Toasted Sesame Udon Noodles with Sautéed Mushrooms and Scallions

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

Chewy udon noodles tossed in a savory toasted sesame sauce, topped with earthy sautéed mushrooms and bright scallions for a satisfying vegetarian dish. This japanese-inspired noodles (vegetarian) ready in about 25 minutes pairs fresh or frozen udon noodles, sesame oil, soy sauce for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 450 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 450 cal/serving
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Ingredients

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Instructions

  1. Step 1: Bring a large pot of water to a boil. Add 12 oz udon noodles and cook according to package instructions (usually 3-5 minutes for fresh), until tender but chewy. Drain and set aside.
  2. Step 2: Heat 2 tbsp sesame oil in a large skillet over medium-high heat. Add 8 oz sliced button mushrooms and sauté for 5-6 minutes until golden brown and tender.
  3. Step 3: Add 2 minced garlic cloves to the mushrooms and cook for 30 seconds until fragrant.
  4. Step 4: Stir in 3 tbsp soy sauce, 1 tbsp mirin, and 1 tsp sugar, cooking for 1-2 minutes until the sauce thickens slightly.
  5. Step 5: Add the drained udon noodles to the skillet and toss well to coat evenly with the sauce and mushrooms.
  6. Step 6: Remove from heat and fold in 3 thinly sliced green onions and 1 tbsp toasted sesame seeds.
  7. Step 7: Serve immediately garnished with extra sesame seeds or green onions if desired.

Frequently asked questions

How long does Toasted Sesame Udon Noodles with Sautéed 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 Toasted Sesame Udon Noodles with Sautéed 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 Toasted Sesame Udon Noodles with Sautéed 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 Toasted Sesame Udon Noodles with Sautéed 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 Toasted Sesame Udon Noodles with Sautéed 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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