Blackened Tuna Steak with Mango Salsa (Fresh, Flavorful & Ready in Minutes)

This Blackened Tuna Steak with Mango Salsa is bold, smoky, and perfectly seared, then topped with a bright, juicy mango salsa that adds the perfect balance of sweetness and heat. It’s quick enough for busy weeknights yet elegant enough for entertaining. Serve it with Mexican Street Corn (Elote), Creamy Coleslaw, or drizzle with Lemon Herb Butter for a fresh, vibrant meal that feels restaurant-worthy at home.

Why You’ll Love This

• Perfectly seared blackened tuna with a tender, flavorful center

• Fresh mango salsa adds a bright, sweet contrast to the spice

• Light, high-protein meal that feels fresh and satisfying

• Quick and easy dinner that’s great for weeknights or warm-weather meals

Recipe Card

Prep Time: 15 minutes Cook Time: 6 minutes Total Time: 21 minutes Servings: 2

For the Blackened Tuna:

• 2 ahi tuna steaks (6–8 oz each)

• 1 tablespoon olive oil or avocado oil

Blackening Seasoning

• 1 teaspoon paprika

• ½ teaspoon smoked paprika

• ½ teaspoon garlic powder

• ½ teaspoon onion powder

• ¼ teaspoon cayenne pepper (adjust to taste)

• ½ teaspoon dried oregano

• ½ teaspoon dried thyme

• ¾ teaspoon salt

• ½ teaspoon black pepper

For the Mango Salsa:

• 1 ripe mango, peeled and diced

• ¼ cup red onion, finely diced

• ½ jalapeño, seeded and minced

• 2 tablespoons fresh cilantro, chopped

• Juice of 1 lime

• Salt, to taste

Instructions

1. Make the mango salsa: In a bowl, combine mango, red onion, jalapeño, cilantro, lime juice, and a pinch of salt. Stir gently and set aside.

2. Prepare the tuna: Pat the tuna steaks dry with paper towels. Brush lightly with oil on both sides.

3. Season: Mix all blackening spices in a small bowl. Press seasoning generously onto both sides of the tuna.

4. Heat skillet: Heat a cast-iron skillet over high heat until very hot and lightly smoking.

5. Sear tuna: Cook tuna for 1½–2 minutes per side for rare to medium-rare (adjust time if desired).

6. Rest & serve: Remove from heat and rest for 1–2 minutes. Top with mango salsa and serve immediately.

Tips for Perfect Blackened Tuna

• High heat is essential for a true blackened crust.

• Do not overcook — tuna is best rare to medium-rare.

• Use ripe but firm mango for the best texture.

• Slice tuna against the grain for tenderness.

• Add diced avocado to the salsa for extra creaminess.

FAQ

Is blackened tuna spicy? It has a mild-to-moderate heat. Reduce cayenne or jalapeño for a milder dish.

Can I grill the tuna instead? es! Grill over high heat for the same amount of time, making sure the grates are well-oiled.

What type of tuna should I use? Ahi (yellowfin) or sushi-grade tuna works best for searing.

Can I make the mango salsa ahead of time? Yes — prepare up to 24 hours ahead and refrigerate until ready to use

Final Thoughts

This Blackened Tuna Steak with Mango Salsa combines bold spice and fresh, juicy flavor perfectly. It’s light yet satisfying, incredibly fast to make, and perfect for warmer nights when you want something fresh without sacrificing comfort. Once you try it, it’s bound to become a seafood favorite in your rotation.