Japchae (Korean Glass Noodle Stir Fry) is a delightful dish that combines the chewy texture of sweet potato noodles with vibrant vegetables and savory flavors. This versatile recipe is perfect for various occasions, whether you’re hosting a festive gathering or looking for a comforting weeknight meal. The unique combination of ingredients makes Japchae not only delicious but also visually appealing, ensuring it stands out on any table.

Jump to:
- Why You’ll Love This Recipe
- Tools and Preparation
- Essential Tools and Equipment
- Importance of Each Tool
- Ingredients
- For the Noodles
- For the Protein
- For the Eggs
- For the Vegetables
- For Cooking
- For the Sauce
- How to Make Japchae (Korean Glass Noodle Stir Fry)
- Step 1: Make the Japchae Sauce
- Step 2: Cook the Japchae Noodles
- Step 3: Drain and Rinse Noodles
- Step 4: Make the Egg Crepe
- Step 5: Cook the Beef
- Step 6: Sauté Vegetables
- Step 7: Assemble Japchae
- Step 8: Combine Ingredients
- Step 9: Serve
- How to Serve Japchae (Korean Glass Noodle Stir Fry)
- As a Main Dish
- As a Side Dish
- In a Wrap
- Garnished with Fresh Herbs
- How to Perfect Japchae (Korean Glass Noodle Stir Fry)
- Best Side Dishes for Japchae (Korean Glass Noodle Stir Fry)
- Common Mistakes to Avoid
- Storage & Reheating Instructions
- Refrigerator Storage
- Freezing Japchae (Korean Glass Noodle Stir Fry)
- Reheating Japchae (Korean Glass Noodle Stir Fry)
- Frequently Asked Questions
- What is Japchae (Korean Glass Noodle Stir Fry)?
- Can I make Japchae vegetarian?
- How do I customize my Japchae?
- Can I use other types of noodles?
- Is Japchae good for meal prep?
- Final Thoughts
- 📖 Recipe Card
Why You’ll Love This Recipe
- Easy to Prepare: Japchae comes together quickly, making it ideal for both beginners and seasoned cooks.
- Nutritious and Colorful: Packed with fresh vegetables, this dish is as healthy as it is tasty.
- Versatile Serving Options: Enjoy it hot, warm, or even cold as a refreshing salad.
- Customizable Ingredients: You can easily swap in your favorite proteins or vegetables based on what’s available.
- Perfect for Meal Prep: Make a big batch ahead of time and enjoy leftovers throughout the week.
Tools and Preparation
Having the right tools can make cooking Japchae easier and more enjoyable. Here are some key equipment pieces you’ll need to prepare this dish effectively.
Essential Tools and Equipment
- Large pot
- Nonstick frying pan
- Kitchen shears (optional)
- Mixing bowl
- Spatula
Importance of Each Tool
- Large pot: Essential for boiling the sweet potato glass noodles evenly without sticking.
- Nonstick frying pan: Helps prevent sticking when cooking the egg crepe and other ingredients, ensuring they cook perfectly.
- Kitchen shears: Useful for cutting noodles into shorter pieces if desired, making eating easier.

Ingredients
For the Noodles
- 12 ounces sweet potato glass noodles
For the Protein
- 16 ounces beef (cut into strips; flank, skirt, or ribeye are great options)
For the Eggs
- 2 large eggs (beaten)
For the Vegetables
- 1 large carrot (peeled and julienned)
- 1 medium yellow onion (thinly sliced)
- 3 mushrooms (thinly sliced; any variety you prefer)
- 2 cups baby spinach (packed)
- 2 stalks green onion (cut into 1-inch pieces)
For Cooking
- Oil (for cooking)
- Salt and black pepper (as needed)
For the Sauce
- 7 tablespoons soy sauce (light sodium)
- 3 tablespoons honey (or more brown sugar if preferred)
- 2 tablespoons brown sugar (light or dark)
- 2 tablespoons toasted sesame oil
How to Make Japchae (Korean Glass Noodle Stir Fry)
Step 1: Make the Japchae Sauce
Mix together all the ingredients for the sauce in a small bowl and set aside.
Step 2: Cook the Japchae Noodles
In a large pot of boiling water, add the sweet potato glass noodles. Boil until cooked through, about 10–15 minutes depending on brand. Stir occasionally to prevent sticking.
Step 3: Drain and Rinse Noodles
Once cooked, drain immediately and rinse thoroughly under cold water until cooled. Drain well again and set aside. Optionally, use kitchen shears to cut noodles into shorter lengths for easier eating.
Step 4: Make the Egg Crepe
In a nonstick frying pan over medium heat, add a small amount of oil. When hot, pour in beaten eggs. Tilt to spread into a thin layer and cook until set on bottom. Flip briefly to cook other side before removing from pan. Let cool before cutting into thin strips.
Step 5: Cook the Beef
In the same pan over medium-high heat, add some oil. Once hot, add beef strips seasoned lightly with salt and pepper. Sear until golden brown and cooked through, about 4–5 minutes. Remove from pan and set aside.
Step 6: Sauté Vegetables
In the same pan over medium heat, add more oil if needed. Sauté vegetables according to their cooking times—start with carrots, followed by onions and green onion bottoms, then mushrooms, spinach last. Season lightly with salt and pepper during cooking until tender; remove from heat.
Step 7: Assemble Japchae
In the same large pan or stir-fry pan over medium heat, add prepared japchae sauce. Stir occasionally until sugar dissolves and bubbles form; reduce heat to low.
Step 8: Combine Ingredients
Add cooked japchae noodles to sauce mixing well until coated evenly. Then incorporate beef strips, sautéed vegetables, and egg strips tossing everything together before removing from heat.
Step 9: Serve
Portion japchae onto plates or serve family-style topped with sesame seeds if desired. Enjoy warm or at room temperature!
How to Serve Japchae (Korean Glass Noodle Stir Fry)
Japchae is a versatile dish that can be enjoyed in various ways. Whether you want to serve it as a main course or a delightful side, there are plenty of options to enhance your meal.
As a Main Dish
- Serve warm or at room temperature for a comforting meal.
- Pair with grilled chicken or beef for added protein and flavor.
As a Side Dish
- Offer alongside Korean BBQ for a colorful and tasty accompaniment.
- Serve with pickled vegetables to add a tangy contrast.
In a Wrap
- Use lettuce leaves to create fresh wraps with japchae and additional toppings.
- Add slices of avocado for creaminess and richness.
Garnished with Fresh Herbs
- Sprinkle fresh cilantro or sesame seeds on top for an aromatic touch.
- Use sliced green onions for an extra crunch and flavor boost.
How to Perfect Japchae (Korean Glass Noodle Stir Fry)
Perfecting japchae involves attention to detail in both texture and flavor. Follow these tips for the best results.
- Use high-quality noodles: Select sweet potato glass noodles that are bouncy and have great texture when cooked.
- Prep ingredients wisely: Cut vegetables uniformly so they cook evenly and maintain their crispness.
- Control the heat: Sauté ingredients over medium-high heat to ensure everything cooks quickly without losing moisture.
- Mix sauce thoroughly: Ensure the sauce is well combined before adding it to the noodles, which helps distribute flavors evenly.
- Don’t overcook vegetables: Cook them just until tender but still vibrant in color for the best taste and texture.
- Adjust seasoning to taste: Taste as you go, adjusting salt, pepper, or sweetness according to your preference.
Best Side Dishes for Japchae (Korean Glass Noodle Stir Fry)
Pairing side dishes with your japchae can elevate your dining experience. Here are some great options:
- Kimchi: A staple in Korean cuisine, this fermented vegetable dish adds spice and tanginess.
- Korean Potato Salad: Creamy and slightly sweet, it contrasts beautifully with the savory flavors of japchae.
- Grilled Vegetables: Seasonal veggies like zucchini and bell peppers bring freshness and color to your plate.
- Spicy Cucumber Salad: Crisp cucumbers tossed in vinegar and chili flakes offer a refreshing crunch.
- Seaweed Salad: Light and nutritious, this dish complements the heartiness of japchae perfectly.
- Steamed Rice: A simple serving of rice balances out the flavors while providing a hearty base.
Common Mistakes to Avoid
Making Japchae can be a delightful experience, but there are common pitfalls that could affect the final dish.
- Using the wrong noodles: Ensure you are using sweet potato glass noodles, as they provide the right texture and flavor. Other noodles might not give you the authentic experience.
- Overcooking the vegetables: Vegetables should be tender yet crisp. Cook them just until they soften to maintain their color and nutrients.
- Skipping the sauce preparation: The sauce ties all the flavors together. Make sure to mix it well before adding it to the noodles and other ingredients.
- Not rinsing the noodles: After cooking, rinse the glass noodles with cold water to stop the cooking process. This helps in achieving a perfect chewy texture.
- Neglecting to season properly: Be sure to taste and adjust seasoning (salt, pepper) at each stage of cooking. This ensures balanced flavors throughout.

Storage & Reheating Instructions
Refrigerator Storage
- Store leftover japchae in an airtight container.
- It will remain fresh for up to 3 days in the refrigerator.
Freezing Japchae (Korean Glass Noodle Stir Fry)
- Freeze japchae in a freezer-safe container or bag.
- It is best used within 1 month for optimal flavor and texture.
Reheating Japchae (Korean Glass Noodle Stir Fry)
- Oven: Preheat oven to 350°F (175°C). Place japchae in an oven-safe dish and cover with foil. Heat for about 15-20 minutes.
- Microwave: Place portions in a microwave-safe bowl. Cover loosely and heat for about 1-2 minutes, stirring halfway through.
- Stovetop: Heat a nonstick pan over medium heat. Add a splash of water if needed, then stir-fry until heated through, about 5 minutes.
Frequently Asked Questions
Here are some common questions about preparing Japchae.
What is Japchae (Korean Glass Noodle Stir Fry)?
Japchae is a traditional Korean dish made from sweet potato glass noodles stir-fried with vegetables, meat, and seasoned with soy sauce.
Can I make Japchae vegetarian?
Yes! You can skip the meat or replace it with tofu or additional vegetables for a delicious vegetarian version.
How do I customize my Japchae?
Feel free to add your favorite vegetables like bell peppers or zucchini. You can also adjust the sweetness by adding more or less honey or sugar.
Can I use other types of noodles?
While sweet potato glass noodles are traditional, you can experiment with other noodle types, but they may alter the dish’s authentic taste.
Is Japchae good for meal prep?
Absolutely! Japchae stores well and can be enjoyed hot or cold, making it perfect for meal prep options throughout the week.
Final Thoughts
Japchae is a versatile dish that combines delightful textures and flavors. It’s perfect for any occasion—whether served as a main course or a side dish. Feel free to customize it with your favorite veggies or proteins to suit your taste preferences!
Did You Enjoy Making This Recipe? Please rate this recipe with ⭐⭐⭐⭐⭐ or leave a comment.
📖 Recipe Card
Print
Japchae (Korean Glass Noodle Stir Fry)
- Total Time: 45 minutes
- Yield: 4 servings 1x
Description
Japchae, a traditional Korean glass noodle stir fry, is a delightful fusion of chewy sweet potato noodles, vibrant vegetables, and savory flavors. This dish is not only visually appealing but also incredibly versatile, making it an ideal choice for any occasion—from festive gatherings to comforting weeknight dinners. Its quick preparation time ensures that both novice cooks and seasoned chefs can whip up this delicious meal with ease. Enjoy it hot, warm, or even cold as a refreshing salad. With customizable ingredients, you can tailor the recipe to include your favorite proteins and vegetables.
Ingredients
- 12 ounces sweet potato glass noodles
- 16 ounces beef (cut into strips)
- 2 large eggs (beaten)
- 1 large carrot (julienned)
- 1 medium yellow onion (sliced)
- 3 mushrooms (sliced)
- 2 cups baby spinach
- 2 stalks green onion (cut into pieces)
- 7 tablespoons soy sauce (light sodium)
- 3 tablespoons honey (or more brown sugar if preferred)
- 2 tablespoons brown sugar (light or dark)
- 2 tablespoons toasted sesame oil
- Oil (for cooking)
- Salt and black pepper (as needed)
Instructions
- Mix soy sauce, honey, brown sugar, and sesame oil in a bowl to create the sauce. Set aside.
- Boil the sweet potato glass noodles in a large pot for about 10–15 minutes until cooked through. Drain and rinse under cold water; set aside.
- In a nonstick frying pan, heat oil over medium heat and cook beaten eggs to form an egg crepe. Remove and slice into thin strips.
- Add more oil to the pan and sauté beef strips until browned; set aside.
- Sauté carrots first; add onions next followed by mushrooms; finish with spinach until tender.
- Combine cooked noodles and sautéed ingredients in the pan with the sauce over low heat.
- Toss everything together until well-coated and serve warm or at room temperature.
- Prep Time: 20 minutes
- Cook Time: 25 minutes
- Category: Main
- Method: Stir-frying
- Cuisine: Korean
Nutrition
- Serving Size: 1 cup (200g)
- Calories: 320
- Sugar: 8g
- Sodium: 600mg
- Fat: 10g
- Saturated Fat: 2g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrates: 45g
- Fiber: 4g
- Protein: 18g
- Cholesterol: 100mg





