Cajun Blackened Salmon Mango

Cajun Blackened Salmon with Mango Salsa plated with flaky, spice-crusted fillets topped with vibrant, fresh mango salsa. Save to Pinterest
Cajun Blackened Salmon with Mango Salsa plated with flaky, spice-crusted fillets topped with vibrant, fresh mango salsa. | sizzlelane.com

This dish highlights tender salmon fillets coated in a robust Cajun spice blend, pan-seared to form a crispy crust. The salmon's smoky, spicy notes pair beautifully with a vibrant mango salsa featuring diced mango, red onion, bell pepper, jalapeño, and fresh cilantro, balanced with lime juice. Quick to prepare, this meal delivers a perfect harmony of bold and fresh flavors, ideal for a satisfying and colorful main course.

The first time I made blackened salmon, my smoke detector went off and my roommate thought I was actually on fire. But that gorgeous crust that emerged from all that chaos was absolutely worth it. Now I make sure to open the windows before I even reach for the cast iron. Something about that sizzle and the smell of spices hitting hot metal just makes any ordinary Tuesday night feel like a celebration.

My friend Sarah came over for dinner last summer when I was testing this combination. She took one bite and literally stopped talking for a full minute. Watching someone experience that spicy crisp against cool sweet mango for the first time has become one of my favorite kitchen moments. Now she requests it every time she visits.

Ingredients

  • Salmon fillets: I always go for skin-on because the extra layer of protection keeps the fish moist while the exterior gets that gorgeous dark crust
  • Olive oil: This helps the spices adhere and creates that beautiful sear
  • Cajun seasoning: The real flavor powerhouse here, making your own blend lets you control exactly how much heat you want
  • Mango: Choose one that gives slightly when pressed, underripe mango wont have that luscious sweetness we need
  • Red onion and bell pepper: These add crunch and a little sharpness to balance the rich salmon
  • Jalapeno: Fresh heat wakes up the whole dish
  • Lime juice: Bright acid ties everything together and keeps the salsa tasting vibrant
  • Fresh cilantro: Dont skip this, it adds that herbal freshness that makes the salsa sing

Instructions

Make the salsa first:
Toss the mango, red onion, bell pepper, jalapeno, cilantro and lime juice together gently. Add salt and pepper until the flavors pop. Let it hang out in the fridge while you work on the fish, this rest time lets all those bright flavors meld together beautifully.
Prep your salmon:
Pat those fillets completely dry with paper towels, any moisture on the surface will keep you from getting that perfect crust. Brush with olive oil on both sides.
Create the spice coating:
Mix your Cajun seasoning with salt and pepper. Press this mixture onto both sides of each fillet, really press it in there so it sticks.
Get your pan seriously hot:
Heat your cast iron over medium-high until its practically smoking. This intense heat is what creates that gorgeous blackened crust.
Sear to perfection:
Lay the salmon in the hot pan skin side down. Leave it alone for 3 to 4 minutes, let that crust develop without fiddling with it.
Finish cooking:
Carefully flip and cook another 2 to 4 minutes until the fish flakes easily. Let it rest for a couple minutes before serving.
Bring it all together:
Pile that bright fresh salsa generously over each fillet. Watch how the colors pop against that dark spicy crust.
A close-up of Cajun Blackened Salmon with Mango Salsa beside lime wedges and cilantro, ready for a weeknight dinner. Save to Pinterest
A close-up of Cajun Blackened Salmon with Mango Salsa beside lime wedges and cilantro, ready for a weeknight dinner. | sizzlelane.com

Last summer I made this for my dads birthday and he kept saying this is the best fish Ive ever had between bites. Seeing someone who usually likes everything pretty plain get so excited about bold flavors just made my night. Sometimes food is just how we say I love you without speaking a word.

Making It Your Own

I have discovered that swapping pineapple for mango works beautifully when mangos are out of season. The sweetness is a bit different but still balances that heat perfectly. You can also use papaya if you want something really special.

Perfect Sides

A simple pot of coconut rice absorbs all those delicious juices from the salsa. Or try roasted asparagus with lemon when you want something fresh and green. A crisp green salad with citrus vinaigrette also cuts through the rich salmon beautifully.

Timing Everything Right

The secret to having everything hot at the same time is starting your rice or side dish before you prep the salmon. The salsa can sit for hours in the fridge getting better. Work efficiently and confidently once that pan hits the heat.

  • Prep all your ingredients before you turn on any heat
  • Warm your plates in the oven for a restaurant quality touch
  • Have everything on the table before you start the final sear
Serve Cajun Blackened Salmon with Mango Salsa over rice, letting the sweet salsa drip down the golden crust. Save to Pinterest
Serve Cajun Blackened Salmon with Mango Salsa over rice, letting the sweet salsa drip down the golden crust. | sizzlelane.com

There is something so satisfying about a dish that looks impressive but comes together so quickly. I hope this becomes one of those recipes you turn to again and again.

Recipe FAQs

Coat the salmon generously with Cajun seasoning and cook it in a hot cast-iron skillet without moving it for several minutes to develop a dark, crispy crust.

Yes, prepare the mango salsa in advance and refrigerate. The flavors meld well, making it even more vibrant when served chilled.

Cook until the salmon flakes easily with a fork, or use a thermometer to ensure it reaches 63°C (145°F) internally.

The heat mainly comes from the Cajun seasoning and jalapeño in the salsa. Adjust the amount or omit the jalapeño to control spiciness.

Serve with rice, quinoa, or a simple green salad to balance the bold flavors and add texture variety.

Cajun Blackened Salmon Mango

Spicy salmon crusted with Cajun seasoning served alongside a fresh mango salsa.

Prep 20m
Cook 10m
Total 30m
Servings 4
Difficulty Medium

Ingredients

For the Salmon

  • 4 salmon fillets (about 6 oz each), skin-on or skinless
  • 1 tablespoon olive oil
  • 2 tablespoons Cajun seasoning
  • 1/2 teaspoon salt (if Cajun seasoning is unsalted)
  • 1/2 teaspoon freshly ground black pepper

For the Mango Salsa

  • 1 large ripe mango, peeled, pitted, and diced
  • 1/2 small red onion, finely diced
  • 1 small red bell pepper, diced
  • 1 jalapeño, seeded and finely chopped
  • 2 tablespoons fresh cilantro, chopped
  • Juice of 1 lime
  • Salt and pepper, to taste

Instructions

1
Prepare the Mango Salsa: In a medium bowl, combine mango, red onion, red bell pepper, jalapeño, cilantro, and lime juice. Season with salt and pepper to taste. Mix gently, cover, and refrigerate until ready to serve.
2
Prepare the Salmon: Pat the salmon fillets dry with paper towels. Brush both sides with olive oil.
3
Season the Salmon: In a small bowl, mix Cajun seasoning, salt, and black pepper. Generously coat both sides of each salmon fillet with the seasoning.
4
Heat the Pan: Heat a large cast-iron skillet or heavy-bottomed pan over medium-high heat until very hot.
5
Sear the Salmon: Place the salmon fillets in the skillet, skin-side down if applicable. Cook for 3–4 minutes without moving, until a dark crust forms.
6
Finish Cooking: Carefully flip the fillets and cook for another 2–4 minutes, until the salmon is cooked to your desired doneness (internal temperature should reach 145°F).
7
Rest the Salmon: Remove the salmon from the pan and let rest for 2 minutes.
8
Serve: Serve each salmon fillet topped generously with mango salsa.
Additional Information

Equipment Needed

  • Chef's knife
  • Cutting board
  • Mixing bowl
  • Cast-iron skillet or heavy frying pan
  • Spatula
  • Paper towels

Nutrition (Per Serving)

Calories 330
Protein 35g
Carbs 16g
Fat 14g

Allergy Information

  • Contains fish (salmon)
  • Always check Cajun seasoning ingredients for possible allergens
Monica Fields

Home cook sharing quick, nourishing recipes & helpful kitchen tips.