Keto Battered Fish – Perfect Crispy Low Carb Coating

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Keto Battered Fish - easy fried fish recipe
Keto Battered Fish

This Keto Battered Fish is just as you remember; crispy on the outside and juicy and tender on the inside. The delicious fish is best served with our lemony Keto Tartar Sauce.

Battered seafood is the quintessential summer food but almost impossible to find low carb options at the local fish & chip shop. No need to worry, because you can make it at home using the same batter that we created for our Sweet & Sour Pork.

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The batter ingredients cannot be substituted (unless you want a soggy and soft coating).

When picking out your fish, you want a firm, white-fleshed fish with no skin or bones, that is no thicker than 1.5cm/ 3/4in. For Australians; I recommend using Ling, Perch, Flathead or Whiting, and for Americans; Alaskan Pollock, Tilapia, Catfish, or Cod.

Not sure what oil to put in your deep fryer? Read about the different oils in our article on the best oils for deep frying.

This Low Carb Battered Fish recipe makes 4 serves. 1 serving has 4g net carbs.

Leftover Keto Battered Fish can be stored in the fridge for up to 3 days and reheated in a 200C/400F oven for 15 minutes.

Keto Battered Fish Ingredients

Keto Battered Fish Ingredients
Keto Battered Fish Ingredients

How to make Keto Battered Fish

How to make Keto Battered Fish - crispy fried fish recipe
How to make Keto Battered Fish – crispy fried fish recipe
  1. Cut the fish into evenly sized pieces, place on a tray and sprinkle with 1/4 teaspoon of salt.
  2. In a mixing bowl, add the rest of the salt, almond flour, protein powder, baking powder and whisk together.
  3. Add the eggs and sparkling water and whisk well. Set aside for 10 minutes.
  4. Heat your deep fryer to 180C/355F.
  5. Dry the pieces of fish by patting with a paper towel.
  6. Dip into the batter, allow the excess to drip off, then gently lower into the hot oil. Depending on the size of your fryer, you will need to cook in batches.
  7. Gently flip the fish over and cook until golden brown, it should take about 5-7 minutes.
  8. Drain the fish in the fryer basket before placing it onto a cooling rack. Repeat with the remaining fish.
  9. Enjoy with Keto Tartar Sauce and fresh lemon.

We recommend serving your Keto Battered Fish with a side of Keto Coleslaw. They’re an ideal match.

Keto Battered Fish - easy fried fish recipe

Keto Battered Fish - Perfect Low Carb Crispy Coating

This Keto Battered Fish is just as you remember; crispy on the outside and juicy and tender on the inside. The delicious fish is best served with our lemony Keto Tartar Sauce.
4.93 from 91 votes
Print Pin Rate
Course: Dinner, Lunch, Main Course
Cuisine: Australian, British
Prep Time: 10 minutes
Cook Time: 15 minutes
Total Time: 25 minutes
Servings: 4 servings
Calories: 408kcal
Author: Gerri

Ingredients

Instructions

  • Cut the fish into evenly sized pieces, place on a tray and sprinkle with 1/4 teaspoon of salt.
  • In a mixing bowl, add the rest of the salt, almond flour, protein powder, baking powder and whisk together.
  • Add the eggs and sparkling water and whisk well. Set aside for 10 minutes.
  • Heat your deep fryer to 180C/355F.
  • Dry the pieces of fish by patting with a paper towel.
  • Dip into the batter, allow the excess to drip off, then gently lower into the hot oil. Depending on the size of your fryer, you will need to cook in batches.
  • Gently flip the fish over and cook until golden brown, it should take about 5-7 minutes.
  • Drain the fish in the fryer basket before placing onto a cooling rack. Repeat with the remaining fish.
  • Enjoy with Keto Tartar Sauce and fresh lemon.

Nutrition

Calories: 408kcal | Carbohydrates: 6g | Protein: 33g | Fat: 28g | Saturated Fat: 3g | Cholesterol: 217mg | Sodium: 422mg | Potassium: 931mg | Fiber: 2g | Sugar: 1g | Vitamin A: 250IU | Vitamin C: 1.3mg | Calcium: 169mg | Iron: 1.9mg
Low Carb Crispy Battered Fish - easy crispy fried fish recipe
Low Carb Crispy Battered Fish

Looking for more great seafood meals? Try some of our other great Keto recipes;

To make a larger batch of this Keto Battered Fish recipe adjust the servings above.

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23 thoughts on “Keto Battered Fish – Perfect Crispy Low Carb Coating”

  1. This was a very nice recipe. I liked that the batter stayed on the fish. The only thing I will change in the future would be to add a few spices to the batter. Thank you for this recipe I will be using it again.

    Reply
  2. The best batter ever.
    I addad afew Italian herbs and it was amazing…thank you so much for such a simple but great recipe.
    Long may you cookXxxx

    Reply
  3. Pretty darn good. Crunchy and golden. Next time I’ll make the batter a little thinner. Basa fillet was perfect for this recipe.

    Reply
  4. This looks incredible! I was gonna fry up fish in an egg and pork rind coating but this looks way closer to true fried fish batter. And it just so happens that I have a bag of unflavored protein powder that I never used for a previous recipe. Will give it a go!

    Reply
    • Hi Melissa,

      You cannot taste the protein powder in this recipe, you can try using all almond flour but the batter with be denser.

      Reply
  5. Wonderful… Light, fluffy, and crispy. I only had vanilla flavored protein powder available and was worried it would be too sweet. I added some savory and extra lemon juice to balance it and it was a hit. Thanks for recipe.

    Reply
    • Hi Susan,

      The sparkling water makes the batter light and crispy. You could try using plain water, but your batter will be denser.

      Reply
  6. This is such a good recipe! Easy to follow and tastes just like the real deal. I just need to find keto curry sauce now…

    Reply
  7. AH-MA-ZING!!!
    So light and crunchy. Better than the regular recipes. I added a bit of spices to the batter and only had lemon flavoured sparkling water on hand which I used. Best fried fish ever!! Thank you SO MUCH!

    Reply

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