Dive into the vibrant flavors of Korea with this vegan Japchae recipe. This dish features sweet potato noodles tossed with a colorful array of vegetables and seasoned to perfection with soy sauce and sesame oil. It's a delightful, healthy meal that's both satisfying and easy to prepare.
One ingredient you might not have on hand is sweet potato noodles, also known as glass noodles or dangmyeon. These translucent noodles are made from sweet potato starch and can be found in the Asian section of most supermarkets or specialty Asian grocery stores. Another ingredient to note is sesame oil, which adds a distinct nutty flavor to the dish. Make sure to pick up these items if you don't already have them in your pantry.

Ingredients for Vegan Japchae Korean Noodles Recipe
Sweet potato noodles: These are translucent noodles made from sweet potato starch, providing a chewy texture and absorbing flavors well.
Spinach: Blanched to retain its vibrant color and nutrients, adding a fresh, leafy element to the dish.
Carrot: Julienned for a crunchy texture and a touch of sweetness.
Red bell pepper: Julienned to add a pop of color and a mild, sweet flavor.
Onion: Sliced to provide a savory base and a bit of crunch.
Garlic: Minced to infuse the dish with a robust, aromatic flavor.
Soy sauce: Adds a salty, umami depth to the noodles and vegetables.
Sesame oil: Provides a rich, nutty flavor that complements the other ingredients.
Sugar: Balances the savory elements with a hint of sweetness.
Toasted sesame seeds: Sprinkled on top for a crunchy texture and a nutty finish.
Technique Tip for This Recipe
When preparing sweet potato noodles, ensure you do not overcook them. They should be slightly chewy to maintain the authentic texture of japchae. After cooking, rinse the noodles under cold water to stop the cooking process and prevent them from sticking together. This will also help them better absorb the flavors of the soy sauce and sesame oil when mixed.
Suggested Side Dishes
Alternative Ingredients
sweet potato noodles - Substitute with rice noodles: Rice noodles have a similar texture and are also gluten-free, making them a good alternative.
blanched spinach - Substitute with kale: Kale provides a similar leafy texture and can be blanched to achieve the same consistency.
julienned carrot - Substitute with julienned zucchini: Zucchini offers a similar crunch and can be easily julienned to match the texture of carrots.
julienned red bell pepper - Substitute with julienned yellow bell pepper: Yellow bell peppers provide a similar sweetness and color contrast.
sliced onion - Substitute with sliced shallots: Shallots have a milder flavor and can be used to achieve a similar taste profile.
minced garlic - Substitute with garlic powder: Garlic powder can be used in a pinch to provide a similar garlicky flavor.
soy sauce - Substitute with tamari: Tamari is a gluten-free alternative that offers a similar umami flavor.
sesame oil - Substitute with olive oil: Olive oil can be used as a substitute, though it will impart a slightly different flavor.
sugar - Substitute with maple syrup: Maple syrup provides a natural sweetness and can be used as a vegan alternative.
toasted sesame seeds - Substitute with toasted sunflower seeds: Toasted sunflower seeds offer a similar crunch and nutty flavor.
Other Alternative Recipes Similar to This Dish
How to Store or Freeze This Dish
- Allow the sweet potato noodles to cool completely before storing. This helps prevent condensation, which can make the noodles soggy.
- Transfer the noodles and vegetables into an airtight container. Ensure the container is clean and dry to maintain the freshness of the dish.
- For short-term storage, place the container in the refrigerator. The vegan japchae can be kept in the fridge for up to 3-4 days.
- If you plan to store the japchae for a longer period, consider freezing it. Portion the noodles into individual servings before placing them in freezer-safe bags or containers. This makes it easier to thaw only what you need.
- When freezing, remove as much air as possible from the bags to prevent freezer burn. Label the bags with the date to keep track of their freshness.
- To reheat refrigerated japchae, you can use a microwave or a stovetop. If using a microwave, cover the dish with a microwave-safe lid or wrap to retain moisture. Heat in short intervals, stirring occasionally until warmed through.
- For stovetop reheating, add a splash of water or vegetable broth to a pan and gently warm the noodles over medium heat, stirring frequently.
- If reheating from frozen, it's best to thaw the japchae in the refrigerator overnight. Once thawed, follow the same reheating instructions as for refrigerated noodles.
- Avoid overcooking the noodles during reheating to maintain their texture. A quick stir-fry or gentle warming is usually sufficient.
- Garnish with additional toasted sesame seeds or a drizzle of sesame oil just before serving to refresh the flavors.
How to Reheat Leftovers
Stovetop method:
- Heat a large frying pan over medium heat.
- Add a small amount of oil or sesame oil to the pan.
- Add the leftover Vegan Japchae and stir-fry for 3-5 minutes until heated through.
- If the noodles seem dry, add a splash of water or soy sauce to moisten them.
- Stir occasionally to ensure even heating.
Microwave method:
- Place the leftover Vegan Japchae in a microwave-safe dish.
- Cover the dish with a microwave-safe lid or plastic wrap with a small vent.
- Microwave on high for 1-2 minutes.
- Stir the noodles and check the temperature.
- If needed, microwave for an additional 30 seconds to 1 minute until thoroughly heated.
Oven method:
- Preheat your oven to 350°F (175°C).
- Place the leftover Vegan Japchae in an oven-safe dish.
- Cover the dish with aluminum foil to prevent drying out.
- Bake for 10-15 minutes until heated through.
- Stir halfway through the reheating process to ensure even heating.
Steaming method:
- Set up a steamer basket over a pot of boiling water.
- Place the leftover Vegan Japchae in the steamer basket.
- Cover and steam for 5-7 minutes until heated through.
- Stir the noodles halfway through to ensure even heating.
Air fryer method:
- Preheat your air fryer to 350°F (175°C).
- Place the leftover Vegan Japchae in the air fryer basket.
- Heat for 3-5 minutes, shaking the basket halfway through to ensure even heating.
- Check the noodles and heat for an additional 1-2 minutes if necessary.
Best Tools for This Recipe
Large pot: Used to cook the sweet potato noodles according to the package instructions.
Colander: Used to drain the cooked sweet potato noodles.
Large frying pan: Used to stir-fry the garlic, onion, carrot, red bell pepper, and spinach.
Wooden spoon: Used to stir the vegetables while cooking.
Mixing bowl: Used to combine the cooked noodles, vegetables, soy sauce, sesame oil, and sugar.
Measuring spoons: Used to measure out the soy sauce, sesame oil, and sugar.
Knife: Used to julienne the carrot and red bell pepper, and slice the onion.
Cutting board: Used as a surface to cut the vegetables.
Garlic press: Used to mince the garlic cloves.
Serving plate: Used to serve the finished Japchae.
Tongs: Used to mix the noodles and vegetables together in the mixing bowl.
Small bowl: Used to hold the toasted sesame seeds for garnishing.
How to Save Time on Making This Recipe
Prep ingredients in advance: Wash, julienne, and slice all vegetables ahead of time to streamline the cooking process.
Use pre-blanched spinach: Purchase pre-blanched spinach to skip the blanching step.
Cook noodles ahead: Boil the sweet potato noodles earlier in the day and store them in the fridge until ready to use.
One-pan cooking: Use a large frying pan to cook all vegetables together, reducing the number of dishes to clean.
Ready-made sauce: Mix the soy sauce, sesame oil, and sugar in advance to quickly combine with the noodles and vegetables.

Vegan Japchae Korean Noodles Recipe
Ingredients
Main Ingredients
- 200 g sweet potato noodles
- 1 cup spinach blanched
- 1 carrot julienned
- 1 red bell pepper julienned
- 1 onion sliced
- 2 cloves garlic minced
- 2 tablespoon soy sauce
- 1 tablespoon sesame oil
- 1 tablespoon sugar
- 1 tablespoon sesame seeds toasted
Instructions
- Cook the sweet potato noodles according to the package instructions. Drain and set aside.
- In a large frying pan, heat a bit of oil over medium heat. Add the garlic and onion, and cook until fragrant.
- Add the carrot, red bell pepper, and spinach. Stir-fry until the vegetables are tender.
- In a mixing bowl, combine the cooked noodles, vegetables, soy sauce, sesame oil, and sugar. Mix well.
- Garnish with toasted sesame seeds before serving.
Nutritional Value
Keywords
Suggested Appetizers and Desserts for This Recipe
More Amazing Recipes to Try 🙂
- Vegan Shepherds Pie with Sweet Potato Recipe1 Hours
- Vegan Fajitas Recipe30 Minutes
- Tabbouleh Recipe20 Minutes
- Strawberry Oatmeal Breakfast Smoothie Recipe5 Minutes
- Marinara Sauce Recipe40 Minutes
- Vegan Pumpkin Waffles Recipe25 Minutes
- Instant Pot Vegan Steel Cut Oats Recipe30 Minutes
- Vegan Tofu Eggs Recipe20 Minutes
Leave a Reply