Let me introduce you to one of my all-time favorite meals: Japchae. Also spelled Chapchae, Jabchae, Chapche, or Japche in different places, this classic Korean dish first opened my heart to Korean cuisine. Our Korean Japchae recipe features sweet potato glass noodles, crisp vegetables, and a simple sweet-and-salty sauce. It’s approachable, flavorful, and easy to love—even if you’ve never cooked Korean food before.
Korean Japchae Recipe
Japchae is a celebrated staple in Korean cooking, prized for its glossy, slippery glass noodles and the contrast of textures from a variety of vegetables. Traditionally made with sweet potato starch noodles, the dish is tossed with a savory-sweet soy-based sauce and finished with sesame oil for aroma. It works well as a main dish or a side, and is suitable for family dinners, potlucks, and festive occasions.
This version is vegetarian by default, but it adapts beautifully to added proteins. Shrimp, thinly sliced chicken, pork, or beef all make excellent additions if you want a heartier meal.
Why You’ll Love This Dish
- Nutritious and colorful: A variety of vegetables delivers vitamins, fiber, and a bright presentation.
- Flexible serving options: Serve Japchae hot as a main or at room temperature as a side or picnic dish.
- Balanced flavors: The sauce balances sweet, salty, and umami notes for a satisfying bite.
- Highly customizable: Swap vegetables or add protein to suit dietary preferences.
Recipe Shopping List
Here are the main ingredients you’ll need. For exact amounts and a printable recipe card, see the recipe section below.
- Avocado oil (or neutral high-heat oil)
- Sesame oil
- Korean glass noodles (sweet potato starch noodles)
- Red bell pepper, sliced
- Shiitake mushrooms, sliced
- Yellow onion, sliced
- Matchstick carrots
- Korean sweet soy sauce (or a sweetened soy glaze)
- Soy sauce
- Mirin
How To Make This Recipe
Below is a clear overview of the cooking process. Follow the full instructions in the recipe card for best results.
- Noodle prep: Boil the sweet potato glass noodles according to package directions, rinse in cool water, drain, and set aside.
- Sauce: Whisk together Korean sweet soy, soy sauce, mirin, and sesame oil in a bowl and set aside.
- Stir-fry: Heat avocado oil (and a touch of sesame oil) in a large wok or skillet. Stir-fry vegetables until tender-crisp.
- Combine: Add the drained noodles and remaining oils to the pan, toss briefly, then add the sauce.
- Finish: Stir until the noodles absorb the sauce, the dish is evenly coated and heated through. Adjust seasoning and serve.
Recipe FAQ
How do I store leftovers?
Store leftovers in an airtight container in the refrigerator for up to three days. The noodles will continue to absorb sauce, so you may want to add a splash of water or oil when reheating to restore the texture.
Can I reheat Japchae?
Yes. Reheat gently in a skillet over medium heat or in the microwave, adding a little water or oil to prevent drying out. Stir frequently until warmed through.
Can I prepare Japchae in advance?
Absolutely. Japchae reheats well and can also be served cold at room temperature, making it convenient for meal prep or gatherings.
Serve This With
- Bulgogi (grilled marinated beef)
- Steamed rice or jasmine rice
- Kimchi for a traditional Korean accompaniment
- Smash mandu (pan-fried dumplings)
More Korean-Inspired Recipes
- Korean Spicy Stir-Fried Chicken and Vegetables
- Traeger Smoked Gochujang Pork Tenderloin
- Gochujang Chicken Stir-Fry
- Kimchi Mandu
My Favorite Banchan (Korean side dishes)
- Stir-Fried Fish Cakes
- Water Kimchi
- Korean Braised Potatoes
- Spicy Radish Salad
- Korean Macaroni Salad
- Korean Spinach Side Dish
- Seasoned Mung Bean Sprouts
- Spicy Cucumber Salad
- Korean Sweet-Tangy Soy Dipping Sauce
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Japchae
This flavorful Korean noodle dish combines sweet potato glass noodles with fresh vegetables and a lightly sweet soy sauce for a dish that can serve as a side or a satisfying main.
10 minutes
15 minutes
25 minutes
Ingredients
- 2 tablespoons avocado oil
- 1 teaspoon sesame oil
- 7 ounces Korean glass noodles (sweet potato noodles)
- 1 red bell pepper, sliced
- 10 medium shiitake mushrooms, sliced
- 1 medium yellow onion, sliced
- 1 cup matchstick carrots
Sauce
- 3 tablespoons Korean sweet soy sauce
- 2 teaspoons soy sauce
- 2 teaspoons mirin
- 1 teaspoon sesame oil
Instructions
- Bring a pot of water to a boil. Add the noodles, stir frequently, and cook according to package directions. Drain and rinse under cool water to stop cooking; set aside.
- While the water heats, prepare the vegetables and mix the sauce in a small bowl; set the sauce aside.
- Heat 1 tablespoon avocado oil and ½ teaspoon sesame oil in a large wok or non-stick skillet over high heat.
- Stir-fry the bell pepper, mushrooms, onions, and carrots until they are tender but still slightly crisp.
- Add the drained noodles to the pan along with the remaining avocado oil and sesame oil. Stir-fry 1–2 minutes until hot, then pour in the sauce. Continue stirring until the sauce is absorbed and the noodles are glossy and evenly coated. Adjust seasoning with additional soy or a touch of sugar if desired.
Notes
You can easily add protein: shrimp, thinly sliced chicken, steak, or pork tenderloin all pair well. For vegetarian protein, add tofu or tempeh. If you prefer a nuttier finish, garnish with toasted sesame seeds and sliced green onion.
When reheating, add a teaspoon of oil or water to restore moisture. Japchae can also be served at room temperature, making it excellent for meal prep or gatherings.
Nutrition Information
Yield: 4 • Serving Size: 1
Amount per serving: Calories: 248 • Total Fat: 10g • Saturated Fat: 1g • Unsaturated Fat: 8g • Sodium: 669mg • Carbohydrates: 35g • Fiber: 4g • Sugar: 14g • Protein: 6g