Yaki Udon Stir Fry with Shiitake Mushrooms and Scallions

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

Thick udon noodles stir-fried with earthy shiitake mushrooms, scallions, and a savory soy-based sauce for a comforting noodle dish. This japanese-inspired pasta (vegetarian) ready in about 25 minutes pairs fresh or frozen udon noodles, sliced shiitake mushrooms, stalks, sliced scallions for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 400 calories and feeds 3, 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.

Prep: 10 min Cook: 15 min Serves 3 Japanese cuisine 400 cal/serving
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Ingredients

Instructions

  1. Step 1: If using frozen udon noodles, blanch 12 oz in boiling water for 2 minutes until loosened, then drain and set aside.
  2. Step 2: Heat 2 tbsp vegetable oil in a large skillet or wok over medium-high heat. Add 3 minced garlic cloves and 1 tbsp minced ginger, sauté for 30 seconds until fragrant.
  3. Step 3: Add 1 cup sliced shiitake mushrooms and cook for 4 minutes until mushrooms are tender and starting to brown.
  4. Step 4: Add the udon noodles to the skillet along with 3 tbsp soy sauce, 1 tbsp mirin, and 2 tsp sesame oil. Toss to combine and cook for 3 minutes until noodles are heated through and coated with sauce.
  5. Step 5: Stir in 3 sliced scallions and cook for another minute until scallions are slightly softened.
  6. Step 6: Transfer to serving plates and sprinkle 1 tbsp toasted sesame seeds and optional 1/4 tsp red pepper flakes on top for a mild kick.

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Frequently asked questions

How long does Yaki Udon Stir Fry with Shiitake Mushrooms and Scallions take to make?

Total time is about 25 minutes (10 min prep + 15 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Yaki Udon Stir Fry with Shiitake Mushrooms and Scallions?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep fresh or frozen udon noodles from drying out.

Can I substitute ingredients in Yaki Udon Stir Fry with Shiitake Mushrooms and Scallions?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Yaki Udon Stir Fry with Shiitake Mushrooms and Scallions for a different number of people?

The recipe is written for 3 servings. Multiply each ingredient by (your serving target / 3). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

Is Yaki Udon Stir Fry with Shiitake Mushrooms and Scallions vegetarian?

Yes — this recipe is tagged vegetarian based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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