One-Pot Creamy Mushroom and Thyme Pasta with Parmesan
A comforting pasta dish featuring earthy mushrooms, fresh thyme, and a velvety Parmesan sauce made in one pot. This italian-inspired pasta ready in about 35 minutes pairs fettuccine pasta, butter, medium, finely diced onion for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 550 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.
Ingredients
- 12 oz fettuccine pasta
- 2 tbsp butter
- 1 medium, finely diced onion
- 8 oz, sliced cremini mushrooms
- 3 cloves, minced garlic
- 1 tsp dried thyme
- 1 cup heavy cream
- 1/2 cup, grated Parmesan cheese
- 1/4 cup pasta water
- to taste salt
- to taste black pepper
Instructions
- Step 1: Bring a large pot of salted water to a rolling boil; add 12 oz fettuccine and cook for 8-10 minutes until al dente. Reserve 1/4 cup pasta water before draining.
- Step 2: While pasta cooks, melt 2 tbsp butter in a large skillet over medium heat. Add 1 finely diced onion and cook until translucent (about 5 minutes), then add 8 oz sliced cremini mushrooms and 3 minced garlic cloves; cook for 5-7 minutes until mushrooms are tender and golden.
- Step 3: Stir in 1 tsp dried thyme, 1/2 cup heavy cream, and 1/4 cup reserved pasta water; simmer until sauce thickens slightly (about 3 minutes).
- Step 4: Add drained fettuccine to skillet along with 1/2 cup grated Parmesan cheese; toss until cheese melts and coats pasta. If too thick, add more pasta water. Season with salt and pepper, then serve immediately.
Frequently asked questions
How long does One-Pot Creamy Mushroom and Thyme Pasta with Parmesan take to make?
Total time is about 35 minutes (10 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 One-Pot Creamy Mushroom and Thyme Pasta with Parmesan?
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 fettuccine pasta from drying out.
Can I substitute ingredients in One-Pot Creamy Mushroom and Thyme Pasta with Parmesan?
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 with Parmesan 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 with Parmesan?
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.
What others are saying
- ★★★★★
Quick and easy one-pot meal that tasted like a restaurant dish. My kids even ate it!
- ★★★★★
Loved the creamy texture and the thyme added a lovely herbal note. Made for my family and they were impressed!
- ★★★★☆
The mushrooms were delicious, but the sauce was a bit bland for my taste. I'd add more seasoning next time.
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