One-Pot Cheesy Spinach and Mushroom Pasta
A comforting one-pot pasta dish featuring tender mushrooms and vibrant spinach in a creamy cheese sauce. This italian-inspired pasta (vegetarian) ready in about 30 minutes pairs penne pasta, olive oil, sliced white button mushrooms for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 450 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 penne pasta
- 2 tbsp olive oil
- 8 oz, sliced white button mushrooms
- 3 cloves minced garlic
- 5 cups, packed fresh spinach
- 4 cups vegetable broth
- 1/2 cup heavy cream
- 1 cup shredded mozzarella cheese
- 1/2 cup grated Parmesan cheese
- 1 tsp salt
- 1/2 tsp black pepper
- 1/4 tsp (optional) red pepper flakes
Instructions
- Step 1: In a large pot, heat 2 tbsp olive oil over medium heat. Add 8 oz sliced white button mushrooms and sauté for 5 minutes until golden and fragrant.
- Step 2: Add 3 cloves minced garlic to the mushrooms and cook for 1 minute until aromatic but not browned.
- Step 3: Pour in 4 cups vegetable broth and bring to a simmer. Add 12 oz penne pasta, 1 tsp salt, and 1/2 tsp black pepper. Stir and cook uncovered for 10 minutes, stirring occasionally until pasta is almost al dente.
- Step 4: Stir in 5 cups packed fresh spinach and 1/2 cup heavy cream, cook for 2 minutes until spinach wilts and the sauce thickens slightly.
- Step 5: Remove from heat and fold in 1 cup shredded mozzarella cheese and 1/2 cup grated Parmesan cheese until melted and creamy. Sprinkle 1/4 tsp red pepper flakes if desired before serving.
Equipment for this recipe
Top-rated tools to make this recipe successfully.
Frequently asked questions
How long does One-Pot Cheesy Spinach and Mushroom 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 Cheesy Spinach and Mushroom 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 penne pasta from drying out.
Can I substitute ingredients in One-Pot Cheesy Spinach and Mushroom 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 Cheesy Spinach and Mushroom 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 Cheesy Spinach and Mushroom 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.
