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Home » Recipe Index » Seafood

Amazing Mahi Mahi Tacos

Published: Mar 9, 2019 · Modified: Mar 2, 2025 by Kris Longwell · This post may contain affiliate links

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Mahi Mahi Tacos are absolutely…AMAZING!

These tacos are layered with flavor after flavor and really are out-of-this-world delicious. And what else is so amazing about these tacos?  They are on the table in about 30 minutes from start to finish!

Mahi Mahi tacos on a wooden tables in a taco holder

MAHI MAHI TACOS ARE EASY TO MAKE AT HOME

Fish tacos may seem like something that’s not easy to achieve at home.

Trust us. These Mahi-Mahi Tacos are simple to prepare and are as good as you’ll get anywhere.  We love mahi-mahi because it’s not fishy tasting at all.  Learn more about mahi-mahi here.

Watch us show you how easy it is to prepare the Amazing Mahi-Mahi Tacos!

 

OTHER CLASSIC TACO RECIPES TO TRY

  • Baja Fish Tacos
  • Authentic TexMex Beef Tacos
  • Carnitas (Mexican Pulled Pork) Tacos
  • Korean Beef Tacos with Kimchi

MAHI MAHI TACOS ARE LAYERED WITH FLAVOR

Before we get to the star ingredient of these mahi-mahi tacos, let’s talk about what else makes them so great.

The Avocado Lime Slaw is incredibly fresh and bursting with flavor.

It’s wonderful because the recipe gives you plenty to put on your tacos, and then have lots leftover as a side dish. Yum!

avocado lime slaw in a white bowl for mahi-mahi tacos

Another delicious addition to these mahi-mahi tacos is a zesty chipotle aioli.

EXPERT TIP: The chipotle chili powder adds heat, so if you want to go super mild, you can use just regular chili powder.

The fresh garlic and lime juice round out the flavor profile of the aioli perfectly.

chipotle aioli in a white bowl with limes next to it.

BLACKENED MAHI MAHI CAN BE GRILLED OR SEARED IN A SKILLET

Mahi Mahi is a great fish to blacken and then either grill or sear in a hot skillet.

EXPERT TIP: If grilling, a ” target=”_blank” rel=”noopener noreferrer nofollow sponsored”>grill pan is great for keeping the fish from falling through the grates.  Or, you can run skewers through the fish pieces.

The fish only need to cook for a total of 5 to 8 minutes to become cooked through and starting to flake. And the smell?  Crazy good.

Blackened mahi-mahi pieces on a grill pan on a gas grill.

Finally, we love to double-stack each taco with two corn tortillas.

To bring out the amazing corn taste, even more, we either throw the tortillas on the hot grill for a few minutes or place them directly on the stove gas flame.

All you need is a few flips of the tortillas and they are good to go. You could also do this by placing them individually on a skillet. Just keep them in a pocket of foil to keep them warm as you heat them all up.

Corn tortillas heating up on a gas grill.

THEY COME TOGETHER QUICKLY

And it just keeps getting better, these tacos only take about 30 minutes from start to finish!  We love to serve them 3 per serving on our taco holder stand!

The combination of the blackened mahi-mahi, the avocado-lime slaw, the kick of the chipotle mayo and all the fixins is out of this world.

These mahi-mahi tacos have become one of our favorite go-to tacos recipes. Once you try them, you’ll most likely feel the same way!

Three mahi-mahi tacos in a taco holder with a fresh jalapeño nearby.

Mahi Mahi tacos in a taco rack on a wooden table.

Amazing Mahi Mahi Tacos

These Mahi Mahi Tacos are now a staple in our house. So flavorful and easy to make. You can grill them, sear them, or bake them. The avocado-lime slaw is sublime. And the chipotle-aioli gives a wonderful kick. Incredible flavor!!
4.99 from 174 votes
Print Pin Rate
Course: Entree, lunch
Cuisine: Tex-Mex, Mexican
Prep Time: 25 minutes minutes
Cook Time: 8 minutes minutes
Total Time: 33 minutes minutes
Servings: 4 people
Calories: 368kcal
Author: Kris Longwell

Video

Equipment

  • Gas, Charcoal, or Electric Grill. Or a stovetop grill pan.

Ingredients

FOR THE AVOCADO-LIME SLAW

  • ½ cup mayonnaise
  • 1 avocado
  • ½ cup cilantro roughly chopped
  • 2 garlic cloves
  • 3 tablespoon lime juice
  • 4 tablespoon jalapeños pickled, chopped. Or 1 fresh jalapeno: cored and seeded
  • ½ teaspoon Kosher salt
  • ¼ teaspoon freshly ground black pepper
  • 12 oz. slaw mix

FOR THE CHIPOTLE AIOLI

  • ½ cup mayonnaise
  • 2 cloves garlic minced
  • 1 teaspoon lime juice
  • ½ teaspoon chipotle chile powder add more for increased heat, or regular chil powder for less heat
  • 1 pinch Kosher salt and freshly ground black pepper

FOR THE MAHI MAHI

  • 1 ¼ lb mahi mahi fillets skinless, cut into 12 pieces (can aslo use also use fresh tuna steak)
  • 4 teaspoon chili powder
  • 1 teaspoon ground cumin
  • 1 teaspoon smoked paprika
  • 1 teaspoon onion powder
  • 1 teaspoon garlic powder
  • 1 teaspoon Kosher salt
  • 2 tablespoon lime juice
  • 3 tablespoon olive oil
  • ½ teaspoon freshly ground black pepper
  • 12 corn tortillas
  • ½ cup fresh cilantro for garnish
  • ½ cup thinly sliced radish for garnish
  • 2 fresh jalapenos thinly sliced, for garnish
  • Hot sauce such as Tobasco, for garnish

Instructions

MAKE THE AVOCADO-LIME SLAW

  • In a food processor, add the mayo, avocado, cilantro, garlic, lime juice, jalapenos, salt and pepper and pulse until completely blended.
  • Add the mayo-avocado mixture to the slaw and stir until fully coated. Set aside.

MAKE THE CHIPOTLE AIOLI

  • Stir together the mayo, garlic, lime juice, chili powder, salt and pepper. Set aside.

PREPARE THE MAHI MAHI

  • Make the marinade by mixing together in a medium bowl the chili powder, cumin, paprika, onion and garlic powders, salt, pepper, lime juice, and olive oil.
  • Add the mahi mahi and turn to coat. Let rest for 15 minutes.
  • Meanwhile, heat your grill to high heat.
  • Place fish in a grill pan or cast iron skillet. Or, thread each fish piece with a skewer. Discard the left-over marinade.
  • Grill the fish, carefully turning once, until opaque and just cooked through, about 8 minutes total.
  • Heat the tortillas directly on the grill rack, or place in aluminum foil, and heat on the grill.
  • Place the cooked fish in the warmed tortilla and top with slaw, fresh cilantro, radishes, chipotle aioli, sliced jalapenos, and hot sauce.

Notes

Use your favorite type of chili powder.  We like chipotle chili powder, but this will definitely add some heat.  If you're looking for low to no spicy heat, then use regular chili powder.  
If you can't find mahi-mahi, you can use quality tuna steak, or swordfish, or cod.  
We highly recommend placing the marinating fish into a grill pan, or a cast iron skillet before grilling.  Alternatively, you could can thread the fish pieces onto skewers.
If warming the tortillas on the grill, don't leave them on too long, otherwise the heat will dry them out.  You can place them in a foil packet and warm them that way.  You won't get the nice charred grill marks, but they won't dry out that way. 

Nutrition

Calories: 368kcal | Carbohydrates: 50g | Protein: 34g | Fat: 14g | Saturated Fat: 2g | Cholesterol: 127mg | Sodium: 968mg | Potassium: 1239mg | Fiber: 12g | Sugar: 5g | Vitamin A: 1765IU | Vitamin C: 44mg | Calcium: 144mg | Iron: 4mg
Tried this recipe? Take a Picture!Mention @HowToFeedALoon or tag #HowToFeedALoon!

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Comments

  1. Vernon says

    May 26, 2020 at 2:17 pm

    5 stars
    Memorial Day favorite….. my go too recipie.

    Reply
    • Kris Longwell says

      May 26, 2020 at 4:04 pm

      Awesome, Vernon!! So glad you like the mahi mahi tacos! We think they’re the bomb, too!! And thanks for letting us know and for the fantastic review! That really does mean so much to us!! All the best, Kris & Wesley

      Reply
  2. Matt says

    May 22, 2020 at 7:23 pm

    Great marinade! Made it for a neighborhood block party pot luck with about 4x mix.

    Lots of compliments received, figured I should send them your way.

    Thanks!

    Reply
    • Kris Longwell says

      May 25, 2020 at 12:40 pm

      That is so fantastic to hear, Matt! We are so happy you had success with the recipe!

      And thank you so much for letting us know. We appreciate that so much!!

      Stay in touch and all the best,

      Kris & Wesley

      Reply
  3. Amanda says

    May 21, 2020 at 10:30 pm

    5 stars
    While I was shoveling these in my mouth I forwarded this recipe to multiple friends. And when I taste tested the slaw dressing I did a little dance. Amazing.

    Reply
    • Kris Longwell says

      May 22, 2020 at 2:51 pm

      Amanda! Woo hoo!!! We are so excited to hear you loved the mahi mahi tacos! We make the slaw all the time as just a stand alone side dish. Thank you SO MUCH for letting us know and for the fantastic review! We appreciate really so very much!! All the best, Kris & Wesley

      Reply
  4. Cynthia says

    May 19, 2020 at 10:55 pm

    5 stars
    Easy and absolutely amazing flavor!!! Thanks for sharing this recipe My whole family loved it. Made, what I thought would be extras, however there was nothing left over.

    Reply
    • Kris Longwell says

      May 21, 2020 at 4:09 pm

      HI Cynthia!! That’s the best news we’ve heard all day!! We are thrilled you love and the family loved the tacos so much! That fills our hearts with joy! And thank you so much for letting us know and for the wonderful review! We truly appreciate that!! All the best, Kris & Wesley

      Reply
  5. Caitlin says

    May 18, 2020 at 9:04 pm

    5 stars
    Wow, this recipe is fantastic! I followed the instructions directly and wouldn’t have changed a thing. The tender mahi mahi and the crunch of the slaw together was wonderful. Will definitely make again!!

    Reply
  6. Brooke says

    May 18, 2020 at 5:44 pm

    For the chipotle aioli, what is the “2 cloves cloves”?

    Reply
    • Kris Longwell says

      May 21, 2020 at 4:03 pm

      Hi Brooke, that should be 2 cloves garlic! Thanks for the heads up!

      Reply
  7. Melissa Sizemore says

    May 15, 2020 at 10:03 pm

    5 stars
    We had this for dinner this evening – made zero changes and it was AMAZING!! Definitely a keeper, and we will be utilizing the slaw for other meals.
    Looking forward to exploring your other recipes-
    What are some of your favorite summertime recipes?

    Reply
    • Kris Longwell says

      May 17, 2020 at 2:01 pm

      Hi Melissa!! Woo hoo!! That is so awesome to hear! We love those Mahi Mahi tacos so much, too!! So glad you had such success with it!! Thank you so much for letting us know! We LOVE our Homemade Gazpacho recipe. Our tuna salad, chicken salad, potato salad, and egg salad recipes are all really, really delicious. Roasted tomato basil soup is a true winner. Let us know if you make any of these, or other recipes, and what you think!! All the best, Kris & Wesley

      Reply
  8. Lori says

    May 12, 2020 at 9:48 pm

    5 stars
    These are by far the best white fish tacos we’ve had. Super simple with tons of flavor! They are now a staple in our dinner rotation. In addition, we have taken to trying various tortillas–including (my favorite) the Jicama wraps from Trader Joe’s. Great recipe!

    Reply
    • Kris Longwell says

      May 13, 2020 at 11:20 am

      Hi Lori!! Woo hoo!! We are so thrilled to hear y’all loved the mahi mahi tacos! And jicama wraps sound absolutely amazing!!! Thanks so much for letting us know and thank you for the GREAT review! We really do appreciate that very, very much!! Stay in touch!! All the best, Kris & Wesley

      Reply
  9. SS says

    May 12, 2020 at 2:03 pm

    5 stars
    This was great. We followed everything to a T. We may sub greek yogurt for mayo next time for the slaw to experiment…

    Reply
    • Kris Longwell says

      May 12, 2020 at 4:22 pm

      Hey Sarah!! So so so glad you enjoyed the mahi mahi tacos! We’ve subbed yogurt for the may plenty of times, and it’s really still great. Thanks for letting us know and thank you so much for the GREAT review! We appreciate that so much!!! All the best, Kris & Wesley

      Reply
  10. Cheryl K says

    May 06, 2020 at 7:56 am

    5 stars
    WOW! These are amazing! I usually take a recipe and make it my own but not with this recipe as they looked amazing and had great reviews. This is a keeper. I did double the blackening sauce and also made chicken for one of my kids and that was great too.

    Reply
    • Kris Longwell says

      May 06, 2020 at 1:47 pm

      Yay!!! That is absolutely amazing to hear, Cheryl!! And kudos on pleasing the kids, too!!! Major win!! So glad you had success with the recipe and thank you SO MUCH for letting us know and the amazing review!! Means absolutely the world to us!! All the very best, Kris & Wesley

      Reply
  11. Catherine says

    May 04, 2020 at 9:03 pm

    Is it possible to make these a day ahead and save them in the fridge? Thanks!

    Reply
    • Kris Longwell says

      May 05, 2020 at 10:42 am

      Hi Catherine! You can absolutely make the slaw and mayo ahead of time. The fish will be fine with the rub on it, but the texture of the fish might be compromised if you cook the fish a day ahead of time. Honestly, it would still be delicious, but we find the mahi mahi is best served right after cooking. But again, all the other components can definitely be made a day ahead, and are even better the next day! Let us know if you have any other questions and if you make them, let us know what you think!! All the best, Kris & Wesley

      Reply
  12. CAB says

    May 02, 2020 at 11:05 pm

    5 stars
    Very, very good! So fresh! The avocado lime Cole slaw was fantastic! We’ll be making that Again even by itself.

    Reply
    • Kris Longwell says

      May 04, 2020 at 11:17 am

      Hi CAB!!! So glad you enjoyed the mahi mahi tacos recipe! And we often make that avocado lime slaw as a side all the time. We did just a couple days ago!! Thanks so much for letting us know and for the wonderful review!! That means the world to us!!

      Reply
  13. Pat T says

    April 27, 2020 at 8:37 pm

    5 stars
    Execellent recipe, followed it pretty much as given. Key to anything with this many spice elements is to have really fresh spices, it makes a big difference.

    Reply
    • Kris Longwell says

      April 28, 2020 at 3:27 pm

      Sounds awesome, Pat! We do agree, fresh is best!! Thanks so much for the comment and for the GREAT review. We truly appreciate that a lot!! All the best, Kris & Wesley

      Reply
      • Mary G says

        April 11, 2022 at 8:42 pm

        5 stars
        I made this for our 2 adult kids, spouses and 2 grandsons to celebrate my husband’s birthday yesterday. He actually caught the Mahi in Costa Rica in February so I knew I needed to find the perfect recipe! I tried to follow the recipes exactly but kept it on the less spicy side (for me and the grandsons). Everyone ranted about how great it all was and we analyzed every bit of it, lol. I did make a cilantro rice and a pineapple, mango salsa to round our the meal. I have already given out the slaw recipes twice! Thank you for the amazing recipes.

      • Kris Longwell says

        April 12, 2022 at 6:16 pm

        Mary! We are so so thrilled you had such great success with our mahi mahi tacos recipe! And sounds like you made the perfect modifications for the feast! Mahi from Costa Rica must have been incredible! Thank you so much for sharing and for the GREAT review. That means the world to us! Stay in touch!! xoxo Kris & Wesley

  14. Maggie says

    April 25, 2020 at 10:30 pm

    my partner is allergic to avocados, so if I don’t use avocado do I need to use more mayo?

    Reply
    • Kris Longwell says

      April 27, 2020 at 11:00 am

      Hi Maggie! So sorry for the delayed response. Yes, increase the mayo to 3/4 cup, and you should be good. Let us know how it turns (or turned) out! All the best, Kris & Wesley

      Reply
  15. Aurora says

    April 11, 2020 at 6:41 pm

    5 stars
    Absolutely amazing. No one had words, just sounds. The slaw is definitely my favorite part, I could eat a whole bowl of that alone. Will be saving this recipe for sure!

    Reply
  16. Mark says

    April 02, 2020 at 10:54 pm

    5 stars
    Made these tonight with hesitation on my fiancés side about fish and avocado. The first three letters out of her mouth were OMG and my son gave me a head nod of approval after eating six of them. They are absolutely delicious!!!!

    Reply
    • Kris Longwell says

      April 03, 2020 at 11:07 am

      That is the best thing we’ve heard all day, Mark!!! So so so glad to hear you had such success with the mahi tacos and you were a rock star in the kitchen! And thank you SO MUCH for letting us know and the GREAT review. We truly appreciate that so much. Take care and stay in touch! Best, Kris & Wesley

      Reply
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Kris & Wesley (The Loon) live for fun, food, and fabulousness. "How to Feed a Loon" is a celebration of just that. Come join us on this joyous culinary ride.

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