One-Pot Creamy Mushroom and Thyme Pasta

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

A simple, creamy pasta dish made with mushrooms and thyme, all cooked in one pot for minimal cleanup. This italian-inspired one pot ready in about 30 minutes pairs (225 g) spaghetti, (225 g), sliced mushrooms, (75 g), finely chopped onion for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 580 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.

Prep: 10 min Cook: 20 min Serves 4 Italian cuisine 580 cal/serving
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Ingredients

Instructions

  1. Step 1: In a large pot, melt 2 tbsp butter with 1 tbsp olive oil over medium heat. Add 75 g chopped onion and cook for 5 minutes until soft.
  2. Step 2: Add 225 g sliced mushrooms and cook for 8 minutes until browned. Stir in 2 minced garlic cloves and 1 tbsp fresh thyme, cooking for 1 minute until fragrant.
  3. Step 3: Add 225 g spaghetti, 240 ml vegetable broth, and 1 cup (240 ml) water. Bring to a boil, then reduce heat to a simmer.
  4. Step 4: Cook for 12 minutes, stirring occasionally, until pasta is al dente.
  5. Step 5: Stir in 120 ml heavy cream and 50 g grated Parmesan until melted and sauce thickens. Season with salt and pepper to taste.

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Frequently asked questions

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

Total time is about 30 minutes (10 min prep + 20 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 Creamy Mushroom and Thyme 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 (225 g) spaghetti from drying out.

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

Italian one pot 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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