Tasty Korean Japchae Noodles

Featured in Explore Global Flavors and Dishes.

Japchae is a classic Korean stir-fry featuring sweet potato noodles combined with juicy beef, crisp veggies, and a sesame-soy glazed flavor. It’s colorful, chewy, and easily customizable—swap in tofu, chicken, or shrimp. Perfect for any crowd or a simple dinner, feel free to crank up the heat or serve it mild. Delicious, filling, and packed with balanced flavors, Japchae’s a dish to savor in every bite.

Haya
Updated on Mon, 12 May 2025 21:19:11 GMT
A bowl with beef, veggies, and noodles. Pin it
A bowl with beef, veggies, and noodles. | recipeown.com

These bouncy Korean glass noodles come alive in a quick stir-fry with juicy beef, fresh veggies, and a mouthwatering sauce that'll have you craving more. The mix of soft noodles, meat and crunchy vegetables creates a meal that's both cozy and fancy enough to wow dinner guests.

I whipped up Japchae for the first time when friends came over who'd never tried Korean food, and now they won't let me cook anything else. The rainbow of colors and amazing texture combo makes everyone grab another helping.

Ingredients

  • Sweet potato glass noodles: they're the star of the show with that springy bite that soaks up all the tasty sauce
  • Thin sliced beef: brings hearty flavor and works magic with the sweet-savory sauce blend
  • Carrots and onions: add a touch of sweetness and necessary snap to each bite
  • Fresh spinach: throws in nice green balance and packs a nutritional punch
  • Sesame oil: gives that unmistakable Korean taste you just can't fake
  • Soy sauce: brings the savory depth that pulls everything into harmony
  • Brown sugar: cuts through the saltiness with just enough sweetness
  • Green onions: bring brightness and color as both cooking ingredient and finishing touch

Step-by-Step Instructions

Prepare the Noodles:
Get a big pot of water bubbling hot and add a splash of olive oil so nothing sticks together. Toss in your sweet potato noodles and let them cook for about 5-6 minutes until they turn see-through and chewy but still have some bounce. Dump them into a colander right away and run cold water over them to stop them cooking and keep them from getting mushy.
Cook the Protein:
Get your skillet super hot. Throw in those thin beef slices and keep them moving as they cook until you see the color change and edges start browning. While they're cooking, pour in half of your soy sauce, sesame oil and brown sugar mix. This will give the meat amazing flavor as it slightly caramelizes. Take it off the heat once it's done but still juicy, usually 3-4 minutes tops.
Sauté the Vegetables:
Grab another big skillet and warm up some olive oil over medium-high heat. Throw in your carrot strips and let them cook about 2 minutes before adding the sliced onions. Keep cooking until everything starts getting soft but still has some snap to it. Pour in the rest of your soy sauce, sesame oil and sugar mix. Add your crushed garlic and half the green onions, and keep stirring for another minute so everything gets fragrant without burning.
Combine Everything:
Toss the fresh spinach into your veggie mix and stir just enough to make the leaves start wilting. Grab a big mixing bowl and dump in your cooked noodles, seasoned beef, and all those veggies. Use tongs or chopsticks to lift and mix everything really well so the sauce coats everything evenly. The leftover heat will finish cooking it all perfectly.
A bowl of beef noodle soup with chopsticks. Pin it
A bowl of beef noodle soup with chopsticks. | recipeown.com

I love watching those hard white noodles change into shiny, clear strands that soak up all the amazing flavors. My Korean buddy taught me that good Japchae needs that perfect sweet-savory balance where you can't tell which one's stronger.

True Korean Cooking Secrets

The old-school Korean way of making Japchae means cooking everything on its own to keep all the textures and flavors standing out. This recipe cuts some corners, but you can go full traditional by cooking each veggie separately, adding a touch of soy sauce and sesame oil to each, then mixing it all at the end.

Storage and Reheating

Japchae keeps really well in the fridge for up to 4 days if you put it in a sealed container. It actually tastes better the next day as the flavors mingle overnight. When you want to eat leftovers, just warm it up quickly in the microwave or toss it in a hot pan with a tiny bit of sesame oil to wake up all those flavors and textures.

Tasty Companions

This flexible dish works as your main meal but also fits in perfectly alongside Korean BBQ or as part of a bigger Asian food spread. For a complete Korean dinner, serve it with some kimchi, a basic soup, and a side of rice. Japchae's sweet-savory combo also goes down great with a cold beer or some traditional Korean rice wine.

A bowl of noodles with meat and vegetables. Pin it
A bowl of noodles with meat and vegetables. | recipeown.com

Frequently Asked Questions

→ What are glass noodles made of?

These chewy noodles are crafted from sweet potato starch, popular in Korean dishes for their translucent look and texture.

→ Can I use something else instead of beef?

Sure, swap the beef for shrimp, tofu, chicken, or keep it vegetarian by leaving it out entirely.

→ How can I stop noodles sticking together?

Rinse noodles with cold water after cooking, then toss them with a dab of sesame oil to keep them separate.

→ Is Japchae gluten-free?

Simply use tamari instead of regular soy sauce to make this dish gluten-free.

→ Which veggies taste best in Japchae?

Carrots, onions, spinach, and green onions are classics, but mushrooms or bell peppers work just as well.

Korean Japchae Noodles

Korean-style glass noodles with beef, veggies, and a sesame-soy dressing, stir-fried till perfect.

Prep Time
20 Minutes
Cook Time
40 Minutes
Total Time
60 Minutes
By: Haya

Category: World Cuisine

Difficulty: Intermediate

Cuisine: Korean

Yield: 10 Servings

Dietary: Dairy-Free

Ingredients

→ Main Ingredients

01 1/2 lb fresh spinach
02 3 medium carrots, cut into thin strips
03 1 lb glass noodles made from sweet potatoes
04 2 lb thinly sliced beef (swap with tofu, chicken, or shrimp if you like)
05 1 large onion, sliced thinly
06 6 cloves of garlic, finely chopped
07 1/2 bunch of green onions, roughly chopped

→ Seasoning and Oils

08 3 tbsp brown sugar
09 1 tbsp olive oil
10 6 tbsp soy sauce (use tamari for no gluten)
11 4 tbsp sesame oil, divided

Instructions

Step 01

Fill a big pot with water, add a splash of olive oil, and let it boil. Cook the noodles for about 5-6 minutes, drain them well, and leave them aside.

Step 02

Heat a skillet on high. Cook the beef until browned, mixing in half the sesame oil, sugar, and soy sauce during the process, then remove it from the pan and set it aside.

Step 03

Warm up olive oil in a clean pan, toss in sliced onions and carrot strips, and sauté until soft. Stir in the rest of the soy sauce, sesame oil, and sugar. Add minced garlic and green onions, cooking for another minute.

Step 04

Throw in the spinach and stir it around until it wilts. Mix all your cooked veggies, beef, and noodles in a giant bowl.

Step 05

Give everything a good mix in the bowl. Serve warm and sprinkle with green onions on top, if you'd like.

Notes

  1. You can make Japchae your own by adding shrimp, chicken, tofu, or spicing it up with some gochujang.
  2. Putting olive oil in the boiling water keeps the noodles from clumping up.

Tools You'll Need

  • Big pot
  • Frying pan
  • Large bowl for mixing

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Soy (from tamari or soy sauce)
  • Sesame (from sesame oil)

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 489
  • Total Fat: ~
  • Total Carbohydrate: ~
  • Protein: ~