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Spicy Korean BBQ Chicken Sandwich (The Ultimate Recipe)

By Kayla Arden

On March 8, 2026

A close-up shot of the gochujang chicken being glazed in a pan for the Spicy Korean BBQ Chicken Sandwich.

Cuisine

American, Korean

Prep time

15 minutes

Cooking time

15 minutes

Total time

30 minutes

Servings

4 sandwiches

Get ready to transform your lunch and dinner routine with this incredible Spicy Korean BBQ Chicken Sandwich. This recipe is the perfect fusion of fiery, sweet, and savory flavors, all piled high on a toasted brioche bun. We’re talking about incredibly tender chicken smothered in a homemade gochujang-based BBQ sauce, balanced with a crisp, refreshing slaw. It’s a restaurant-quality meal that’s surprisingly easy to make right in your own kitchen. Forget boring lunches; this sandwich is an exciting flavor adventure you’ll want to embark on again and again.

We designed this recipe to be straightforward without sacrificing that authentic Korean-inspired taste. The sauce comes together in minutes, and the chicken cooks up quickly, making it a perfect weeknight dinner option. This is the ultimate Spicy Korean BBQ Chicken Sandwich you’ve been searching for.

Why This Will Be Your New Favorite Sandwich

This isn’t just another chicken sandwich. It’s an experience. The magic lies in the balance of flavors and textures. The rich, spicy-sweet glaze on the chicken, the cool crunch of the slaw, and the soft, buttery bun create a perfect harmony in every single bite. It hits all the right notes and is guaranteed to satisfy even the biggest cravings.

The Magic is in the Sauce: Key Ingredients

The heart and soul of this Spicy Korean BBQ Chicken Sandwich is, without a doubt, the sauce. It’s a vibrant, powerful combination of classic Korean staples that creates a glaze unlike any other. Gochujang, a fermented Korean chili paste, provides a deep, savory heat that’s complex and delicious. We balance its intensity with soy sauce for umami, rice vinegar for a tangy brightness, and a little brown sugar for that signature caramelized sweetness.

Assembling the Spicy Korean BBQ Chicken Sandwich with fresh, crunchy coleslaw on a toasted brioche bun.
Piling the cool, crunchy slaw on top for the perfect bite.

For the Spicy Korean BBQ Sauce

  • Gochujang: This is the star. Its unique spicy and savory flavor is essential.
  • Soy Sauce: Use low-sodium to better control the saltiness.
  • Rice Vinegar: Adds a necessary tang to cut through the richness.
  • Toasted Sesame Oil: For a nutty, aromatic depth.
  • Brown Sugar: Provides sweetness and helps the sauce caramelize beautifully.
  • Fresh Ginger & Garlic: Aromatic powerhouses that build the flavor base.

For the Chicken and Sandwich Assembly

  • Chicken Breasts: Boneless, skinless breasts work best. Pound them to an even thickness for quick, uniform cooking.
  • Brioche Buns: Their soft, buttery texture is the perfect vessel for the bold flavors.
  • For the Slaw: A simple mix of shredded cabbage, carrots, and a light mayo-based dressing provides a cool, crunchy contrast.
  • Mayonnaise: The base for our quick spicy mayo.
  • Pickles & Onions: Optional but recommended for an extra layer of crunch and tang. For a great homemade option, try these Vietnamese vegetable pickles.

How to Make the Perfect Spicy Korean BBQ Chicken Sandwich

Follow these simple steps to create a sandwich that’s bursting with flavor. The process is quick, making this an ideal recipe for a busy weeknight.

  1. Make the Sauce: In a small bowl, whisk together the gochujang, soy sauce, rice vinegar, sesame oil, brown sugar, minced garlic, and grated ginger. Set aside half of the sauce for later.
  2. Prepare the Chicken: Pat the chicken breasts dry and pound them to an even ½-inch thickness. This ensures they cook quickly and evenly. Season both sides with salt and pepper.
  3. Cook the Chicken: Heat a lightly oiled grill or large skillet over medium-high heat. Cook the chicken for 4-6 minutes per side, or until cooked through. In the last minute of cooking, brush the chicken generously with the BBQ sauce.
  4. Prepare the Slaw: While the chicken cooks, combine the shredded cabbage and carrots in a bowl. In a separate small bowl, mix the mayonnaise with a splash of rice vinegar and a pinch of sugar. Toss the dressing with the cabbage mix.
  5. Assemble the Sandwich: Toast your brioche buns for the best texture. Spread a thin layer of spicy mayo on the bottom bun. Place the cooked chicken on top, drizzle with the reserved BBQ sauce, and pile high with the crunchy slaw. Add your favorite toppings and the top bun. Serve immediately!
A close-up shot of the gochujang chicken being glazed in a pan for the Spicy Korean BBQ Chicken Sandwich.
The secret is in this irresistible, perfectly caramelized gochujang glaze.

Tips for Sandwich Success

A few simple tips can elevate your sandwich from great to absolutely unforgettable.

  • Toast the Buns: Don’t skip this step! Toasting the buns in a little butter prevents them from getting soggy and adds incredible flavor.
  • Don’t Overcook: Chicken breast can dry out quickly. Use a meat thermometer to ensure it reaches an internal temperature of 165°F, then pull it from the heat immediately.
  • Let It Rest: Allow the chicken to rest for a couple of minutes before placing it on the sandwich. This helps the juices redistribute, ensuring a tender bite.
  • Balance the Heat: The slaw and a creamy mayo are key to balancing the spice of the sauce. For a cooling dip on the side, you could even try this easy homemade ranch dressing (coming soon).

What to Serve with Your Korean Chicken Sandwich

While this Spicy Korean BBQ Chicken Sandwich is a complete meal on its own, it pairs wonderfully with a few classic sides. Consider serving it with sweet potato fries, a simple cucumber salad, or crispy onion rings. The crisp texture and simple flavors of these sides complement the sandwich without overwhelming it.

Customizations and Variations

This recipe is a fantastic starting point, but feel free to make it your own!

  • Use Chicken Thighs: For even juicier meat, use boneless, skinless chicken thighs instead of breasts.
  • Add Cheese: A slice of provolone or pepper jack cheese melted over the chicken is a delicious addition.
  • Change the Bread: While brioche is classic, this sandwich is also amazing on a sturdy bun like in this homemade ciabatta bread recipe (coming soon).
  • Try a Different Protein: For a different twist on these flavors, check out this recipe for hot honey fried shrimp (coming soon).

Frequently Asked Questions

Absolutely! Boneless, skinless chicken thighs are a great alternative. They are naturally juicier and can be more forgiving if slightly overcooked. The cooking time may be a minute or two longer per side.

Yes, you can cook the chicken and prepare the sauce up to 2 days in advance. Store them in separate airtight containers in the refrigerator. When ready to serve, gently reheat the chicken and toss with the sauce before assembling the sandwiches.

To reduce the heat, you can decrease the amount of gochujang in the sauce by a tablespoon or two and replace it with a low-sodium soy sauce or a little honey. Also, ensure you are using a mild brand of gochujang, as heat levels can vary.

Gochujang is a savory, sweet, and spicy fermented chili paste from Korea. Its unique flavor is key to this recipe. If you can’t find it, you can try mixing sriracha with a little miso paste and a pinch of brown sugar, but the flavor will be different.

We love soft and buttery brioche buns because they complement the bold flavors of the chicken. However, a sturdy ciabatta roll or even toasted sourdough would also be delicious options.

Your New Go-To Sandwich Recipe

This Spicy Korean BBQ Chicken Sandwich recipe is a true showstopper, packed with bold flavors and satisfying textures. It’s the perfect way to spice up your meal rotation. If you make this recipe and love it, we’d be thrilled if you shared your creation with us. Pin it, post it, and be sure to follow us on Pinterest for more delicious inspiration!

A delicious Spicy Korean BBQ Chicken Sandwich on a wooden board, piled high with gochujang-glazed chicken and crunchy slaw.
This is the flavor-packed sandwich you've been dreaming of!

Spicy Korean BBQ Chicken Sandwich Recipe

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A close-up shot of the gochujang chicken being glazed in a pan for the Spicy Korean BBQ Chicken Sandwich.

Spicy Korean BBQ Chicken Sandwich (The Ultimate Recipe)

This Spicy Korean BBQ Chicken Sandwich recipe features tender, juicy chicken grilled to perfection and smothered in a fiery, sweet, and savory homemade gochujang sauce, served on a toasted brioche bun with crunchy slaw.
Prep Time 15 minutes
Cook Time 15 minutes
Total Time 30 minutes
Servings: 4 sandwiches
Course: Dinner, Lunch, Main Course
Cuisine: American, Korean
Calories: 580
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Ingredients
  

For the Spicy Korean BBQ Sauce
  • 1/3 cup gochujang (Korean chili paste)
  • 3 tbsp low-sodium soy sauce
  • 2 tbsp brown sugar packed
  • 1 tbsp rice vinegar
  • 2 tsp toasted sesame oil
  • 2 cloves garlic minced
  • 1 tsp fresh ginger grated
For the Sandwich
  • 4 boneless, skinless chicken breasts about 6 oz each, pounded to 1/2-inch thickness
  • 1 tsp vegetable oil for cooking
  • 4 brioche buns split and toasted
  • 2 cups shredded cabbage or coleslaw mix
  • 1/4 cup mayonnaise
  • 1 tsp rice vinegar for the slaw
  • 1/2 tsp sugar for the slaw

Equipment

  • 1 Large Skillet or Grill
  • 2 Mixing bowls
  • 1 Whisk

Method
 

  1. In a small bowl, whisk together all ingredients for the Spicy Korean BBQ Sauce: gochujang, soy sauce, brown sugar, 1 tbsp rice vinegar, sesame oil, garlic, and ginger. Set aside.
  2. Pat the chicken breasts dry and season lightly with salt and pepper. In a separate bowl, combine the shredded cabbage, mayonnaise, 1 tsp rice vinegar, and sugar for the slaw. Mix well and set aside.
  3. Heat vegetable oil in a large skillet or on a grill over medium-high heat. Cook chicken for 4-6 minutes per side, until cooked through (internal temperature reaches 165°F).
  4. In the final minute of cooking, brush the chicken generously on both sides with the prepared BBQ sauce, allowing it to caramelize slightly.
  5. Toast the brioche buns. Place a piece of saucy chicken on each bottom bun, top with a generous portion of slaw, and cover with the top bun. Serve immediately.

Notes

For an extra kick, add a teaspoon of sriracha or gochugaru to your sauce.
Toasting the buns with a little butter in the skillet adds amazing flavor and prevents them from becoming soggy.

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