Blackened Ahi Tuna with Sweet & Spicy Mango Avocado Salsa
- Sarah Smith
- Dec 27, 2025
- 3 min read
Updated: May 18

This Blackened Ahi Tuna with Mango Avocado Salsa is bold, smoky, and perfectly seared with a flavorful blackened crust and tender center. The fresh mango avocado salsa adds juicy sweetness, creamy texture, bright lime flavor, and just the right touch of heat, creating a vibrant seafood dinner that feels light yet deeply satisfying.
This quick ahi tuna recipe is perfect for busy weeknights, warm-weather dinners, or easy entertaining when you want something fresh and impressive without much effort. Serve it with sides like Cajun Maque Choux, Cajun Coleslaw, or Cajun Roasted Potatoes for a colorful meal that tastes restaurant-worthy while staying simple enough for home cooking.
Why You’ll Love This
Bold blackened seasoning creates a smoky, flavorful crust
Fresh mango avocado salsa adds sweet, creamy, and zesty contrast
Light, high-protein seafood dinner that still feels satisfying
Quick and easy recipe ready in about 30 minutes
Perfect for summer dinners, cookouts, or easy entertaining

Recipe Card
Prep Time: 15 minutes
Cook Time: 6 minutes
Total Time: 21 minutes
Servings: 2
Ingredients
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
Mango Avocado Salsa
1 ripe mango, peeled and diced
1 ripe avocado, 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
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.
Prepare the tuna: Pat the tuna steaks dry with paper towels. Brush lightly with oil on both sides.
Season: Mix all blackening spices in a small bowl. Press seasoning generously onto both sides of the tuna.
Heat skillet: Heat a cast-iron skillet over high heat until very hot and lightly smoking.
Sear tuna: Cook tuna for 1½–2 minutes per side for rare to medium-rare (adjust time if desired).
Rest & serve: Remove from heat and rest for 1–2 minutes. Top with mango salsa and serve immediately.

Tips for Perfect Blackened Tuna
Use sushi-grade ahi tuna for the best texture and flavor.
Dice the avocado just before serving to keep it fresh and vibrant.
For extra brightness, add additional lime zest to the salsa.
Pair with rice bowls, grilled vegetables, or fresh summer salads.
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?
Yes! 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 Ahi Tuna with Mango Avocado Salsa delivers the perfect balance of smoky spice, fresh citrus, juicy sweetness, and creamy avocado in every bite. It’s fast, flavorful, and elegant enough for entertaining while still being easy enough for weeknight cooking. Once you try the fresh salsa with the bold blackened tuna, this recipe quickly becomes a warm-weather favorite worth making again and again.
This fresh seafood dinner fits perfectly alongside the bold comfort food favorites in our Cajun Recipes hub, featuring everything from blackened seafood and crab boils to creamy Cajun pastas and party appetizers.



