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Summer Chilled Shio Koji Chicken Nanban | Tartar-Free & Gluten-Free Option

塩麹チキン南蛮

Some recipes become family favorites because they are simple, comforting, and easy to return to throughout the year.


This chilled Shio Koji Chicken Nanban is one of those dishes. Marinated with shio koji for tenderness and finished with a light sweet-and-sour sauce, it is served cold without tartar sauce for a refreshing summer meal.

Using potato starch and gluten-free soy sauce also makes it suitable for those looking for a gluten-free alternative.


Perfect for warm days, meal prep, or casual entertaining, this recipe celebrates seasonal ingredients with minimal effort.


Ingredients (Serves 4)

  • 4 boneless, skin-on chicken thighs (about 800 g–1 kg)

  • 3–4 tbsp shio koji

  • Potato starch, as needed

  • 2 red bell peppers

  • Cooking oil, as needed


Nanban Sauce

To Finish

  • White sesame seeds, to taste

  • Lemon wedges, for serving

Instructions

  1. Rub the chicken thighs with the shio koji and let them marinate for 15–30 minutes.

  2. In a small saucepan, combine all the ingredients for the Nanban sauce. Bring to a gentle simmer, then remove from the heat and allow it to cool completely.

    塩麹チキン南蛮タレ

  3. Slice the red bell peppers into thin strips.

  4. Lightly wipe off any excess shio koji from the chicken and coat each piece lightly with potato starch.

    塩麹チキン南蛮

  5. Heat a little cooking oil in a frying pan over medium heat. Cook the chicken until golden brown on both sides and fully cooked through.

    塩麹チキン南蛮

  6. Let the chicken rest for 2–3 minutes, then slice it into bite-sized pieces.

  7. Place the sliced chicken and red bell peppers into the cooled Nanban sauce and gently toss to coat.

    塩麹チキン南蛮

  8. Refrigerate for 30–60 minutes to allow the flavors to develop.

  9. Transfer to a serving plate, sprinkle with white sesame seeds, and serve with fresh lemon wedges.


Storage

Store in an airtight container in the refrigerator.

For the best quality, enjoy within 2 days.


Tips

  • Let the chicken rest for 2–3 minutes after cooking before slicing to keep it juicy.

  • Marinating the chicken in the cooled Nanban sauce helps the flavors develop evenly.

  • Slicing the chicken before marinating allows the sauce to absorb more quickly.

  • Chill for at least 30 minutes before serving for the best flavor and texture.

Variations

  • Add shiso leaves or myoga (Japanese ginger) for a fresh, aromatic twist.

  • Use gluten-free soy sauce, such as tamari, to make this recipe gluten-free.

  • Squeeze fresh lemon juice over the chicken just before serving for a brighter, more refreshing flavor.

Editor's Note

In the warmer months, it is not only freshly cooked food that feels satisfying. Some dishes become even more enjoyable when served chilled.


For this recipe, chicken is marinated with shio koji to make it tender and juicy, then paired with a light sweet-and-sour Nanban sauce. Instead of tartar sauce, this version keeps the flavors fresh and clean, making it a refreshing dish for summer.

It is also a wonderful make-ahead recipe and one you can enjoy as a light seasonal favorite.

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