One-Pot Mushroom and Thyme Pasta
A simple, savory pasta dish with earthy mushrooms and fresh thyme, cooked entirely in one pot for minimal cleanup. This italian-inspired pasta (vegetarian) ready in about 40 minutes pairs spaghetti, olive oil, medium, finely diced onion for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 500 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 spaghetti
- 2 tbsp olive oil
- 1 medium, finely diced onion
- 3 cloves, minced garlic
- 8 oz, sliced mushrooms
- 1 cup vegetable broth
- 1/2 cup heavy cream
- 1 tbsp fresh thyme leaves
- 1/2 cup, grated Parmesan cheese
Instructions
- Step 1: Bring a large pot of salted water to a rolling boil. Add 12 oz spaghetti and cook for 8-10 minutes until al dente, then drain and reserve 1/2 cup pasta water.
- Step 2: Heat 2 tbsp olive oil in a large skillet over medium heat. Add 1 medium onion, finely diced, and 3 garlic cloves, minced, and cook for 3 minutes until translucent and fragrant.
- Step 3: Add 8 oz sliced mushrooms to the skillet and cook for 5 minutes until they release moisture and brown slightly.
- Step 4: Stir in 1 cup vegetable broth and 1 tbsp fresh thyme leaves, then bring to a simmer for 2 minutes to reduce.
- Step 5: Add the drained spaghetti to the skillet with 1/2 cup reserved pasta water and 1/2 cup heavy cream, stirring until the sauce thickens and coats the pasta.
- Step 6: Season with salt and pepper to taste, then stir in 1/2 cup grated Parmesan cheese until melted and combined.
Equipment for this recipe
Top-rated tools to make this recipe successfully.
Frequently asked questions
How long does One-Pot Mushroom and Thyme Pasta take to make?
Total time is about 40 minutes (15 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 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 spaghetti from drying out.
Can I substitute ingredients in One-Pot 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 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.
Is One-Pot Mushroom and Thyme Pasta 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.
What others are saying
- ★★★☆☆
Decent recipe but nothing special. Might try a different version.
- ★★★☆☆
It was fine. Came out a bit bland for my taste.
- ★★★☆☆
It was fine. Came out a bit bland for my taste.