1. Pat dry the ahi tuna steaks with paper towels. The more moisture you pat off of the fish, the better it will sear.
  2. Coat each tuna steak with 1 tablespoon blackened seasoning, pressing the seasoning into both sides and all edges of the tuna.
  3. Heat a cast-iron skillet over medium-high heat until hot. Carefully hover your hand over the surface to make sure the pan is heated.
  4. Add the oil. Once the oil shimmering (10 seconds or so), add the tuna steaks to the pan. Sear about 1 to 1 ½ minutes per side for rare to medium-rare tuna. Adjust time for thinner or thicker tuna steaks. Take care not to overcook. The fish cooks VERY quickly in a hot skillet.
  5. Remove the tuna from the pan and squeeze lemon juice over top. Slice the tuna and serve.

Notes

  • Note 1: It typically use 1-inch thick ahi tuna steaks. If using thicker or thinner steaks, adjust the cooking time accordingly.
  • Note 2: Use a neutral oil with a high smoke-point, such as avocado, canola or grapeseed oils.
  • Please note that I am not a medical or nutritional professional. I provide nutritional information for my recipes as a courtesy to my readers. It is calculated using the LoseIt! calculator. While I attempt to provide information that is as accurate as possible, you should calculate the nutritional information independently before relying on it.

Nutrition Information

Serving 1tuna steak Calories 294kcal (15%) Carbohydrates 3g (1%) Protein 46.2g (92%) Fat 9.1g (14%) Saturated Fat 1.5g (8%) Cholesterol 88.9mg (30%) Sodium 1066mg (44%)

Nutrition Facts

Serving: 2Servings

Amount Per Serving

Calories 294

% Daily Value*

Serving 1tuna steak
Calories 294kcal 15%
Carbohydrates 3g 1%
Protein 46.2g 92%
Fat 9.1g 14%
Saturated Fat 1.5g 8%
Cholesterol 88.9mg 30%
Sodium 1066mg 44%

* Percent Daily Values are based on a 2,000 calorie diet.