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Best Fish Tacos Recipe (Keto, Low Carb)

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Want the best fish tacos recipe to enjoy on a keto low carb eating plan? These healthy fried fish tacos are quick and easy!

The best keto paleo fish tacos recipe
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Love fried breaded fish served in tortillas? There’s no need to miss out! Even though tacos are often high in carbohydrates, they can easily be made keto friendly.  And once you give them a try, they are sure to become one of your favorite low carb Mexican recipes!

The flaky fish, with a crispy outside, makes the perfect base for the delightful tacos.  I literally don’t remember a time that these didn’t hit the spot when craving a yummy taco.

There is just something so tasty about fish tacos, easily making them one of my favorite taco recipes.  I will warn you though that these are delicious and you might have to keep yourself from going back for seconds and thirds.

Ingredients needed for my best fish tacos recipe

Ingredients for making keto paleo fish tacos

To make these amazing fried fish tacos, you’ll need to have the following ingredients on hand:

  • cod fillets, diced
  • whey protein powder
  • baking powder
  • garlic salt
  • chili powder
  • cayenne pepper (for a little extra kick)
  • eggs

How to make easy fish tacos

Dry mix for keto fish tacos

The whey protein, baking powder, salt, chili powder, and cayenne pepper (if using) are whisked together in a medium-sized bowl for the low carb breading. In another bowl, the eggs are beaten.

Next, the cod is diced into bite-sized pieces. Then it’s dipped into the dry mixture followed by a quick dip into the beaten eggs. Finally, it’s dipped back into the dry mixture. The process is then repeated until all the fish pieces are well coated.

Frying the fish for paleo tacos

A large skillet is used to fry each piece in hot oil about ¼ to ½ deep. It takes about 3-5 minutes to cook each side of the fish to a golden brown color. When fully cooked, the fish should flake easily.

If you’d prefer, an air-fryer could by used to reduce the amount of oil and make less mess. The fish could probably be baked in the oven as well.

I’d suggest cooking at 350°F in the air fryer for 10-12 minutes and flipping half-way or giving a little shake. In the oven, I’d try either 375°F or 400°F for about ten minutes or until browned.

Fried breaded fish for keto tacos

How to serve fish tacos

The fried breaded fish are best served with homemade keto-friendly tortillas along with Pico de Gallo and a few lime slices. Or try serving them with some cucumber salsa which has less fruit sugar than those made with only tomato. The taco mayo sauce I use for serving burnt broccoli is another great option!

If you don’t have any tortillas made, that’s perfectly okay. The recipe can be made served without the tortillas and enjoyed as a paleo fish taco bowl. Or, just enjoy them as fish lettuce wraps.

These cod fish tacos are great as a lighter lunch or you can add sides to it for a full dinner. And they are so delicious that even your non-keto friends and family will love the recipe.

Top view of the breaded fish in the low-carb tortillas

What fish is best for fish tacos

Here’s some fish that could be used for these keto fish tacos:

  • Cod
  • Flounder
  • Trout
  • Salmon
  • Catfish
  • Tilapia
  • Tuna

Other low carb taco recipes

Here’s a few of my other low carb taco recipes that you may enjoy:

Fish tacos in low-carb tortillas

Kitchen Tools Used

To make these delicious low carb fish tacos, you’ll need the following:

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Fish tacos in low carb tortillas

Best Fish Tacos (Keto, Low Carb)

Author: Lisa MarcAurele
4.75 from 4 votes
Want a healthy fish tacos recipe to enjoy on a keto low carb eating plan? These fried fish tacos make a quick and easy lunch or dinner!

Recipe Video (Click on Image to Play)

Prep Time10 mins
Cook Time10 mins
Total Time20 mins
Course: Main Course
Cuisine: Mexican
Print Pin Review Recipe Save Recipe Save Recipe
Servings 4 people
Calories 134

Ingredients

  • ½ lb cod
  • ½ c whey protein see notes for substitute
  • 1 tsp baking powder
  • 1 tsp garlic salt
  • 1 tsp chili powder
  • ¼ tsp cayenne pepper optional
  • 2 eggs
  • Lettuce Lime & Pico for serving
US Customary – Metric

Instructions

  • In a medium-size bowl, whisk together whey protein, baking powder, salt, chili powder and cayenne pepper if using.
  • In another medium-size bowl whisk eggs.
  • Cut cod into bite sized pieces.
  • Dip cod into dry mixture followed by the egg and back into the dry mixture, coating all sides. Repeat until all cod has been coated.
  • Over medium-high heat, heat up ¼”-½” of oil.
  • Carefully place cod and allow to cook 3-5 minutes per side. If fish is cut thicker, allow time to cook accordingly.
  • You are looking for the coating to become a golden brown color.
  • Remove from skillet and place on paper towel.
  • Add in next batch of cod until all has been cooked.
  • Serve with lettuce or salad mixture, pico and squeeze of lime juice.

Notes

  • Almond flour or crushed pork rinds should work in place of the whey protein
  • Don’t forget the limes!
  • Make sure your skillet is hot before cooking the fish to ensure a nice, crisp finish.

Low Carb Sweeteners | Keto Sweetener Conversion Chart

low carb yum 5-ingredient keto

Nutrition

Calories: 134 | Carbohydrates: 3g | Protein: 18g | Fat: 4g | Saturated Fat: 0g | Cholesterol: 108mg | Sodium: 698mg | Potassium: 550mg | Fiber: 1g | Sugar: 0g | Vitamin A: 715IU | Vitamin C: 4.5mg | Calcium: 141mg | Iron: 1.9mg

Additional Info

Net Carbs: 2 g | % Carbs: 6.9 % | % Protein: 62.1 % | % Fat: 31 % | SmartPoints: 2
Values 
Array
(
    [calories] => 134
    [carbohydrates] => 3
    [protein] => 18
    [fat] => 4
    [saturated_fat] => 0
    [cholesterol] => 108
    [sodium] => 698
    [potassium] => 550
    [fiber] => 1
    [sugar] => 0
    [vitamin_a] => 715
    [vitamin_c] => 4.5
    [calcium] => 141
    [iron] => 1.9
)

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Note on Nutritional Information

Nutritional information for the recipe is provided as a courtesy and is approximate only. We cannot guarantee the accuracy of the nutritional information given for any recipe on this site. Erythritol carbs are not included in carb counts as it has been shown not to impact blood sugar. Net carbs are the total carbs minus fiber.

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Unauthorized use of this material without written permission from Lisa MarcAurele is strictly prohibited unless for personal offline purposes.
Single photos may be used, provided that full credit is given to LowCarbYum.com along with a link back to the original content.

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Lisa-Profile

Lisa MarcAurele has been creating keto friendly recipes since 2010. She enjoys experimenting in the kitchen to create low sugar foods that taste like high carb favorites!

Lisa's recipes have been featured on popular magazine sites including Fitness, Shape, Country Living, Women's Health, and Men's Health. Her long-awaited cookbook, 5-Ingredient Keto, is also a popular go-to for those on a low-carb lifestyle. Learn more about Lisa....

Reader Interactions

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    Recipe Rating




  1. Casey

    I’m wondering if you’ve included the tortilla & pico in the Nutritional Content? If so, which brand tortillas & pico or recipes?

    Reply

    • Lisa MarcAurele

      The tortilla and pico is not included as that can vary depending on amount and specific kind used.

      Reply

  2. Rei Guth

    4 stars
    I used almond flour instead of whey protein and the fish turned out crispy and delicious, but the tacos as a whole were missing something. I recommend adding slaw and mayonnaise.

    Reply

    • Casey

      You’d have to make sure your mayo is keto and adjust the nutritional content accordingly.

      Reply

  3. Meagen Brosius

    5 stars
    Fish tacos are one of our favorites so naturally I had to give this keto friendly version a try! They’re so tasty! We’ll definitely be making them again.

    Reply

  4. Taryn

    5 stars
    These really are the best fish tacos! Thanks for the recipe 🙂

    Reply

  5. Stephanie H

    What is an alternative to the whey protein powder in this recipe?

    Reply

    • Lisa MarcAurele

      I’ll edit the recipe with subs as almond flour or crushed pork rinds should work as well.

      Reply

  6. Lynda

    What changes would I need to make in fish tacos if I don’t have whey?

    Reply

    • Lisa MarcAurele

      I’d just try using finely ground almond flour or crushed pork rinds.

      Reply

    • Casey

      Almond flour

      Reply

  7. Pam

    I love fish tacos and really want to try this recipe. Can something else other than Whey Protein be used? I don’t normally buy or use it.

    Reply

    • Lisa MarcAurele

      Almond flour or crushed pork rinds should work too.

      Reply