One-Pot Mushroom and Parmesan Pasta

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

A creamy, one-pot pasta dish featuring earthy mushrooms, garlic, and Parmesan, ready in 27 minutes with minimal cleanup. This italian-inspired pasta ready in about 27 minutes pairs spaghetti, olive oil, onion for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 600 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.

★ 4.5 (10 ratings) Prep: 15 min Cook: 12 min Serves 4 Italian cuisine 600 cal/serving
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Ingredients

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Instructions

  1. Step 1: Heat 2 tbsp olive oil in a large pot over medium heat. Add 1 medium finely chopped onion and cook for 5 minutes until softened.
  2. Step 2: Add 3 minced garlic cloves and 12 oz sliced cremini mushrooms. Cook for 8 minutes, stirring occasionally, until mushrooms are golden and tender.
  3. Step 3: Stir in 1 cup vegetable broth and 1/4 tsp salt, bringing to a simmer. Add 12 oz spaghetti, breaking into pieces to fit.
  4. Step 4: Cover and cook for 12 minutes, stirring once halfway, until spaghetti is al dente and broth is absorbed.
  5. Step 5: Stir in 1/2 cup heavy cream and 1/4 cup grated Parmesan cheese. Cook for 2 minutes until sauce coats pasta.
  6. Step 6: Season with 1/8 tsp black pepper and 2 tbsp chopped fresh parsley. Serve immediately.

Frequently asked questions

How long does One-Pot Mushroom and Parmesan Pasta take to make?

Total time is about 27 minutes (15 min prep + 12 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 One-Pot Mushroom and Parmesan Pasta?

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 spaghetti from drying out.

Can I substitute ingredients in One-Pot Mushroom and Parmesan Pasta?

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 One-Pot Mushroom and Parmesan Pasta 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.

What goes well with One-Pot Mushroom and Parmesan Pasta?

Italian pasta like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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