As I tossed my curly hair back and knee-deep into my cooking routine, I found a pot of vibrant spinach staring back at me. That’s when the idea struck: why not transform this green goodness into a creamy spinach pasta sauce? Inspired by the freshness of basil and the comforting touch of mascarpone, this recipe stands out as a quick weeknight meal. Packed with nutrients, it’s not just a family-friendly dish; it’s also a clever way to sneak more greens onto your plate. Plus, with just a handful of ingredients and minimal prep time, you’ll soon be savoring a rich, silky sauce that clings perfectly to your favorite pasta shape. What’s your go-to pasta choice: something classic like tagliatelle or a fun twist?

Why Choose Creamy Spinach Pasta Sauce?
Quick and Easy: This recipe comes together in under 30 minutes, perfect for busy weeknights.
Nutritious Goodness: A lovely way to sneak in greens, it’s packed with vitamins and flavor.
Endless Variations: From swapping in different pasta shapes to adding sautéed mushrooms, you can customize as you like!
Rich and Creamy: The blend of mascarpone and nuts offers a velvety, smooth texture that everyone will love.
Family-Friendly: It’s a dish that will appeal to both kids and adults, making mealtime a delight!
Pair it with a refreshing salad or some garlic bread for a complete experience—just like a bowl of Healthy Garlic Pasta on the side!
Creamy Spinach Pasta Sauce Ingredients
For the Sauce
- Spinach – The nutrient-rich base, perfect for a creamy spinach pasta sauce; feel free to substitute with kale for a different flavor.
- Extra Virgin Olive Oil – Adds richness and depth; consider using avocado oil for a twist.
- Yellow Onion – Brings sweetness and enhances flavor; shallots or leeks make for a milder option.
- Garlic – Lifts the aroma and taste; you could use garlic paste or powder if you’re short on time.
- Basil – Fresh herb that brightens the sauce; for a different taste, try fresh oregano.
- Parsley – Balances the flavors with its freshness; cilantro can serve as a unique substitute.
- Pistachios – Provides delightful texture and nuttiness; feel free to swap with pine nuts or walnuts.
- Lemon Juice – Brightens the entire sauce; lime juice can also add an interesting twist.
- Mascarpone Cheese – Infuses creaminess and richness; ricotta serves as a lighter alternative.
- Parmigiano-Reggiano – Offers an umami flavor and saltiness; nutritional yeast works for a vegan version.
For the Pasta
- Tagliatelle – A broader pasta shape that perfectly holds the creamy sauce; pappardelle or fettuccine are fantastic alternatives.
- Pasta Cooking Water – Key for adjusting the sauce’s consistency; don’t forget to reserve some before draining.
Step‑by‑Step Instructions for Creamy Spinach Pasta Sauce
Step 1: Blanch Spinach
Bring a large pot of salted water to a rolling boil. Add the fresh spinach and blanch for 30 seconds until it wilts and vibrantly brightens. Immediately transfer the spinach to an ice bath to stop the cooking process and maintain its vibrant green color. Once cooled, drain the spinach and gently squeeze out excess water.
Step 2: Sauté Onions and Garlic
In a large skillet, heat 2 tablespoons of extra virgin olive oil over medium heat. Add finely chopped yellow onion and sauté for 10–12 minutes until the onion turns soft and translucent. Introduce minced garlic and cook for an additional 1 minute or until fragrant, stirring constantly to avoid browning. Remove the mixture from heat and set it aside.
Step 3: Cook Pasta
In the same pot used for blanching, bring fresh salted water to a boil once more. Add the tagliatelle and cook according to package instructions until al dente, generally 8–10 minutes. Reserve 1 cup of the starchy pasta cooking water before draining the pasta to maintain a silky sauce later.
Step 4: Prepare Sauce
In a blender or food processor, combine the blanched spinach, fresh basil, parsley, pistachios, and lemon juice. Blend until smooth, then gradually incorporate 1 tablespoon of olive oil, mascarpone, sautéed onions, and garlic, blending until creamy. Adjust the mixture’s consistency by adding reserved pasta water until it reaches your desired thickness.
Step 5: Combine Pasta and Sauce
Return the drained pasta to the pot and pour the creamy spinach sauce over the top. Toss gently to ensure the tagliatelle is thoroughly coated with the sauce. If the sauce is too thick, continue to adjust with remaining pasta water until you achieve a luscious, even coating.
Step 6: Serve
Scoop the creamy spinach pasta into bowls, garnishing with additional grated Parmigiano-Reggiano, fresh basil, and a drizzle of olive oil. Serve immediately, reveling in the vibrant color and deep flavors of your creamy spinach pasta sauce that the whole family will enjoy!

Expert Tips for Creamy Spinach Pasta Sauce
- Blanching Time: 30 Seconds: Quickly blanch spinach for exactly 30 seconds to maintain its vibrant color and nutrients; overcooking will lead to a dull sauce.
- Right Pasta Choice: Opt for Larger Shapes: Avoid small pasta shapes that can’t hold up to the creamy spinach pasta sauce; tagliatelle or pappardelle work best.
- Nut Toasting: Enhance Flavor: Toast fresh pistachios or whatever nuts you choose for added depth and richness in the sauce before blending.
- Pasta Water Reserve: Important for Consistency: Always reserve some pasta cooking water; it’s crucial for adjusting the sauce to achieve that dreamy, silky texture.
- Flavor Adjustments: Taste as You Go: During blending, taste and adjust seasoning or add more lemon juice or herbs to achieve your preferred flavor profile.
Make Ahead Options
These creamy spinach pasta sauce components are perfect for meal prep! You can blanch the spinach and sauté the onions and garlic up to 24 hours in advance, storing them in airtight containers in the refrigerator to maintain their freshness. Additionally, you can prepare the sauce itself (blend the spinach with herbs, nuts, and cheese) 2-3 days ahead for a quick weeknight dinner. Just remember to reheat gently on the stove, adding reserved pasta water gradually to restore its creamy texture. When you’re ready to serve, simply cook your pasta and mix it with the sauce for a deliciously easy meal that saves you time without sacrificing flavor or quality!
What to Serve with Creamy Spinach Pasta with Mascarpone
Enhancing your creamy spinach pasta experience can elevate your meal from delightful to unforgettable.
- Garlic Bread: Warm, buttery, and crispy, it complements the creamy richness of the sauce, perfect for mopping up every last bit.
- Mixed Green Salad: Crisp greens with a tangy vinaigrette add a refreshing contrast to the pasta’s velvety texture, balancing the meal.
- Roasted Vegetables: Seasonal veggies roasted to caramelized perfection bring vibrant flavors and textures that harmonize beautifully with the creamy dish.
- Grilled Chicken: Tender and seasoned chicken adds heartiness, making the meal more filling while offering a protein boost.
- Chardonnay: A chilled glass of this white wine brightens the palate, enhancing the dish’s overall flavor without overpowering it.
- Lemon Sorbet: This light, refreshing dessert cleanses the palate after indulging in the rich pasta, leaving you satisfied and content.
How to Store and Freeze Creamy Spinach Pasta Sauce
Fridge: Store the creamy spinach pasta sauce in an airtight container, where it will keep for up to 4 days. Make sure to let it cool completely before sealing to avoid condensation.
Freezer: For longer storage, freeze the sauce in individual portions using freezer-safe bags or containers. It should keep well for up to 3 months.
Reheating: When ready to use, thaw overnight in the fridge, then reheat gently on low heat, adding a splash of reserved pasta water to restore the creamy texture.
Make-Ahead: Consider making the sauce ahead of time and keeping it refrigerated for quick dinners. Just remember to reheat it slowly to maintain its silky consistency!
Creamy Spinach Pasta Sauce Variations
Feel free to play with flavors and ingredients to make this creamy spinach pasta sauce uniquely yours!
- Dairy-Free: Substitute mascarpone and Parmigiano-Reggiano with cashew cream and nutritional yeast for a delightful vegan twist.
- Pasta Shape: Try using pappardelle or fettuccine instead of tagliatelle to change the texture and experience of your dish.
- Roasted Garlic: Swap fresh garlic for roasted garlic, bringing a sweeter, mellower flavor to the sauce that’s sure to impress.
- Nutty Twist: Use walnuts or almonds instead of pistachios for an earthy flavor and crunch. Toast them beforehand for an even richer taste.
- Herb Swap: If you lack basil, fresh oregano can lend a different but equally appealing herbaceous note.
- Zesty Twist: Replace lemon juice with lime juice for an unexpected citrus zing that brightens the entire sauce.
- Veggie Boost: Add cooked sun-dried tomatoes or sautéed mushrooms for an extra layer of texture and flavor that complements the creamy base perfectly.
- Heat Level: Spice it up by adding a pinch of red pepper flakes or a splash of hot sauce to the sauce for a delightful kick!
Feel inspired? Now that you’ve got these variations, you might also enjoy a cozy bowl of Cajun Shrimp Sauce for something with a Southern twist or try crafting a delightful salad with Street Corn Pasta on the side for a balanced meal!

Creamy Spinach Pasta Sauce Recipe FAQs
How do I choose the best spinach for this recipe?
Absolutely! When choosing spinach, look for vibrant, dark green leaves without any dark spots or yellowing. The leaves should feel firm and fresh, ideally purchased within a few days. Baby spinach is often more tender, while mature spinach has a stronger flavor. If fresh spinach isn’t available, frozen spinach can work, but be sure to thaw and drain it well before using!
How do I store leftover Creamy Spinach Pasta Sauce?
Very simply! Store your creamy spinach pasta sauce in an airtight container and place it in the refrigerator. It will stay fresh for up to 4 days. Make sure the sauce cools completely before sealing, as this prevents condensation from forming inside the container.
Can I freeze Creamy Spinach Pasta Sauce?
Absolutely, freezing is a great option! To freeze, pour the sauce into individual portions using freezer-safe bags or containers. Be sure to leave some space at the top for expansion. The sauce can be stored frozen for up to 3 months. When you’re ready to enjoy it, thaw overnight in the fridge and reheat gently with a bit of reserved pasta water added to restore its creamy texture.
What should I do if the sauce is too thick?
If your sauce turns out thicker than expected, don’t worry! Simply add reserved pasta cooking water, a little at a time, while stirring until you reach your desired consistency. This not only helps thin the sauce but also keeps it creamy and cohesive, giving you that velvety texture everyone loves.
Can my pets eat this sauce?
I recommend being cautious! While spinach is safe for dogs in moderation, the cream and cheeses may not be suitable for pets. It’s always best to consult with your veterinarian before sharing any human food with pets. For any allergies, always make sure to check the ingredients, especially if serving to guests who may have dietary restrictions.
What if I have a nut allergy?
Not a problem! If you or someone you’re cooking for has a nut allergy, simply skip the pistachios in the sauce. You can add a bit of hemp seeds or sunflower seeds if you’re looking for an alternative texture and flavor without the nuts. The sauce will still be creamy and delicious!

Creamy Spinach Pasta Sauce for the Perfect Weeknight Dinner
Ingredients
Equipment
Method
- Bring a large pot of salted water to a rolling boil. Add the fresh spinach and blanch for 30 seconds until it wilts and brightens. Transfer to an ice bath, cool, drain, and squeeze excess water.
- In a large skillet, heat 2 tablespoons of olive oil over medium heat. Sauté finely chopped yellow onion for 10-12 minutes until soft. Add minced garlic, cooking for another minute until fragrant.
- Bring fresh salted water to a boil in the same pot. Add tagliatelle, cooking according to package instructions (8-10 minutes). Reserve 1 cup of starchy pasta water before draining.
- In a blender, combine blanched spinach, basil, parsley, pistachios, and lemon juice. Blend until smooth, then gradually add olive oil, mascarpone cheese, sautéed onion, and garlic, blending until creamy. Adjust consistency with reserved pasta water.
- Return drained pasta to the pot, pour creamy spinach sauce over, and toss gently to coat. Adjust thickness with remaining pasta water if necessary.
- Serve pasta in bowls, garnished with additional grated Parmigiano-Reggiano, fresh basil, and a drizzle of olive oil. Enjoy!

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