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Beef Japchae (Korean Glass Noodles)

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  • Author: Lily Carter
  • Prep Time: 20 minutes
  • Cook Time: 15 minutes
  • Total Time: 35 minutes
  • Yield: 6-8 servings 1x
  • Category: Main Course, Side Dish
  • Method: Stir-Fried
  • Cuisine: Korean

Description

apchae is a classic Korean dish featuring chewy sweet potato glass noodles, tender marinated beef, and stir-fried vegetables, all tossed in a savory-sweet sesame sauce. Perfect as a main dish or side, this easy homemade version delivers bold, authentic flavors with simple steps. Enjoy it warm or cold for a delicious meal any time!


Ingredients

Units Scale

For the Beef:

  • 1/2 lb (225g) ribeye or sirloin, thinly sliced
  • 1 tablespoon soy sauce
  • 1 teaspoon sesame oil
  • 1/2 teaspoon brown sugar
  • 1 clove garlic, minced
  • 1/4 teaspoon black pepper

For the Noodles & Vegetables:

  • 8 oz (225g) sweet potato glass noodles (dangmyeon)
  • 1 tablespoon sesame oil (for noodles)
  • 1 medium carrot, julienned
  • 1 red bell pepper, thinly sliced
  • 4 oz (115g) shiitake or cremini mushrooms, sliced (optional)
  • 2 cups fresh spinach
  • 2 green onions, sliced
  • 1 tablespoon toasted sesame seeds (for garnish)

For the Sauce:

  • 3 tablespoons soy sauce
  • 1 1/2 tablespoons brown sugar
  • 1 tablespoon sesame oil
  • 1 teaspoon minced garlic

Instructions

  1. Marinate the Beef:

    • In a bowl, mix sliced beef with soy sauce, sesame oil, brown sugar, garlic, and black pepper. Let marinate for at least 15 minutes.

  2. Cook the Noodles:

    • Boil the sweet potato noodles according to package instructions. Drain, rinse under cold water, and toss with 1 tablespoon sesame oil to prevent sticking.

  3. Sauté the Vegetables:

    • Heat a pan over medium heat with a drizzle of sesame oil. Stir-fry carrots, bell peppers, and mushrooms (if using) for 2-3 minutes until slightly tender.

    • Add spinach and cook for another minute until wilted. Remove from the pan and set aside.

  4. Cook the Beef:

    • In the same pan, cook the marinated beef over medium-high heat until browned, about 3-4 minutes. Remove from heat.

  5. Mix Everything Together:

    • In a large bowl, combine the cooked noodles, beef, and vegetables.

    • In a small bowl, whisk together the soy sauce, brown sugar, sesame oil, and minced garlic. Pour over the noodles and toss to combine.

  6. Garnish and Serve:

    • Sprinkle with sesame seeds and sliced green onions. Serve warm or at room temperature.


Notes

  • Don’t Overcook the Noodles: Rinse with cold water immediately after boiling to keep them chewy.
  • Cook Ingredients Separately: This keeps everything at the ideal texture.
  • Vegetarian Option: Swap the beef for tofu or add extra mushrooms for a plant-based version.
  • Make-Ahead Friendly: Japchae tastes even better after a few hours as the flavors meld.

Nutrition

  • Serving Size: 1 Cup
  • Calories: 320
  • Sugar: 6g
  • Sodium: ~700mg
  • Fat: 12g
  • Saturated Fat: 3g
  • Unsaturated Fat: 9g
  • Trans Fat: 0g
  • Carbohydrates: 40g
  • Fiber: 3g
  • Protein: 15g
  • Cholesterol: ~35mg