Stir-Fried Korean Glass Noodles with Vegetables and Beef

By AislePrompt Editorial · Published 2026-06-03 · Updated 2026-06-03

A savory and slightly sweet Korean japchae featuring tender glass noodles tossed with marinated beef and crisp vegetables. This Korean-inspired noodle recipe, ready in about 30 minutes, pairs sweet potato glass noodles, soy sauce, sugar for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 350 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Ingredients

• 8 oz sweet potato glass noodles
• 4 tbsp soy sauce
• 1 tbsp sugar
• 2 tbsp sesame oil
• 3, minced garlic cloves
• 8 oz, thinly sliced beef sirloin
• 1 medium, julienned carrot
• 1 small, julienned red bell pepper
• 2 cups, fresh spinach
• 2 stalks, sliced green onion
• 1 tbsp, toasted sesame seeds
• 2 tbsp vegetable oil
• 1/4 tsp black pepper
• 4 cups water

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Instructions

1. Step 1: Bring 4 cups of water to a boil in a large pot. Add 8 oz sweet potato glass noodles and cook for 6 minutes until soft but still chewy, then drain and rinse under cold water to stop cooking.
2. Step 2: In a medium bowl, mix 4 tbsp soy sauce, 1 tbsp sugar, 2 tbsp sesame oil, and 1/4 tsp black pepper. Toss the cooked noodles gently in this marinade and set aside.
3. Step 3: Heat 1 tbsp vegetable oil in a large skillet over medium-high heat. Add 3 minced garlic cloves and sauté for 30 seconds until fragrant.
4. Step 4: Add 8 oz thinly sliced beef sirloin to the skillet and stir-fry for 3-4 minutes until browned and cooked through. Remove beef from skillet and set aside.
5. Step 5: In the same skillet, add another 1 tbsp vegetable oil. Add 1 medium julienned carrot, 1 small julienned red bell pepper, and 2 cups fresh spinach. Stir-fry for 3 minutes until vegetables are tender but crisp.
6. Step 6: Return the beef to the skillet along with the marinated noodles and 2 sliced green onions. Toss everything together and cook for 2 more minutes until heated through and flavors meld.
7. Step 7: Transfer to a serving dish and sprinkle with 1 tbsp toasted sesame seeds before serving.