Udon Noodle Stir Fry with Mushrooms Recipe

Udon Noodle Stir Fry with Mushrooms Recipe tastes savory, chewy, a little garlicky, and deeply umami from a mix of soy, sesame, and browned mushrooms, and it comes together in about 25–30 minutes start to finish. It works perfectly for busy weeknights, mushroom lovers, and anyone who wants a takeout-style dinner without leaving the house. I first tested this version after a long farmers’ market run, and my kids tried to claim the leftovers before I even finished the photos.

Why You Should Try This Udon Noodle Stir Fry with Mushrooms Recipe

Thick, chewy udon noodles soak up a glossy sauce and cling to tender mushrooms, scallions, and a hint of garlic. The whole dish tastes like your favorite noodle shop, but you control the salt, spice, and veggies.

You cook everything in one large pan, so cleanup stays easy. You also use mostly pantry staples, which means you can keep frozen udon bricks and soy sauce on hand and pull this off on a random Tuesday night.

“This Udon Noodle Stir Fry with Mushrooms Recipe tastes like cozy takeout at home, with bouncy noodles and rich umami flavor in every bite. ★★★★★”

Ingredients You’ll Need

Udon noodles

• 14 to 16 ounces frozen udon noodles
  • I like frozen “sanuki” style udon because it stays extra chewy.
  • Shelf-stable udon works too, but cook it slightly under the package time so it stays firm.
  • Avoid instant soup-style udon bricks since they turn too soft in a stir fry.

Mushrooms and vegetables

• 10 to 12 ounces mushrooms, sliced

  • Use shiitake, cremini, or a mix. Shiitake brings deep flavor, cremini keeps cost friendly.
  • You can use oyster or maitake for more texture if your store carries them.

• 1 small yellow onion, thinly sliced

• 3 to 4 scallions, sliced (separate white and green parts)

• 1 small carrot, cut into thin matchsticks or peeled into ribbons

• 1 small handful baby spinach or napa cabbage, roughly chopped

• 3 to 4 cloves garlic, minced

• 1 teaspoon grated fresh ginger (optional but tasty)

Sauce ingredients

• 3 tablespoons soy sauce

  • Use low-sodium if you watch salt. Taste at the end and add a splash more if needed.

• 1 tablespoon dark soy sauce (optional, for color and deeper flavor)

• 1 tablespoon oyster sauce or vegetarian mushroom stir fry sauce

• 1 tablespoon mirin or 1 teaspoon sugar plus 2 teaspoons water

• 1 teaspoon toasted sesame oil

• 1 to 2 teaspoons chili garlic sauce or sriracha (optional, for heat)

• 2 to 3 tablespoons water or low-sodium vegetable broth

Cooking fats and toppings

• 1½ to 2 tablespoons neutral oil (canola, avocado, or grapeseed)
• 1 teaspoon butter (optional, gives a glossy finish and richer taste)
• Sesame seeds, for topping
• Extra sliced scallion greens, for topping
• Lime wedges or a small splash of rice vinegar, to brighten at the end

Pantry shortcuts and substitutions

• Use pre-sliced mushrooms and pre-shredded carrots to cut prep time.
• Swap spinach with any quick-cooking green like baby kale or bok choy.
• Use tamari instead of soy sauce for a gluten-free version, and check your noodles for gluten-free labeling.
• If you lack mirin, mix 1 teaspoon sugar with 2 teaspoons water and stir until it dissolves, then add it to the sauce.

Equipment list

• Large nonstick skillet or wok
• Medium pot for boiling udon (if not using a “pan-ready” frozen style)
• Tongs or chopsticks for tossing noodles
• Small bowl and whisk or fork for mixing sauce
• Cutting board and sharp knife

Tips & Tricks

• Boil udon just until it loosens, then drain and rinse quickly so the noodles stay chewy, not mushy.
• Pat mushrooms dry and avoid crowding the pan so they brown instead of steaming.
• Mix the sauce in a small bowl before you start cooking so you can pour it in quickly.
• Keep the pan hot and add ingredients in stages, starting with mushrooms and onions, then quicker-cooking veggies, then noodles.
• Toss noodles gently with tongs so they do not break and so the sauce coats every strand.
• Taste at the end and adjust with a splash of soy for salt, chili sauce for heat, or lime/rice vinegar for brightness.
• If noodles clump, splash in a tablespoon of water and toss over medium heat until they loosen.
• Use a nonstick skillet if you do not own a wok, and heat it until it feels hot when you hold your hand a few inches above it.

How to Make Udon Noodle Stir Fry with Mushrooms Recipe

Step 1: Prep the noodles

1. Bring a medium pot of water to a boil.
2. Add frozen udon and cook just until the bricks separate and the noodles loosen, usually 1 to 2 minutes.
3. Drain the noodles, rinse briefly under cold water to stop the cooking, then drain again and set aside.
4. Toss the noodles with a tiny drizzle of oil so they do not stick while you prep everything else.

Step 2: Mix the stir fry sauce

1. In a small bowl, add soy sauce, dark soy sauce, oyster or mushroom sauce, mirin, sesame oil, chili garlic sauce, and water or broth.
2. Whisk until the mixture looks smooth and glossy.
3. Taste a drop and adjust sweetness or heat to your liking.
4. Set the bowl near the stove so you can grab it quickly.

Step 3: Prep the vegetables and aromatics

1. Slice mushrooms, onion, and scallions, and cut the carrot into thin matchsticks.
2. Mince the garlic and grate the ginger.
3. Roughly chop spinach or other greens.
4. Keep everything in small piles on a cutting board or in small bowls so you can add them in order.

Step 4: Brown the mushrooms

1. Heat a large skillet or wok over medium-high heat.
2. Add 1 tablespoon of oil and swirl to coat the pan.
3. Add mushrooms in a single layer and let them sit for 2 to 3 minutes without stirring so they brown on one side.
4. Stir and cook another 2 to 3 minutes until the mushrooms turn golden and smell nutty.

Step 5: Add onions and aromatics

1. Push mushrooms to one side of the pan.
2. Add another ½ tablespoon of oil to the empty side, then add sliced onion and the white parts of the scallions.
3. Cook 2 minutes until the onion softens and picks up some color.
4. Add garlic and ginger, then stir everything together and cook about 30 seconds until fragrant.

Step 6: Toss in the vegetables

1. Add carrot matchsticks to the pan and cook 1 to 2 minutes until slightly tender but still crisp.
2. Add spinach or other greens and stir until they wilt.
3. If the pan looks dry, splash in 1 tablespoon of water to loosen any browned bits and keep things from sticking.
4. Taste a mushroom and adjust salt lightly with a few drops of soy sauce if needed.

Step 7: Add noodles and sauce

1. Add the cooked udon noodles to the pan.
2. Pour the sauce over the noodles, aiming for the center so it hits the noodles first.
3. Use tongs to lift and turn the noodles, pulling vegetables up and over so everything mixes evenly.
4. Cook 2 to 3 minutes, tossing often, until the noodles soak up most of the sauce and look glossy.

Step 8: Finish and serve

1. Stir in the butter, if using, and toss until it melts and coats the noodles.
2. Add scallion greens and give everything one last toss.
3. Turn off the heat and squeeze a little lime juice or add a tiny splash of rice vinegar over the top.
4. Serve the Udon Noodle Stir Fry with Mushrooms Recipe hot, topped with sesame seeds and extra scallions.

What to Serve with Udon Noodle Stir Fry with Mushrooms Recipe

Serve this Udon Noodle Stir Fry with Mushrooms Recipe with a simple cucumber salad, edamame, or a quick side of steamed broccoli for extra veggies. A bowl of miso soup or a light tofu soup pairs nicely and keeps the meal cozy without feeling heavy. You can also add a side of sliced oranges or a small fruit salad to cut through the richness of the noodles. If you pack lunches, tuck some cold sliced cucumbers with rice vinegar and sesame seeds next to leftover noodles for a satisfying meal.

Storage Options

• Store leftover Udon Noodle Stir Fry with Mushrooms Recipe in an airtight container in the fridge for up to 3 days.
• Reheat in a skillet over medium heat with a splash of water, tossing until hot and loosened, or microwave in short bursts with a damp paper towel on top.
• Avoid freezing this dish, since udon noodles turn mushy and the vegetables lose their texture after thawing.
• If you plan for leftovers, keep a little extra sauce in a jar in the fridge and add a spoonful while reheating to refresh flavor and moisture.