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RECIPE
20 INGREDIENTS 15 STEPS 1hr

Keto Filet-o-Fish Burger

4.8
9 Ratings
Turning the classic, nostalgic Filet-o-Fish Burger into a low-carb, keto version. This homemade Keto Filet-o-Fish Burger is made with gluten-free, keto burger buns and pork-rinds as crumbs for that crispy fish fillet.
Keto Filet-o-Fish Burger Recipe | SideChef
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Turning the classic, nostalgic Filet-o-Fish Burger into a low-carb, keto version. This homemade Keto Filet-o-Fish Burger is made with gluten-free, keto burger buns and pork-rinds as crumbs for that crispy fish fillet.

How To Make Keto Filet-o-Fish Burger

How To Make Keto Burger Buns From Scratch

Making your own keto-friendly burger buns is not as intimidating as it sounds. You can just follow these six simple and easy steps:
  • In a food processor or blender, combine and pulse all the dry ingredients: almond flour, flaxseed meal, xantham gum, baking soda, and baking powder. Set it aside until ready to combine with the wet ingredients.
  • Combine the cooled melted cheese mixture with the egg in a separate bowl; this will be your wet mixture.
  • Pour in the wet mixture to the dry ingredients and pulse until a dough crumbly consistency.
  • Unlike making the usual dough, you will just need to knead the dough quickly, and there is no need to knead it until smooth.
  • Divide the dough into equal parts, form it into a regular burger bun, and brush it with some egg wash before baking.
  • Bake your keto burger buns for 10-15 minutes or just until it’s golden brown at 350 degrees F (175 degrees C). Set aside until ready to assemble.


How To Prepare Keto-Friendly Fish Fillets

Start by setting up your assembly station: in separate shallow dishes, prepare the cleaned fish fillets, egg, and keto breadcrumbs or ground pork rinds. Dip the fish fillet into your egg wash, make sure to drench it thoroughly for the breadcrumbs to stick well. Coat it with the seasoned ground pork rinds; you can also press it down a little bit to help it to stick entirely. Fry the coated fish fillets at 350 degrees F (175 degrees C) until golden brown and crispy. You can use a wire rack or a shallow dish with paper towels to absorb the excess oil and keep it crispy.

How To Prepare Tartar Sauce

Making tartar sauce is super easy; you will just need to combine all the ingredients and set it aside until ready to use. You can also use this tartar recipe with other recipes and not just for keto-friendly dishes.

Ingredients & Substitutions

Burger Bun:
  • Mozzarella Cheese - has a chewy texture and can easily be formed after melting. Mozzarella is low-carb and mild in flavor, making it versatile and a pantry staple for keto dieters.
  • Cream Cheese - another keto favorite! It is also easily melted and can infuse great flavor to your keto burger buns. Unlike mozzarella cheese, cream cheese is tangy, has a salty flavor, and has good fat content for your special diet.
  • Eggs - you will be using eggs as a binder, egg wash for burger buns, and dredging for fish fillets. Eggs are also carb-free, making them a great keto diet staple!
  • Almond Flour is a go-to flour for keto recipes because it has a higher fat content but low in carbohydrates.
  • Flaxseed Meal - packed with dietary fiber that is low-carb and keto-friendly. It’s a thickening agent that helps bind all the ingredients together; it has a slightly nutty flavor for baked goods.
  • Xantham Gum - in the absence of gluten, xanthan gum helps retain the bun structure and helps create some crust too.
  • Baking Powder and Baking Soda - these ingredients are leavening agents and will help the burger buns rise.
Fish Fillet:
  • White Fish Fillet - popular for frying because of its flakiness and firm texture. Whitefish fillet cooks quickly and has a mild taste, too, making it easy to season. You can use pollock, cod, or flounder.
  • Pork Rinds - a typical low-carb snack for a keto diet. If you’re using unseasoned pork rinds, don’t forget to season it with some salt.
Tartar Sauce:
  • Mayonnaise - an ideal base for your creamy and tangy dipping sauce. This is a pantry staple with many uses, especially in keto, since you get a good amount of fat with very low carb content. You can also whip your own mayonnaise in just 10 minutes using this recipe: Classic Mayonnaise.
  • Capers - a great addition to the dipping sauce for its briny and salty burst of flavor. Although capers can be substituted with some green olives, we still recommend using capers for this tartar sauce recipe.
  • Pickles - known for its sweet, salty, briny, and sour flavor profiles. It’s almost impossible to find a tartar sauce recipe without pickles because it adds a punch of flavor to your sauce. Feel free to use your favorite pickles, from dill pickles to gherkin pickles.
  • Pickle Juice - aside from helping thinning out the sauce, pickle juice adds some zesty flavor with its acidic brine taste.
  • Lemon Juice - add some fresh lemon juice to your tartar sauce for a refreshing and vibrant taste.

Tips & Suggestions

  • Whenever adding fresh eggs to a heated or cooked wet mixture, always cool down the mixture before adding the egg. This will help avoid cooking the egg and having a scrambled egg consistency.

Frequently Asked Questions

What types of fish are keto-friendly?

Fish is an excellent protein option when you are on a keto diet. Pollock, salmon, flounder, cod, herring are just some of the keto-friendly fish types you can enjoy.

What fish is used in McDonald’s Filet-O-Fish?

McDonald’s uses Alaska Pollock fish. We also used pollock for this recipe to give you almost the same experience as the flaky white fish.

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CONTINUE READING
La Jefa at the SideChef Kitchen Studio. Culinary Producer by day, striving to attain a “balanced” lifestyle by night. Favourite Foods: Cheese, Pesto, Dark Chocolate and Steak.
http://instagram.com/whitneylofts
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La Jefa at the SideChef Kitchen Studio. Culinary Producer by day, striving to attain a “balanced” lifestyle by night. Favourite Foods: Cheese, Pesto, Dark Chocolate and Steak.
http://instagram.com/whitneylofts
1hr
Total Time
$8.53
Cost Per Serving

Ingredients

Servings
4
US / METRIC

Burger Bun

4 Tbsp
Cream Cheese
1
Large Egg
1 3/4 cups
Almond Flour
1/4 cup
Flaxseed Meal
or 1/4 cup Almond Flour
2 Tbsp
Xanthan Gum
1 Tbsp
Baking Powder
1 Tbsp
Baking Soda
1
Egg , beaten
for egg wash
8 slices
American Cheese Slices
for assembly
or Cheddar Cheese

Fish Fillet

4
(500 g)
White Fish Fillets
I used Pollock Fillets
1.5 oz
Pork Rinds
1
Egg , beaten
to taste
as needed
Neutral Oil
about 4 cups, for frying

Tartar Sauce

1/2 cup
Mayonnaise
I used Japanese Mayo
2 Tbsp
Capers , roughly chopped
2
Small Pickles , roughly chopped
1 Tbsp
Pickle Juice
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Nutrition Per Serving

VIEW ALL
CALORIES
1732
FAT
101.0 g
PROTEIN
161.2 g
CARBS
42.4 g

Author's Notes

If you’re paleo, you can achieve an even lighter result by substituting ½ cup of the total almond flour with arrowroot flour.

Cooking Instructions

HIDE IMAGES
Step 1
Add the Mayonnaise (1/2 cup) , Capers (2 Tbsp) , Pickles (2) , Lemon Juice (1 Tbsp) , Pickle Juice (1 Tbsp) and stir to combine. Chill until ready to serve.
Step 2
Preheat the oven to 350 degrees F (175 degrees C).
Step 3
Add the Almond Flour (1 3/4 cups) , Flaxseed Meal (1/4 cup) , Xanthan Gum (2 Tbsp) , Baking Soda (1 Tbsp) , and Baking Powder (1 Tbsp) together and blitz in a food processor. Set aside.
Step 4
Place the Mozzarella Cheese (1 1/2 cups) and Cream Cheese (4 Tbsp) into a microwave for 1 minute.
Step 5
Stir to combine. Once combined and cool to touch add the Egg (1) and mix to incorporate.
Step 6
Combine both the wet and dry mixture together until a dough forms. Start by pulsing, then let the blades run as the dough combines.
Step 7
Give the dough a quick knead, then divide the dough into equal-sized portions. I weighed mine, but you can just eyeball the portions if you want.
Step 8
Form dough into a ball and place on a baking tray. Smooth the surface with an ice cube, then brush with a Egg (1) .
Step 9
Bake for 15-20 minutes until golden brown.
Step 10
Pulse the Pork Rinds (1.5 oz) in the food processor until it becomes a fine crumb coating. Season with Salt (to taste) if using unseasoned rinds. Transfer to a bowl.
Step 11
Dredge the White Fish Fillets (4) in the Egg (1) before tossing into the crumb coating.
Step 12
Heat the Neutral Oil (as needed) in a heavy saucepan until it reads 350 degrees F (175 degrees C). Fry until the fish is golden brown (3-5 minutes), then transfer to a wire rack.
Step 13
Cut buns in half and place on parchment-lined baking sheet.
Step 14
Place fish filets on each bun and top two slices of American Cheese Slices (8 slices) on each piece of fish and broil for 30 seconds or until the cheese has melted.
Step 15
Assemble the burger with the fried fish and a generous schmear of tartar sauce.

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Nutrition Per Serving
Calories
1732
% Daily Value*
Fat
101.0 g
129%
Saturated Fat
29.1 g
146%
Trans Fat
0.2 g
--
Cholesterol
690.1 mg
230%
Carbohydrates
42.4 g
15%
Fiber
17.2 g
61%
Sugars
14.1 g
--
Protein
161.2 g
322%
Sodium
4231.6 mg
184%
Vitamin D
9.9 µg
50%
Calcium
1229.4 mg
95%
Iron
6.0 mg
33%
Potassium
2414.3 mg
51%
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