Farfalle Pasta with Spinach, Mushrooms, and Caramelized Onions

If you’re searching for a deliciously satisfying pasta dish that’s both elegant and easy to prepare, Farfalle Pasta with Spinach, Mushrooms, and Caramelized Onions is your ultimate choice. This vegetarian pasta recipe combines tender bowtie pasta with earthy mushrooms, sweet caramelized onions, and vibrant spinach, creating a perfect harmony of flavors. Whether it’s a weeknight dinner or a weekend treat, this dish guarantees rich taste and comfort in every bite.

Why You’ll Love This Recipe

  • Savory and sweet flavor balance: The caramelized onions add natural sweetness that complements the earthy mushrooms and fresh spinach.

  • Quick and easy: Ready in under 30 minutes, this pasta is perfect for busy weeknights.

  • Nutritious: Loaded with vegetables, garlic, and optional Parmesan, it’s a wholesome choice for vegetarians.

  • Budget-friendly: Minimal ingredients with maximum flavor.

  • Versatile: Great as a main dish or a side to grilled proteins.

  • Customizable: Swap mushrooms for zucchini, add sun-dried tomatoes, or make it creamy with a splash of cream.

  • Impressively aesthetic: Vibrant greens, golden onions, and perfectly cooked farfalle make it Instagram-worthy.

  • Comfort food with a gourmet twist: Easy enough for everyday but fancy enough for guests.

Ingredients

For the Pasta Dish

  • 12 oz farfalle pasta

  • 2 large yellow onions, thinly sliced

  • 2 tablespoons olive oil (divided)

  • 2 cups cremini or button mushrooms, sliced

  • 3 cups fresh spinach leaves

  • 3 cloves garlic, minced

  • 1/2 cup grated Parmesan cheese (optional)

  • 1/2 teaspoon salt (or to taste)

  • 1/4 teaspoon black pepper

  • 1/2 teaspoon dried thyme (optional)

  • Fresh parsley for garnish (optional)

Substitutions & Tips:

  • Use baby spinach or kale for a slightly different texture.

  • Shiitake mushrooms can replace cremini for a richer umami flavor.

  • Vegan Parmesan or nutritional yeast works for a dairy-free version.

  • Reserve pasta water to create a silky, cohesive sauce without cream.

How to Make Farfalle Pasta with Spinach, Mushrooms, and Caramelized Onions

Caramelize the Onions

  1. Heat 1 tablespoon of olive oil in a large skillet over medium-low heat.

  2. Add sliced onions and stir occasionally for 20–25 minutes until golden and sweet. Lower the heat if onions brown too quickly.

  3. Remove from skillet and set aside.

Cook the Pasta

  1. Bring a large pot of salted water to a boil.

  2. Add farfalle pasta and cook al dente according to package instructions.

  3. Reserve ½ cup pasta water before draining to adjust the sauce later.

Sauté Mushrooms and Spinach

  1. Heat the remaining 1 tablespoon of olive oil in the same skillet over medium heat.

  2. Add garlic and sauté for 1 minute until fragrant.

  3. Add mushrooms and cook for 5–6 minutes until browned.

  4. Stir in fresh spinach and cook 2–3 minutes until wilted.

Combine and Serve

  1. Return caramelized onions to the skillet and toss with cooked pasta.

  2. Add reserved pasta water gradually to create a silky sauce.

  3. Season with salt, pepper, and thyme.

  4. Serve with Parmesan and garnish with fresh parsley if desired.

Pro Tips

How do I prevent mushrooms from turning soggy?

  • Cook mushrooms over medium-high heat without overcrowding the pan. This ensures proper browning instead of steaming.

Can I make this pasta ahead of time?

  • Yes! Keep pasta undressed and refrigerate separately from the sautéed vegetables. Combine just before serving.

What’s the secret to perfect caramelized onions?

  • Low and slow is key. Stir occasionally and be patient—rushed onions burn easily and lose their natural sweetness.

How can I make this dish creamy without dairy?

  • Add ½ cup of coconut milk or cashew cream when combining pasta with vegetables.

Best Ways to Serve

  • Pair with a crisp green salad and a light vinaigrette.

  • Serve alongside garlic bread for an indulgent meal.

  • Top with toasted pine nuts or walnuts for extra texture.

Nutrition (Per Serving – Serves 4)

  • Calories: 320 kcal

  • Protein: 12 g

  • Carbs: 42 g

  • Fat: 10 g

  • Fiber: 5 g

  • Sodium: 450 mg

Storage & Leftovers

  • Refrigerator: Store in an airtight container for up to 3 days.

  • Freezer: Not recommended for pasta with fresh spinach, as it may become watery.

  • Reheating: Warm gently in a skillet or microwave, adding a splash of water or olive oil to restore creaminess.

FAQs

Q: Can I use whole wheat farfalle for this recipe?
A: Absolutely! Whole wheat adds fiber and a nutty flavor. Adjust cooking time slightly to ensure al dente texture.

Q: How do I enhance the flavor of the spinach?
A: Sauté it briefly with garlic and a pinch of salt. Avoid overcooking to preserve color, nutrients, and texture.

Q: Can I add protein to make it more filling?
A: Yes, grilled chicken, shrimp, or chickpeas work beautifully with this pasta.

Recipe Variations

  • Creamy Farfalle with Spinach and Mushrooms: Add ½ cup cream or cashew cream for a luscious texture.

  • Garlic Mushroom Farfalle: Increase garlic to 5 cloves and sauté until golden for a more intense flavor.

  • Mediterranean Twist: Include sun-dried tomatoes, olives, and feta cheese.

  • Vegan Version: Replace Parmesan with nutritional yeast and use olive oil only.

Conclusion

Farfalle Pasta with Spinach, Mushrooms, and Caramelized Onions is more than just a vegetarian pasta—it’s a celebration of textures, flavors, and easy comfort food. Whether you’re cooking for family or impressing guests, this recipe delivers gourmet taste with minimal effort.

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