Blackened Fish Tacos

These blackened fish tacos are bursting with sweet and spicy flavors because they are packed with juicy, flaky blackened fish, crunchy slaw, and sweet mango salsa. It's ready in 20 minutes and holds a great combination of flavor in every bite. 
5 from 2 votes
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Blacked fish taco with cabbage and mango salsa on a wood surface.

There is something about fish tacos that makes me crave them any time of the year. I don’t care if it’s summer or middle of winter, if I see fish tacos on the menu, I don’t look at anything else. But, you don’t even have to go out to a restaurant to have amazing fish tacos because I will teach you to make some at home!

These tacos are one of my favorites to make. It must be the combination of soft tortillas, crunchy slaw, juicy blackened fish fillet, and sweet mango salsa that makes these tacos the best. What makes a perfect bite is the combination of different textures and flavors to hit all the taste buds at once. You have soft, crunchy, and juicy textures coupled with sweet, spicy, salty, and sour flavors. It’s a party in your mouth!

Mango salsa is my go-to topping for anything related to blackened fish (even blackened salmon). Sweet and fruity goes so well with the spices of the fish, that flavor just can’t be beat. You can also make the salsa ahead of time and add it to the tacos when ready. 

blackened seasoning on a fish filet on a sheet of parchment paper.

What Spices Are In The Blackening Seasoning

Blackening seasoning is very similar to Cajun seasoning but less spicy, and I throw in a touch of sweetness. It’s so easy to put together in 2 minutes, you’ll never buy another one at the store. Simply combine these ingredients in a bowl and mix thoroughly:

  • Paprika
  • Garlic powder
  • Onion power
  • Thyme
  • Oregano
  • Black pepper
  • Cayenne pepper
  • Salt
  • Brown sugar
Blackened talapia icooked n a cast iron skillet.

Fish Options For Blackened Fish Tacos

For fish tacos, I love using cod because it’s a juicy, meaty fish and not too light to be lost among other ingredients. 

Mahi-mahi is another great fish that is thick and meaty. 

You can also use tilapia for a lighter bite. Tilapia is much lighter than cod or mahi mahi but still hold up great when blackened and baked. 

The choices are not limited to these thee though. Many other fish are great is tacos like salmon, swordfish, and halibut. All can be easily blackened and baked.

Blackedned tilapia flaked apart on a wood board with cabbage and mango salsa in bowls nex to it.
two fish tacos with mango salsa on top of them.

How To Tell If Blackened Fish Is Done?

  • Fish will take the longest to prepare, so start with that. It should take an average of 15-17 minutes
  • Baking time of the fish will depend on the type of fish, thickness of fillet, and size of fillets. If you’re baking smaller, thinner pieces of fish, it will take much less time than baking a large, thick fish fillet.
  • Always check for doneness at the thickest part. You can touch it with your finger and press down gently to see how firm the flesh feels. You can also use a fork to flake off some of the meat to make sure it’s completely opaque inside.
  • Proper temperature for the fish when it’s done is 145°F. Some people prefer fish at about medium-well doneness because it more juicy. Medium well for fish is about 135°F.
Three blackened fish tacos with mango salsa on top.

If you’ve fish tacos using my recipe and found a lot of good information here, PLEASE leave a 🌟 star rating! Let me know how you liked it by leaving the 📝 comment below as well.

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Three blackened fish tacos with mango salsa on top.

Blackened Fish Tacos Recipe

These blackened fish tacos are bursting with sweet and spicy flavors because they are packed with juicy, flaky blackened fish, crunchy slaw, and sweet mango salsa. It's ready in 20 minutes and holds a great combination of flavor in every bite. 
5 from 2 votes
Print Pin Rate
Course: Main Course
Cuisine: American
Prep Time: 15 minutes
Cook Time: 13 minutes
Total Time: 28 minutes
Servings: 4 (Could make 4-6 tacos)
Calories: 323kcal
Author: Lyuba Brooke

Ingredients

  • 4-6 taco tortillas

Blackened Fish:

  • 1 lb cod fillet
  • 3 tbsp unsalted butter melted
  • 1 1/4 tsp smoked paprika
  • 1 1/2 tsp garlic powder
  • 1 1/2 tsp onion powder
  • 1 tsp dried oregano
  • 1 tsp dried thyme
  • 1 tsp black pepper
  • 1 1/2 tsp salt
  • 1/4 tsp cayenne pepper
  • 1 tsp brown sugar packed

Slaw:

  • 1 cup shaved purple cabbage
  • 1 tbsp white wine vinegar
  • 1 tbsp lime juice
  • 1/2 tbsp white granulated sugar

Mango Salsa:

  • 1 ripe mango
  • 1/4 cup diced red onion
  • 1 jalapeno pepper seeded and minced
  • 1 tbsp fresh minced cilantro
  • 1 lime – juice only

Instructions

Blackened Fish:

  • Preheat the oven to 425°F, melt butter, and mix the seasoning.
  • Dip fish fillet into butter first and let excess butter drip off. Then, dip fish into the seasoning and flip it around to coat the fillet on all sides. 
  • Place an empty skillet into the preheated oven let it heat through for a few minutes. Take it out, pour in some melted butter and add seasoned fish fillet. Bake fish for 13-15 minutes, depending on the thickness.

Slaw:

  • Slice cabbage as thinly as you can and combine it with vinegar, lime juice, and sugar. Mix well and let it sit until ready to use. 

Mango Salsa:

  • Cut mango and combine it with diced red onion, diced jalapeno, cilantro, and lime juice. Mix well and set aside until ready to top tacos. 

Prepare Tacos:

  • When fish is ready, take it out of the oven and let it sit on a cutting board for about 5 minutes.
  • In a mean time, spread out tortillas on a baking sheet and pop it into the oven to heat up. 
  • To make tacos, add some slaw in the middle of each tortilla. Flake off chunks of fish and divide it among the tortillas. Scoop a couple of tablespoons of mango salsa on top of fish and enjoy. 

Notes

How to tell if fish is done: Baking time of the fish will depend on the type of fish, thickness of fillet, and size of fillets. Always check for doneness at the thickest part. You can touch it with your finger and press down gently to see how firm the flesh feels. You can also use a fork to flake off some of the meat to make sure it’s completely opaque inside. Proper temperature for the fish when it’s done is 145°F. Some people prefer fish at about medium-well doneness because it more juicy. Medium well for fish is about 135°F.

Nutrition

Calories: 323kcal | Carbohydrates: 31g | Protein: 24g | Fat: 12g | Saturated Fat: 6g | Cholesterol: 72mg | Sodium: 1150mg | Potassium: 706mg | Fiber: 3g | Sugar: 11g | Vitamin A: 1399IU | Vitamin C: 39mg | Calcium: 85mg | Iron: 2mg
Tried this recipe?Mention @willcookforsmiles or tag #willcookforsmiles!

SOME MORE RECIPES TO TRY

Sriracha Chicken Tacos

Pulled Pork Tacos

Easy Shrimp Tacos

Carne Asada Tacos

Fried Fish Tacos

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All images and text ©Lyubov Brooke for ©Will Cook For Smiles. Please do not use my images without prior permission. If using my posts in collections and features, please link back to this post for the recipe.
Disclaimer: Nutrition information shown is not guaranteed to be 100% accurate as most ingredients and brands have variations.

5 from 2 votes (1 rating without comment)

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3 Comments

  1. 5 stars
    I love these fish tacos!

  2. Delicious recipe! Just the right amount of heat!

    1. Thanks, Gina! So happy to hear you enjoyed it!

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