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Home » Recipes » Dairy-Free

Blackened Tuna Steaks

Yum

Published: Jul 15, 2020 · Modified: Sep 19, 2025 by Sara · This post may contain affiliate links

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These Blackened Tuna Steaks take less than 10 minutes to make and have so much flavor! Just pair it with your favorite side dishes, use it in tacos, or top it on a salad!

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Blackened Tuna Steaks in a skillet

I love blackened fish of any kind. I order it this way every time I’m at a seafood restaurant.

I started experimenting at home with different seasonings so I could recreate restaurant style Blackened Tuna at home.

It took a few tries, but I finally nailed it! 🙂 Alright let’s get into how to make these Blackened Tuna Steaks!

Blackened Tuna Steaks in a skillet

All you need for the blackened seasoning is Paprika, Cayenne, Garlic Powder, Onion Powder, Oregano, Salt, and Pepper.

This works with literally any type of fish or shrimp. You could even use this on chicken or beef too!

Just mix the spices together and rub both sides of the Tuna to evenly coat it. Add Coconut Oil to a large cast iron skillet, heat on med/high heat

When oil is melted and shimmering add Tuna Steaks. Cook 1-2 minutes each side for rare, or 3-4 minutes for medium to well done Remove from skillet and serve immediately.

Blackened Tuna Steaks on a bed of red cabbage with avocado

I decided to keep it light and serve it over some Red Cabbage and Avocado slices. It was absolutely delicious!

I’ve also paired this with my Roasted Garlic Cauliflower, so good!

More Blackened Seasoning Recipes

  • Blackened Shrimp Quinoa Salad with Avocado Cilantro Dressing
  • Blackened Chicken Caesar Salad
  • Blackened Mahi Mahi Sandwich
  • Blackened Mahi Mahi Tacos with Mango Slaw
  • Black and Blue Burgers
  • Blackened Shrimp Cobb Salad
  • Blackened Flank Steak Tacos with Avocado Lime Sauce
Blackened Tuna Steaks on a salad

If you try this recipe let me know what you think! Leave a comment below, rate it, share it on social media, or take a picture and tag it tastefulventure on Instagram! I LOVE seeing what you guys cook up.

Cheers!

Blackened Tuna Steaks

Sara
These Blackened Tuna Steaks take less than 10 minutes to make and have so much flavor! Just pair it with your favorites side dishes, or top it on a salad!
4.58 from 7 votes
Print Recipe Pin Recipe
Prep Time 5 minutes mins
Cook Time 8 minutes mins
Total Time 13 minutes mins
Course Dinner
Cuisine Seafood
Servings 4
Calories 338 kcal

Ingredients
  

  • 4 Tuna Steaks
  • 3 Tbs Coconut Oil
  • 2 Tbs ground Smoked Paprika
  • 1 tsp ground Cayenne
  • 1 tsp Garlic Powder
  • 1 tsp Onion Powder
  • 1/2 tsp dried Oregano
  • 2 tsp Sea Salt
  • 1 tsp Black Pepper

Instructions
 

  • In a small bowl combine Paprika, Cayenne, Garlic Powder, Onion Powder, Oregano, Salt, and Pepper
  • Spread mixture evenly over each Tuna Steak coating all sides
  • Add Coconut Oil to a large cast iron skillet, heat on med/high heat
  • When oil is melted and shimmering add Tuna Steaks
  • Cook 1-2 minutes each side for rare, or 3-4 minutes for medium to well done
  • Remove from skillet and serve immediately
  • Enjoy!

Nutrition

Calories: 338kcalCarbohydrates: 1gProtein: 40gFat: 19gSaturated Fat: 11gPolyunsaturated Fat: 3gMonounsaturated Fat: 3gCholesterol: 65mgSodium: 1811mgPotassium: 449mgFiber: 0.3gSugar: 0.1gVitamin A: 3784IUVitamin C: 0.2mgCalcium: 22mgIron: 2mg
Keyword blackened tuna, Blackened Tuna Steaks, fish, seafood, tuna, tuna steaks
Tried this recipe?Let us know how it was!

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Comments

  1. Stephanie says

    September 17, 2025 at 5:54 pm

    5 stars
    This is my go-to tuna recipe. I love the blackened spices. It turns out perfectly delicious every time. Thank you.

    Reply
    • Sara says

      September 17, 2025 at 7:48 pm

      Thanks so much Stephanie!

      Reply
  2. Kate says

    July 17, 2024 at 4:13 pm

    5 stars
    This is wonderful! Hot for my tastes, but in a good way. I cooked it for 5 minutes per side & used olive oil. Thank you for posting it.

    Reply
    • Sara says

      July 18, 2024 at 7:19 am

      Thanks so much for your feedback Kate!

      Reply
  3. Julie says

    June 05, 2024 at 9:02 pm

    5 stars
    First time making a Tuna Steak, so delicious. I used less cayenne since I can’t eat real spicy food. It still tasted amazing. I also added sliced garlic clove . This will be my go to recipe for a tuna steak.

    Reply
    • Sara says

      June 06, 2024 at 9:04 am

      Thanks so much for your feedback Julie!

      Reply
  4. Glendora says

    June 02, 2024 at 6:17 pm

    My husband loves tuna steaks. Not my favorite so I’d never cooked them before. I tried your recipe and I have to say they were delicious. I made up a batch of the blackened seasoning and we’ve used it on salmon and shrimp. Next up is a Caesar Salad with blackened chicken.

    Reply
    • Sara says

      June 02, 2024 at 8:16 pm

      That’s so great to hear Glendora!

      Reply
  5. Constance Pare says

    February 01, 2024 at 8:20 pm

    5 stars
    I’ve never cooked tuna before. After my husband brought home two tuna steaks, we both started looking for recipes and found yours. Since it looked easy I thought I’d give it a try. I am so glad I did . We were both so pleasantly surprised and more than pleased with how they came out. Thank you Sara for a really quick, easy and absolutely delicious recipe.

    Reply
    • Sara says

      February 03, 2024 at 10:43 am

      Thank you so much, so glad you enjoyed this recipe!

      Reply
  6. Shelly Brown says

    April 04, 2023 at 9:08 pm

    I think the salt quantity was way off! Way too salty!

    Reply
    • Sara says

      April 05, 2023 at 1:20 pm

      Everyone’s taste buds are different. You can just use less salt next time.

      Reply
  7. Gordon says

    December 15, 2021 at 7:41 pm

    2 stars
    Cook time is too long, you’re overcooking your tuna and ruining it.

    Reply
    • Sara says

      December 16, 2021 at 9:41 am

      Hi Gordon,

      Take a look at the recipe card, there are different cook times depending on how rare or well done you like yours cooked.

      Reply
      • Heather says

        June 22, 2024 at 6:39 pm

        Some of us like our tuna well done-even if it “ruins” it!! Thanks for the recipe!

        Reply
    • Pierre Pensis says

      May 09, 2022 at 9:30 am

      I don’t have coconut oil can I substitute for olive oil and if so how much olive oil would I use

      Reply
      • Sara says

        May 10, 2022 at 8:39 am

        Yes you can use the same amount of olive oil instead.

        Reply
  8. Mari Zsigo says

    June 07, 2021 at 10:04 pm

    5 stars
    This is so good! I had to do a few substitutions. I used regular cooking and no onion powder. I cooked it for 4 minutes on the first side and that was too long, I did two minutes on the other side. I put it on a bed of romaine lettuce with sliced avocados and added a touch of balsamic vinegar. Delicious. I will make this again.

    Reply
    • Sara says

      June 09, 2021 at 12:29 pm

      So glad you liked it Mari!

      Reply
  9. Patricia Jones says

    July 21, 2020 at 6:26 am

    5 stars
    This is an amazing side dish Sara….and it looks soo yummy & more delicious, loved your pictures as well…i will trying to making tonight…..Thanks for sharing….!

    Reply
    • Sara says

      July 21, 2020 at 10:24 am

      Thanks Patricia! 🙂

      Reply

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Welcome!


Hi! I’m Sara, and welcome to Tastefulventure! Here at Tastefulventure, I’ve been testing gluten-free recipes for over 12 years in hopes of sharing everything I’ve learned with you. I’m a foodie who loves to experiment with many different ingredients. 

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