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How to Make Japchae – Authentic Japchae (Recipe Guide)

How to Make Japchae – Authentic Japchae (Recipe Guide)

Our full recipe guide on how to make Japchae is one of the most popular recipes in South Korea.

Japchae is a popular Korean stir-fried noodle dish made with glass noodles, vegetables, and often some type of protein.

The noodles, called dangmyeon, are made from sweet potato starch. Here’s a guide to make authentic Japchae.


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How to Make Japchae

Japchae Recipe Ingredients

How to Make Japchae – Authentic Japchae (Recipe Guide)

Noodles and Protein:
12 oz sweet potato noodles (dangmyeon)
8 oz beef or chicken (thinly sliced into strips)
2 tbsp soy sauce (for marinating the meat)
1 tbsp sugar
1 tbsp sesame oil
1 carrot, julienned
1 bell pepper, thinly sliced
1 large onion, thinly sliced
1 zucchini, julienned
4-5 dried shiitake mushrooms (rehydrated and thinly sliced)
2 cups spinach
2-3 garlic cloves, minced
4 tbsp soy sauce
2 tbsp sugar
2 tbsp sesame oil
1 tbsp sesame seeds
Ground black pepper

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Step By Step How to Make Japchae

Prepare the Noodles

Cook the sweet potato noodles according to the package instructions. Drain and rinse under cold water to stop the cooking. Toss with a bit of sesame oil to prevent sticking and set aside.

Prepare the Protein

Marinate the beef or chicken with 2 tbsp soy sauce, 1 tbsp sugar, and 1 tbsp sesame oil for at least 10-15 minutes.

Prepare the Vegetables

Blanch the spinach in boiling water briefly, then drain and rinse under cold water. Squeeze out excess water, chop roughly, and set aside. Stir-fry each vegetable (carrots, bell pepper, onion, zucchini, and mushrooms) separately in a hot pan with a bit of oil. Cook until just softened and then remove from the pan.

Cook the Protein

In the same pan, stir-fry the marinated beef or chicken until fully cooked.

Make the Sauce

Mix soy sauce, sugar, sesame oil, sesame seeds, and black pepper in a small bowl.

How to Make Japchae – Authentic Japchae (Recipe Guide)

Combine Everything

In a large mixing bowl, combine the cooked noodles, stir-fried vegetables, cooked meat, spinach, and minced garlic. Pour the sauce over the mixture and toss everything together until evenly coated.


Garnish with extra sesame seeds or green onions. Serve warm or at room temperature.

How to Make Japchae – Authentic Japchae (Recipe Guide)

Tips To Make Japchae

Prepare Ingredients Separately

Cook each type of vegetable and protein separately to maintain their textures and flavors. Stir-fry lightly and set them aside before combining with the noodles.

Blanch Spinach Properly

Blanch spinach briefly in boiling water, then immediately cool it in ice water to keep its color and nutrients intact. Squeeze out excess moisture.

Cook Noodles Al Dente

Boil the glass noodles (dangmyeon) until just tender. Rinse under cold water and toss with sesame oil to prevent sticking.

Marinate the Protein

Marinate beef, chicken, or other protein for extra flavor. Soy sauce, sugar, and sesame oil work well as a simple marinade.

How to Make Japchae – Authentic Japchae (Recipe Guide)

Mix Sauce Separately

Combine soy sauce, sugar, sesame oil, and ground black pepper in a bowl before cooking, ensuring that the seasoning is consistent and well-mixed.

Use Sesame Oil

Sesame oil adds a signature flavor to Japchae, so incorporate it generously but not overpoweringly.

Balance Ingredients

Ensure that there’s an even mix of noodles, vegetables, and proteins. The combination should be visually appealing and well-balanced in flavor.

Season to Taste

After combining noodles, sauce, and other ingredients, taste and adjust the seasoning if needed. You can add extra soy sauce or sugar as per your preference.

Garnish Well

Top with toasted sesame seeds and sliced green onions for an extra layer of flavor.

Serve Fresh

Japchae tastes best when freshly made, but it can also be served at room temperature or reheated.

How Many Calories Have Japchae

Sweet Potato Noodles: Roughly 180-250 calories per serving (about 100 grams).
Vegetables: Approximately 30-50 calories, depending on the types and amounts used.
Protein (Beef or Chicken): Roughly 100-150 calories for a typical portion (2-3 ounces).
Sauce and Oil: Around 50-100 calories for the sauce (soy sauce, sugar, sesame oil).

A serving of Japchae typically contains around 350-550 calories.

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