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Vegan Udon Noodles

These Vegan Udon Noodles are a quick and satisfying Japanese-inspired stir-fry made with thick, chewy udon noodles, colorful vegetables, and a savory umami-rich sauce. This plant-based version of yaki udon combines mushrooms, cabbage, carrots, and fresh aromatics with a glossy sauce for a comforting meal that tastes like your favorite Japanese restaurant dish. Ready in about 30 minutes, it’s an easy vegan dinner perfect for busy weeknights.
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Course: Dinner, lunch, Main Course
Cuisine: Japanese
Prep Time: 10 minutes
Cook Time: 15 minutes
Total Time: 25 minutes
Author: Austin Carter
Servings: 4

Equipment

Ingredients

For the Udon Noodles

  • 400 g fresh or vacuum-packed udon noodles
  • 2 tablespoons vegetable oil or other neutral oil
  • 3 green onions sliced, white and green parts separated
  • 1 tablespoon fresh ginger finely grated or julienned
  • 3 garlic cloves minced
  • 1 cup shredded cabbage
  • 1 medium carrot julienned
  • 1 red bell pepper thinly sliced
  • 1 cup shiitake mushrooms sliced
  • 1 cup bok choy or pak choi chopped
  • ½ cup edamame cooked
  • 2 tablespoons sesame seeds for topping

For the Vegan Udon Sauce

  • 3 tablespoons dark soy sauce
  • 1 tablespoon mirin
  • 1 tablespoon rice vinegar
  • 1 tablespoon maple syrup or brown sugar
  • 1 tablespoon vegan mushroom sauce or vegan oyster sauce
  • 1 teaspoon toasted sesame oil
  • ½ teaspoon chili garlic sauce optional
  • 1 teaspoon mushroom seasoning optional

Instructions

  • Prepare the sauce by whisking together dark soy sauce, mirin, rice vinegar, maple syrup, vegan mushroom sauce, sesame oil, chili garlic sauce, and mushroom seasoning if using. Set aside while preparing the vegetables.
    Prepare the sauce by whisking together dark soy sauce, mirin, rice vinegar, maple syrup, vegan mushroom sauce, sesame oil, chili garlic sauce, and mushroom seasoning
  • If using vacuum-packed udon noodles, soak them in warm water for a few minutes until the noodles separate easily. Drain well and gently loosen them with your hands. If using dried udon noodles, cook according to the package directions until just tender, then drain.
    If using vacuum-packed udon noodles, soak them in warm water for a few minutes until the noodles separate easily
  • Heat a large wok or skillet over medium-high heat. Add the vegetable oil and allow it to become hot before adding the aromatics.
  • Add the white parts of the green onions, ginger, and garlic. Stir-fry for about 30–60 seconds until fragrant.
    Add the white parts of the green onions, ginger, and garlic. Stir-fry for about 30–60 seconds until fragrant
  • Add the mushrooms and cook for 2–3 minutes until they begin to soften and develop a deeper flavor.
    Add the mushrooms and cook for 2–3 minutes until they begin to soften and develop a deeper flavor
  • Add the cabbage, carrot, bell pepper, and bok choy stems. Stir-fry for another 3–4 minutes until the vegetables are slightly tender while still keeping some crunch.
    Add the cabbage, carrot, bell pepper, and bok choy stems. Stir-fry for another 3–4 minutes until the vegetables are slightly tender while still keeping some crunch
  • Add the bok choy leaves and edamame, then toss everything together for another minute.
    Add the bok choy leaves and edamame, then toss everything together for another minute
  • Push the vegetables to one side of the wok and add the prepared sauce. Allow it to bubble gently for a few seconds to enhance the flavor.
  • Add the udon noodles and toss everything together until the noodles are evenly coated in the glossy sauce.
    Add the udon noodles and toss everything together until the noodles are evenly coated
  • Continue stir-frying for 2–3 minutes until the noodles are heated through and the sauce has slightly thickened. Be gentle while tossing to avoid breaking the noodles.
  • Remove from heat and garnish with the remaining green onions and sesame seeds.
  • Serve warm with extra chili sauce, sesame seeds, or fresh herbs if desired.

Notes

  • Use fresh udon noodles when possible: Fresh or vacuum-packed udon noodles have the best chewy texture and are ideal for stir-frying.
  • Do not overcook the noodles: Udon noodles are already soft and chewy, so they only need to be warmed through and coated with sauce.
  • Prepare everything before cooking: Stir-frying moves quickly, so chop the vegetables and mix the sauce before turning on the heat.
  • Keep vegetables crisp: Avoid overcrowding the pan. Cooking over medium-high heat helps maintain the vegetables’ texture.
  • Add more protein: Crispy tofu, tempeh, edamame, or vegan chicken pieces can make this meal more filling.
  • Make it gluten-free: Traditional udon noodles contain wheat. For a gluten-free option, use gluten-free noodles and replace soy sauce with tamari.
  • Customize the vegetables: Broccoli, snap peas, napa cabbage, zucchini, bean sprouts, or baby corn are excellent additions.
  • Storage: Store leftover Vegan Udon Noodles in an airtight container in the refrigerator for up to 4 days. Reheat in a skillet with a splash of water to loosen the sauce.
Keyword Vegan Udon Noodles