Keto Chicken Katsu

Annie Lampella @ Ketofocus

By Annie Lampella, Pharm.D.

Published March 11, 2024 • Updated June 4, 2024

This post may contain affiliate links. See my disclosure policy.

This keto chicken katsu recipe features tender chicken cutlets encrusted with a crispy blend of pork panko and sesame seeds and fried until golden. It's served with a low-carb tonkatsu sauce, offering a healthier twist to the classic Japanese dish.

This simplified chicken katsu recipe will satisfy your Japanese cuisine needs without the traditional favorites like low-carb sushi or teriyaki chicken. Using just three main ingredientschicken breasts, pork panko and sesame seeds – this dish creates an extra crispy, golden crust while ensuring the chicken remains juicy and tender inside. Sliced keto katsu chicken over a bead of cauliflower rice on a white plate and topped with sauce and sesame seeds.

What makes this recipe keto?

  • Pork panko – Instead of the panko breadcrumbs used in traditional katsu, this version uses pork panko. Made from ground-up pork rinds, pork panko has a light, airy texture similar to regular panko crumbs with zero carbs! Since pork panko is large and flaky, it can absorb less oil when fried, making it perfect for producing an extra crispy exterior when frying.
  • Sugar-free tonkatsu sauce – Tonkatsu sauce is a thick, savory condiment served on top of breaded and fried pork or chicken cutlets. It is sweet and tangy. Although the traditional sauce is high in carbs, this low-carb version is made using only 5 ingredients including low-sugar ketchup and sugar-free sweetener. 

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Keto Chicken Katsu

4 (1) Prep 15m Cook 15m Total 30m 4 servings

Keto Chicken Katsu Ingredients

  • 2 large boneless, skinless chicken breast
  • 1 cup pork panko
  • 3 tablespoons sesame seeds
  • cooking oil for frying

Low Carb Tonkatsu Sauce Ingredients

Step by Step Instructions

Step by Step Instructions

1
Slice into chicken cutlets

Cut each chicken breast in half through the middle to get 4 thinner cuts of chicken. Hammer them down to even thickness using a meat hammer, rolling pin or meat tenderizer.

Four chicken cutlets on a sheet of parchment paper next to a meat hammer.
Ingredients for this step
  • 2 large boneless, skinless chicken breast
2
Keto panko mixture

Place the pork panko and sesame seeds in a shallow bowl or plate. Add a generous sprinkle of salt. Mix to combine.

A plate with panko and sesame breading on it.
Ingredients for this step
  • 1 cup pork panko
  • 3 tablespoons sesame seeds
  • salt
3
Coat panko crust

Coat both sides of each chicken cutlet in the panko mixture, pressing to adhere as much panko into the chicken as possible.

A chicken breast coated with pork panko and sesame seeds on a plate with more breading.
4
Fry chicken

Heat 3-4 tablespoons of cooking oil in a large skillet over medium-high heat. Add the chicken and cook until golden brown (3-4 minutes). Flip and cook until golden brown on the other side or until the chicken reaches an internal temperature of 150-155°F. Remove chicken. Set aside on a paper towel-lined plate.

A breaded piece of cooked chicken in a skillet.
Ingredients for this step
  • cooking oil
5
Slice chicken

Once the chicken has cooled enough to handle, slice into thin strips. Serve over cauliflower rice with tonkatsu sauce drizzles on top.

Slice katsu chicken on a cutting board next to a knife.
6
Make keto tonkatsu sauce

Mix together ketchup, Worcestershire sauce, soy sauce or liquid aminos, sweetener and garlic powder in a small bowl.

A white bowl with homemade tonkatsu sauce in it.
Ingredients for this step
  • 1/4 cup no-sugar added ketchup
  • 2 ½ tablespoons Worcestershire sauce
  • 1 tablespoon soy sauce or liquid aminos
  • 1 teaspoon sugar-free sweetener
  • 1/8 teaspoon garlic powder
Nutrition Per Serving
237 Calories
11.8g Fat
30.7g Protein
2.7g Net Carbs
3.9g Total Carbs
4 Servings
Nutrition disclaimer

The nutrition information provided is an estimate and is for informational purposes only. I am a Doctor of Pharmacy (Pharm.D.); however, this content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always consult your physician or other qualified health provider before making any lifestyle changes or beginning a new nutrition program.

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What is katsu?

A popular Japanese dish, Katsu is a panko breaded, deep-fried cutlet of meat that is cooked golden brown and crispy. Typically, katsu is served as pork or chicken. It is often served over shredded cabbage or rice.

Substitutions

Protein

Instead of traditional chicken katsu, try using thin, even slices of boneless pork chop or pork tenderloin to make pork katsu. For a vegetarian option, tofu or even some vegetables like zucchini or portobello mushrooms can be used.

Panko

Pork panko works best as a replacement for panko breadcrumbs since they have a similar texture and light & airy consistency. In other recipes, I have used grated parmesan cheese as a replacement for pork panko; however, this will significantly change the flavor of the dish and make it taste more like parmesan crusted chicken instead of katsu.

Sesame seeds

Sesame seeds add flavor and crunch to the crispy exterior of the chicken cutlets. They can be omitted if you don’t have them on hand or don’t care for the flavor.
A plate with chicken katsu topped with sauce, sesame seeds and sliced green onions next to sliced cucumbers and ginger.

Storage information

Leftover chicken katsu can be stored in the refrigerator for up to 4 days in an airtight container or in the freezer for up to 1 month. Ideally, store the chicken on top of a small wire rack that fits inside the container to help maintain crispiness by allowing air circulation around it.

Reheating instructions

To reheat chicken katsu and get it crispy again, use an oven or an air fryer. Preheat the oven to 375°F or the air fryer to around 350°F. Place the katsu on a baking sheet or in the air fryer basket and heat until it’s heated through and the exterior is crispy again, usually about 10-15 minutes in the oven, or less in the air fryer, depending on the thickness of the katsu. Avoid the microwave for reheating. It makes the breading soggy.
Keto Chicken Katsu

Frequently Asked Questions

Do I need to use an egg?

No beaten egg is required to get the pork panko and sesame mixture to stick to the chicken. The crust stays put because I press the crumb mixture firmly into each chicken cutlet.

What to serve with chicken katsu?

Keto chicken katsu can be served over cauliflower rice or hearts of palm rice. Zucchini noodles or shirataki noodles would be excellent sides as well.

What type of cooking oil should be used to fry katsu?

Any neutral oil that has a high smoke point like avocado oil can be used to fry the katsu cutlets.

About the Author
Annie Lampella, Pharm.D.

Annie Lampella, Pharm.D.

Annie is a Doctor of Pharmacy, mom, and the recipe creator behind KetoFocus. With a B.S. in Genetics from UC Davis, she has over 14 years of experience developing family-friendly keto recipes based on the science of human metabolism.

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  1. B
    Bryce T. Apr 6, 2025

    I made this for dinner last night and it turned out great. The pork panko gives the chicken such a nice crunch and it really does feel like a classic katsu. The tonkatsu sauce was a little tangier than I expected but still good. Definitely helped me stick to my low carb goals.

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