Mushroom Walnut Bolognese with Zucchini Noodles

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A rich, meatless sauce with earthy mushrooms and toasted walnuts, tossed with zucchini noodles for a low-carb twist on classic Italian comfort food. This italian-inspired vegetarian (low carb) ready in about 45 minutes pairs cremini, finely chopped mushrooms, toasted and chopped walnuts, finely diced onion for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 310 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.

★ 4.0 (11 ratings) Prep: 20 min Cook: 25 min Serves 4 Italian cuisine 310 cal/serving
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Ingredients

Instructions

  1. Step 1: Heat 1 tbsp olive oil in a large skillet over medium heat. Add onions and cook for 5 minutes until soft and translucent, stirring occasionally.
  2. Step 2: Add mushrooms and garlic, cook for 7-8 minutes until mushrooms release liquid and brown slightly. Stir in tomato paste and cook for 1 minute until darkened.
  3. Step 3: Add vegetable broth, oregano, salt, and black pepper, then simmer for 5 minutes. Stir in toasted walnuts and simmer for 2 more minutes until sauce thickens slightly.
  4. Step 4: Toss zucchini noodles with remaining 1 tbsp olive oil in a separate skillet over medium-low heat for 2-3 minutes until just tender but still al dente. Add sauce and toss to coat evenly without overcooking.

Equipment for this recipe

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Frequently asked questions

How long does Mushroom Walnut Bolognese with Zucchini Noodles take to make?

Total time is about 45 minutes (20 min prep + 25 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 Mushroom Walnut Bolognese with Zucchini Noodles?

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 toasted and chopped walnuts from drying out.

Can I substitute ingredients in Mushroom Walnut Bolognese with Zucchini Noodles?

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 Mushroom Walnut Bolognese with Zucchini Noodles for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). 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 Mushroom Walnut Bolognese with Zucchini Noodles low carb?

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

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