Korean Fried Chicken Sandwich with Kimchi Slaw and Sriracha Mayo brings together crisp fried chicken, cool crunchy slaw, and a creamy spicy spread tucked into a soft bun. Each layer adds contrast: hot and cold, crisp and tender, rich and tangy.
This sandwich takes inspiration from Korean fried chicken, known for its light crisp coating and bold flavor. Pairing it with kimchi slaw adds brightness and crunch, while sriracha mayo rounds everything out with gentle heat and creamy texture. It is the kind of sandwich that feels substantial enough for dinner yet relaxed enough for a casual weekend lunch.
The secret is balance. The chicken should stay juicy, the coating should stay crisp, and the toppings should add texture without overpowering the sandwich.
Ingredients Overview
The chicken is the center of this sandwich, and boneless skinless chicken thighs work especially well. Thigh meat stays moist during frying and offers rich flavor. Chicken breast can be used if preferred, though it benefits from careful cooking to avoid dryness.
A buttermilk marinade softens the chicken and seasons it throughout. A touch of garlic, ginger, and salt adds depth without competing with the final toppings.
For the coating, flour and cornstarch work together. Flour gives structure while cornstarch helps create the delicate crisp texture associated with Korean-style fried chicken. Baking powder contributes lightness.
Kimchi slaw brings freshness. Traditional napa cabbage kimchi adds tangy fermented notes that cut through the richness of fried chicken. Mixing kimchi with shredded cabbage and carrots softens the intensity and creates a lighter texture. A small amount of rice vinegar and sesame oil ties the flavors together.
Sriracha mayo acts as the finishing layer. Mayonnaise gives body while sriracha contributes heat and acidity. A squeeze of lime keeps the sauce bright.
Soft brioche buns are a popular choice because they hold fillings well and lightly toast into a buttery exterior. Potato buns or classic sandwich rolls also work nicely.
These ingredients combine into a sandwich with crisp texture, layered flavor, and a satisfying finish.
Ingredients
For the chicken:
1½ pounds boneless skinless chicken thighs
1 cup buttermilk
2 cloves garlic, minced
1 teaspoon grated fresh ginger
1 teaspoon kosher salt
½ teaspoon black pepper
For the coating:
1½ cups all-purpose flour
½ cup cornstarch
1 teaspoon baking powder
1 teaspoon garlic powder
1 teaspoon onion powder
1 teaspoon paprika
1 teaspoon kosher salt
½ teaspoon black pepper
For frying:
Vegetable oil for frying
For the kimchi slaw:
1 cup chopped kimchi, lightly drained
2 cups shredded green cabbage
1 cup shredded carrots
1 tablespoon rice vinegar
1 teaspoon sesame oil
1 teaspoon sugar
For the sriracha mayo:
½ cup mayonnaise
1 tablespoon sriracha
1 teaspoon lime juice
For assembly:
4 brioche buns
4 dill pickle slices
Sesame seeds for garnish (optional)
Step-by-Step Instructions
Start by marinating the chicken. Combine buttermilk, garlic, ginger, salt, and pepper in a bowl. Add the chicken thighs and coat well. Cover and refrigerate for at least 1 hour, though 4 hours gives deeper flavor.
While the chicken marinates, prepare the slaw. Mix chopped kimchi, cabbage, carrots, rice vinegar, sesame oil, and sugar in a large bowl. Toss thoroughly and refrigerate. Chilling helps the vegetables soften slightly while keeping their crunch.
For the sauce, stir together mayonnaise, sriracha, and lime juice until smooth. Refrigerate until ready to use.
Prepare the coating by whisking flour, cornstarch, baking powder, garlic powder, onion powder, paprika, salt, and pepper.
Heat frying oil in a heavy pot or deep skillet to 350°F (175°C). Maintain a steady temperature for even cooking.
Remove one piece of chicken at a time from the marinade and allow excess liquid to drip away. Press firmly into the flour mixture so the coating forms textured ridges. Set coated pieces on a tray for several minutes before frying.
Fry the chicken in batches. Avoid crowding the pan because the oil temperature will drop and the coating can soften. Cook for about 6–8 minutes per side depending on thickness.
The chicken is ready when deeply golden and the thickest section reaches 165°F (74°C). Transfer to a wire rack instead of paper towels to help retain crispness.
Toast the buns lightly in a dry skillet or with a small amount of butter until the cut sides turn lightly golden.
Spread sriracha mayo on both sides of each bun. Place fried chicken on the bottom bun, add a generous layer of kimchi slaw, then top with pickles and sesame seeds if using.
Serve immediately while the chicken remains crisp.
A common mistake is overdressing the slaw. Too much liquid can soften the coating quickly. Another issue is frying at low heat, which can leave the chicken greasy rather than crisp.
Tips, Variations & Substitutions
For extra crisp texture, coat the chicken twice. Dip lightly back into the marinade and return to the flour mixture before frying.
If deep frying is not preferred, cook the coated chicken in an air fryer at 390°F until crisp and fully cooked, turning halfway through. The texture will differ slightly but still works well.
For a milder sandwich, reduce the sriracha and add extra mayonnaise. For additional heat, stir a spoonful of gochujang into the sauce.
Boneless chicken breast is a suitable substitute for thighs. Slice thicker pieces evenly for consistent cooking.
A lighter slaw can be made with Greek yogurt in place of some mayonnaise if blending into the dressing.
Potato rolls, milk buns, or toasted sandwich rolls all pair nicely with the fillings.
Extra toppings can include sliced cucumbers, thin onions, fresh cilantro, or shredded lettuce.
If preparing ahead, keep each component separate and assemble just before serving.
Serving Ideas & Occasions
This sandwich fits casual dinners, game nights, family lunches, and relaxed gatherings with friends.
Serve it with crispy fries, roasted sweet potatoes, kettle chips, or a simple cucumber salad. Pickled vegetables also pair well because they complement the rich fried chicken.
Cold sparkling water with citrus works nicely, and iced tea offers a refreshing contrast.
For a larger spread, cut each sandwich in half and serve alongside slaw and extra sauce for dipping.
Because the flavors are bold yet balanced, this recipe suits both everyday meals and weekend cooking when there is time to enjoy the full process.
Nutritional & Health Notes
This sandwich contains protein from chicken, vegetables from the slaw, and satisfying fats from the sauce and frying process.
Kimchi contributes fermented ingredients and a bright savory character. Cabbage and carrots add texture and fiber.
Using chicken thighs creates rich flavor, while chicken breast offers a leaner option.
Air frying or shallow frying can reduce oil use. Serving with vegetable sides rather than heavier accompaniments can create a more balanced meal.
Portion size matters because the sandwich is substantial. One sandwich with a fresh side dish is often enough for a complete meal.
FAQs
Can I prepare the chicken ahead of time?
Yes. The chicken can marinate overnight, which allows the seasoning to settle into the meat. You can also coat the chicken and refrigerate it briefly before frying. Fry only when ready to serve so the coating stays crisp.
Can I use store-bought kimchi?
Store-bought kimchi works very well. Choose one with balanced acidity and moderate spice. Drain excess liquid before mixing into the slaw to avoid making the sandwich soggy.
What buns work best?
Brioche buns are a popular choice because they are soft and sturdy. Potato buns are another reliable option. Avoid very crusty bread since it can overpower the texture of the chicken.
How spicy is the sandwich?
The heat level is moderate. Most of the spice comes from the sauce and kimchi. Reducing sriracha creates a gentler flavor while keeping the creamy texture.
Can I bake the chicken?
Yes. Bake on a wire rack at 425°F until fully cooked and crisp. Spraying lightly with oil helps with browning. The texture will be different from frying but still enjoyable.
How do I keep the chicken crisp?
Place fried chicken on a wire rack instead of stacking pieces. Assemble the sandwich only when serving and avoid adding overly wet toppings.
Can leftovers be stored?
Store chicken, slaw, buns, and sauce separately in the refrigerator. Reheat chicken in an oven or air fryer until hot and crisp before assembling again.
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