Japchae: Sweet Potato Noodles Stir-Fried With Veget

Name: Japchae: Sweet Potato Noodles Stir-Fried With Vegetables
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: For the noodles; 12 ounces Korean vermicelli (sweet potato starch noodles), or dangmyen*: Place noodles in a large bowl. Pour boiling water to immerse and soak noodles until pliable, about 20 minutes. Drain and rin…; For the beef and vegetables; 1/2 pound lean sirloin, sliced into 2-inch strips; 1/4 cup rehydrated dried shitake mushrooms (about 4 large or 8 small), stems removed, and sliced into thin strips; 1/2 cup fresh oyster mushrooms, blanch in boiling, salted water for 30 seconds, shock in cold water, lightly squeeze out excess water and slice thin; 1 cup onion, julienned lengthwise; 2 cups English hothouse cucumber skins, cut into 5-inch julienne; spread on a large plate, sprinkle with 1 teaspoon salt and let rest 25 minutes. Then, roll in a dry cloth or paper towel and gently…; 1 cup carrots, cut into 5-inch julienne; 3 cups red bell pepper, trimmed and de-seeded, cut into 2-inch strips: blanch in boiling, salted water for 45 to 60 seconds, plunge into cold water, drain, julienne and place in colander to drain e…; Optional: 1/2 Asian pear, julienned; For the yangnyumjang sauce; 3 tablespoons soy sauce; 2 tablespoons sugar; 1 tablespoon honey; 1 tablespoon rice wine; 1 tablespoon sesame oil; 1 tablespoon sesame salt*; 1/2 teaspoon black pepper; 2 tablespoons chopped green onion; 1 teaspoon finely minced ginger; 1 teaspoon chopped garlic

Try this homemade Japchae: Sweet Potato Noodles Stir-Fried With Vegetables recipe the whole family will love. Made with noodles, vermicelli, beef and le…

This Japchae: Sweet Potato Noodles Stir-Fried With Vegetables relies on simple, everyday ingredients such as for the noodles, for the beef and vegetables, onion, julienned lengthwise and for the yangnyumjang sauce. It comes together quickly and makes 4 servings, at about 570 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 Pasta & Noodles

Servings: persons

For the noodles
12 ounces Korean vermicelli (sweet potato starch noodles), or dangmyen*: Place noodles in a large bowl. Pour boiling water to immerse and soak noodles until pliable, about 20 minutes. Drain and rinse under cool water. While noodles are soaking prepare beef and vegetables.
For the beef and vegetables
1/2 pound lean sirloin, sliced into 2-inch strips
1/4 cup rehydrated dried shitake mushrooms (about 4 large or 8 small), stems removed, and sliced into thin strips
1/2 cup fresh oyster mushrooms, blanch in boiling, salted water for 30 seconds, shock in cold water, lightly squeeze out excess water and slice thin
1 cup onion, julienned lengthwise
2 cups English hothouse cucumber skins, cut into 5-inch julienne; spread on a large plate, sprinkle with 1 teaspoon salt and let rest 25 minutes. Then, roll in a dry cloth or paper towel and gently squeeze out excess liquid
1 cup carrots, cut into 5-inch julienne
3 cups red bell pepper, trimmed and de-seeded, cut into 2-inch strips: blanch in boiling, salted water for 45 to 60 seconds, plunge into cold water, drain, julienne and place in colander to drain excess liquid
Optional: 1/2 Asian pear, julienned
For the yangnyumjang sauce
3 tablespoons soy sauce
2 tablespoons sugar
1 tablespoon honey
1 tablespoon rice wine
1 tablespoon sesame oil
1 tablespoon sesame salt*
1/2 teaspoon black pepper
2 tablespoons chopped green onion
1 teaspoon finely minced ginger
1 teaspoon chopped garlic

1
In a medium bowl, mix yangnyumjang sauce ingredients, whisking well. Set aside.
2
Add 4 tablespoons of the yangnyumjang sauce to the sliced beef and combine well. Heat 2 tablespoons of oil in a wok over medium-high heat. Add beef, stir-frying until it is no longer red. Remove from the wok. Set aside.
3
Heat 1 tablespoon of canola oil in a wok over medium-high flame. When it begins to sizzle, add 5 tablespoons yangnyumjang sauce and 1/4 cup water. Add noodles, stir-frying 3-4 minutes. Transfer to a large bowl and set aside.
4
Mix shitake with 1 teaspoon each of: soy sauce, sugar and sesame oil, plus dash of pepper. Heat 1 teaspoon of oil in wok over medium heat. Add shitakes, stir-frying about 3 minutes. Set aside.
5
Season oyster mushrooms with 1/4 teaspoon salt, 1 teaspoon sesame oil and a dash of pepper. Heat 1 teaspoon oil in wok over medium heat. Add mushrooms, stir-frying 1-2 minutes. Transfer to bowl with shitakes.
6
Add 1 teaspoon of oil to wok over medium heat. When hot, add onion, stirring frequently. Sprinkle 1/2 teaspoon of salt. Saute about 3 minutes, adding a little water if onions stick. Remove from heat and transfer to bowl with mushrooms.
7
Heat 1 teaspoon of oil in wok over medium-high heat. Stir-fry cucumber skins, 1-2 minutes. Remove from heat and spread on a plate to cool.
8
Heat 1 teaspoon of oil in a pan over medium heat. Add carrots and cook 2-3 minutes. Season with 1/2 teaspoon salt. Remove from heat. Spread on plate to cool.
9
Heat 1 teaspoon of oil in wok over medium-high heat. Add red bell pepper with 1-1/2 teaspoon chopped garlic and 1 teaspoon salt. Stir-fry 2-3 minutes. Remove from heat. Stir in 2 tablespoons chopped green onion, 1 teaspoon sesame salt * and a dash of pepper, combining well.
10
When all ingredients are cool, toss beef, vegetables and 2 tablespoons of yangnyumjang sauce with the noodles. Serve at room temperature or chilled.
11
*Available from Korean grocers or Asian markets

570

kcal

Calories

Fat

108

Carbs

Protein

Fat Carbs Protein

* Per serving · 4 servings · Values may vary.

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Swap the honey for maple syrup or agave for a slightly different but equally rich sweetness.
Brown sugar instead of white sugar adds a deeper, more caramel-like flavor.

No specific allergen information. Please check the ingredient list for possible allergens.

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Frequently Asked Questions

This recipe makes 4 servings. You can adjust the portion size directly on this page.

You need 22 ingredients. The key ingredients include: For the noodles, 12 ounces Korean vermicelli (sweet potato starch noodles), or dangmyen*: Place noodles in a large bowl. Pour boiling water to immerse and soak noodles until pliable, about 20 minutes. Drain and rinse under cool water. While noodles are soaking prepare beef and vegetables., For the beef and vegetables, 1/2 pound lean sirloin, sliced into 2-inch strips, and more.

Yes, Japchae: Sweet Potato Noodles Stir-Fried With Vegetables falls under the Pasta & Noodles category and is a great choice for this type of meal.

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Quick Info

Servings
4 servings
Calories
570 kcal
Category
Pasta & Noodles

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