Authentic Korean Japchae Noodles
Japchae (잡채) is one of Korea’s most loved dishes – a vibrant mix of sweet potato noodles, crisp vegetables, and a rich, savory-sweet sauce. Whether served hot or cold, with or without meat, Japchae brings a perfect balance of taste and texture that’s as comforting as it is festive. In this post, we’ll walk you through the authentic way to make Japchae at home – step by step, easy, and absolutely delicious!
At the core of this dish are the unique glass noodles made from sweet potato starch. These noodles are naturally gluten-free, slightly chewy, and perfect for soaking up the savory-sweet sauce made from soy sauce, sesame oil, garlic, and a hint of sugar.

Ingredients (for 2–3 servings)
For the noodles:
- 150g Korean sweet potato noodles (dangmyeon)
For the sauce:
- 3 tbsp soy sauce
- 1.5 tbsp sugar
- 1 tbsp sesame oil
- 1 tsp sesame seeds
- 1 garlic clove, minced
For the stir-fry:
- 100g beef (ribeye or sirloin), thinly sliced (optional)
- ½ carrot, julienned
- ½ onion, sliced
- ½ red bell pepper, sliced
- ½ yellow bell pepper, sliced
- A handful of spinach
- 3–4 shiitake mushrooms or any mushrooms, sliced
- 1 egg (optional, for garnish)
- Salt and pepper to taste
- Oil for cooking
Step-by-Step Instructions
Step 1: Prepare the sauce
In a small bowl, mix together:
- 3 tbsp soy sauce
- 1.5 tbsp sugar
- 1 tbsp sesame oil
- 1 tsp sesame seeds
- 1 minced garlic clove

Set aside. This will be your flavor base.
Step 2: Cook the noodles
- Bring a pot of water to boil.
- Add the sweet potato noodles and cook for 6–7 minutes or until soft and chewy.
- Drain, rinse under cold water, and cut them in half with scissors for easier eating.
- Toss with 1 tsp sesame oil to keep them from sticking.

Step 3: Blanch the spinach
- In boiling water, blanch spinach for 30 seconds.
- Drain, rinse in cold water, squeeze gently to remove excess water.
- Season with a pinch of salt and ½ tsp sesame oil. Set aside.

Step 4: Cook the beef (if using)
- Heat 1 tsp oil in a pan.
- Stir-fry beef until cooked through.
- Season lightly with a spoon of the sauce.
- Set aside.

See also: Cat Cora’s Halibut Recipe – A Simple & Delicious Seafood Delight
Step 5: Stir-fry vegetables
- In the same pan, add a little more oil.
- Stir-fry onions for 1–2 minutes.
- Add carrots, bell peppers, and mushrooms one by one, cooking each until just tender.
- Lightly salt and pepper as needed.

See also: Chicken Crescent Roll Casserole Recipe – Easy, Cheesy & Comforting!
Step 6: (Optional) Egg garnish
- Beat one egg, cook into a thin omelet.
- Slice into thin strips for garnish.
Step 7: Combine everything
- In a large mixing bowl or wok, add:
- Cooked noodles
- All stir-fried vegetables
- Spinach
- Beef
- Pour the sauce over and toss everything gently with tongs or hands (wear gloves if hot).
- Stir-fry the combined mixture for 2–3 minutes over medium heat to absorb flavor.

See also: Crack Chicken Tenders Recipe
Ingredient | Approximate Calories (per serving) | Notes |
Sweet potato noodles | 270–300 kcal | Main carb, chewy texture |
Beef (if added) | 250–280 kcal | Protein and fat source |
Sesame oil | 120 kcal | Adds rich, nutty flavor |
Sugar | 70–80 kcal | Sweetens the sauce |
Summary
The Apple Cinnamon Swirl Loaf is a soft, moist, and flavorful bread made with chopped apples and a sweet cinnamon-sugar swirl. It’s beginner-friendly, uses simple ingredients, and is perfect for breakfast, snacks, or dessert. The recipe involves making a buttery apple batter, layering it with cinnamon sugar, swirling for a beautiful pattern, and baking until golden. It can be enjoyed warm with butter, paired with tea or coffee, or stored for later.
FAQs about Authentic Korean Japchae Noodles
Can I use regular noodles instead of sweet potato noodles?
Japchae’s unique chewy texture comes from sweet potato noodles. You can substitute with other noodles, but it won’t be authentic.
How long can I store Japchae?
Store in the fridge for 2–3 days. Reheat on a pan with a bit of water or sesame oil.
Is Japchae gluten-free?
Sweet potato noodles are gluten-free, but make sure your soy sauce is also gluten-free (e.g., Tamari).
Can I skip the beef?
Absolutely! Japchae is just as delicious without meat. Add tofu or extra mushrooms for protein.