Pin this The first time I made this sauce, I actually hovered over the blender with a spoon, dipping it in every thirty seconds to taste. Something about blending fresh spinach into pasta sauce seemed wrong somehow—too healthy, too green, too suspicious. But that first creamy, velvety spoonful completely changed my mind about what a pasta sauce could be. Now it is one of those weeknight staples I keep coming back to when I want something indulgent that still feels nourishing.
I served this to my brother once without mentioning what was in it. He polished off his bowl, leaned back, and said this was the best alfredo he had ever had. When I told him it was spinach and walnuts, he actually laughed out loud. Now he requests it whenever he visits, and I have learned never to underestimate how satisfying something so simple can be.
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Ingredients
- 350 g dried pasta: Choose something that will hold onto sauce well, like penne or spaghetti
- 120 g raw walnuts: Toasting these first brings out a rich, nutty depth that makes all the difference
- 120 g fresh baby spinach: Pack it down tightly to measure, it wilts dramatically when blended
- 240 ml plant-based milk: Oat milk gives the creamiest results, but almond or soy work beautifully too
- 2 garlic cloves: Raw garlic blends into something milder and sweeter than cooked
- 2 tbsp nutritional yeast: This is what gives the sauce that savory, cheesy depth everyone notices
- 2 tbsp extra virgin olive oil: Helps the sauce emulsify into something silky and luxurious
- 2 tbsp lemon juice: Brightens everything and cuts through the richness of the nuts
- 1/2 tsp salt and 1/4 tsp black pepper: Start here, then adjust until the flavors pop
- Pinch of ground nutmeg: Optional, but it adds a subtle warmth that makes the sauce taste more complex
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Instructions
- Boil the pasta:
- Bring a large pot of salted water to a boil and cook pasta until al dente, then reserve 120 ml of the cooking water before draining
- Toast the walnuts:
- Heat them in a dry skillet over medium heat for 3 to 4 minutes, stirring often until fragrant and golden
- Blend the sauce:
- Combine the toasted walnuts, spinach, plant-based milk, garlic, nutritional yeast, olive oil, lemon juice, salt, pepper, and nutmeg in a blender and process until completely smooth
- Taste and adjust:
- Add more salt if needed, more milk for thinning, or extra nutritional yeast for more cheesiness
- Combine everything:
- Return the drained pasta to the pot, pour the sauce over, and toss to coat, adding the reserved pasta water as needed for a silky consistency
- Serve it up:
- Plate immediately with extra chopped walnuts, black pepper, and lemon zest if you like
Pin this This became one of those recipes I make when I need to feed people fast but still want them to feel cared for. Something about the vibrant green color and rich texture makes it feel special, even on a random Tuesday.
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Make It Your Own
Sautéed mushrooms stirred in at the end add a meaty texture and earthy flavor that pairs beautifully with the walnuts. Grilled tofu or white beans work too if you want to bump up the protein. I have even tossed in roasted cherry tomatoes when they are in season.
Swap the Nuts
Cashews make an incredibly creamy sauce, while almonds give it a slightly lighter texture. If someone has a tree nut allergy, sunflower seeds can work in a pinch, though the flavor will be different.
Serving Ideas
A crisp white wine like Pinot Grigio cuts through the richness perfectly. A simple side salad with a bright vinaigrette keeps the meal feeling balanced. Sometimes I just serve it with good crusty bread to soak up every last bit of sauce.
- Gluten-free pasta works seamlessly here if needed
- The sauce keeps well in the fridge for a couple of days
- Reheat gently with a splash of water to bring back the creamy texture
Pin this Hope this becomes one of those recipes you turn to again and again, simple enough for weeknights but special enough to share.
Recipe FAQs
- → Can I use frozen spinach instead of fresh?
Yes, frozen spinach works well. Thaw and squeeze out excess moisture before blending to avoid a watery sauce. You may need slightly less plant-based milk.
- → What can I substitute for walnuts?
Cashews or almonds are excellent alternatives with similar creamy results. Raw cashews create an especially luxurious texture. Adjust quantities based on your preference.
- → How do I store leftover pasta?
Store in an airtight container in the refrigerator for up to 3 days. Reheat gently on the stovetop with a splash of plant-based milk to restore creaminess.
- → Is this pasta gluten-free?
The sauce is naturally gluten-free. Use gluten-free pasta to make the entire dish gluten-free. Always verify labels for cross-contamination if you have celiac disease.
- → How can I make the sauce creamier?
Add more nutritional yeast for extra richness, or blend in extra plant-based milk. You can also use raw cashews instead of walnuts for an ultra-creamy sauce.
- → What wine pairs with this dish?
A crisp white wine like Pinot Grigio complements the fresh spinach and lemon flavors beautifully. The acidity cuts through the richness of the walnut sauce.
