Pumpkin Seed Pesto Zucchini Noodles

I discovered this combination while experimenting with what I had on hand one late summer afternoon, when my garden was overflowing with zucchini and I'd just bought a bag of pumpkin seeds on impulse. The moment I blended those seeds with fresh basil and lemon, something clicked, and I realized I'd stumbled onto something that felt both completely new and somehow inevitable. This dish has become my go-to when I want something that tastes indulgent but leaves me feeling light and energized.

My friend texted asking what I was making for lunch, showed up unannounced with her partner, and I threw this together without thinking twice, using the last of my basil and some zucchini I'd spiralized that morning. The way they both went quiet for a moment before asking for seconds told me everything, and now it's become their favorite thing I make. It's become the dish I reach for when I want to feed people something that tastes like I know what I'm doing in the kitchen.

Ingredients

• Raw pumpkin seeds (pepitas): These are the heart of the pesto, and using raw ones gives you a fresher flavor that toasted seeds can't quite match, plus they stay creamy when blended.
• Fresh basil leaves, packed: Don't skimp here, because the basil is what makes this taste alive and bright instead of flat.
• Garlic cloves: Just two cloves keep things balanced so the garlic doesn't overpower the delicate flavors of the seeds and zucchini.
• Extra-virgin olive oil: The quality matters more than you'd think, since the oil is really prominent in the finished pesto.
• Lemon juice: This is what brings everything into focus, so use fresh lemon and measure it out rather than guessing.
• Nutritional yeast: It adds a subtle umami depth that makes the pesto feel more complete without any dairy at all.
• Sea salt and freshly ground black pepper: Season gradually because you can always add more, but you can't take it back.
• Water: You'll add this gradually to get the pesto to the exact consistency you want, so don't add it all at once.
• Medium zucchini, spiralized: Spiralizing them yourself means you get noodles that are the exact thickness you prefer, and they stay fresher longer.
• Cherry tomatoes and fresh basil for garnish: These finish the dish with color and a final burst of flavor.

Instructions

Make the pesto, tasting as you go:

Combine the pumpkin seeds, basil, garlic, olive oil, lemon juice, nutritional yeast, salt, and pepper in your food processor and pulse until you reach a thick, coarse paste that still has some texture to it. Add the water one tablespoon at a time, pulsing between additions, until you reach that creamy consistency where it clings to noodles without being runny.

Spiralize your zucchini with intention:

Use a spiralizer or julienne peeler to turn your zucchini into noodles, and if you're doing this ahead, pat them dry before storing so they don't release too much water and get soggy.

Choose your temperature:

If you like your noodles raw and crisp, pat them dry and skip straight to tossing, but if you prefer them warm and slightly tender, heat a tablespoon of olive oil in a large skillet over medium heat and sauté the noodles for just two to three minutes until they're heated through but still have some body to them.

Bring everything together with confidence:

Transfer your zucchini noodles to a large bowl and toss them with the pumpkin seed pesto until every strand is coated in that vibrant green, adding a splash more water if needed to loosen things up slightly.

Plate and finish immediately:

Serve right away while everything is at the temperature you want, then scatter cherry tomatoes and fresh basil leaves on top for color and one more layer of fresh flavor.

Save

Save

I made this for myself on a Tuesday evening when I was tired and didn't want to think about cooking, but the moment I tasted it, everything shifted. There's something about the combination of bright green basil, earthiness from the seeds, and that squeeze of lemon that makes you feel like you're taking care of yourself in the best possible way.

Raw or Warmed, Your Choice

The beauty of this dish is that it works either way depending on what you're craving. If you want something refreshing and crisp, keep the zucchini noodles raw and let them play off the warm, creamy pesto. If you're in the mood for something more comforting, warming the noodles for just a few minutes brings out their natural sweetness without losing that delicate texture that makes spiralized zucchini special.

Making It Your Own

I've started thinking of this pesto as a base to build from rather than something set in stone. You can slip avocado into the food processor if you want something richer and creamier, or swap the pumpkin seeds for sunflower seeds or walnuts if that's what you have on hand. I've even tossed in chickpeas when I wanted more protein, and white beans work beautifully too, adding substance without changing the flavor profile.

Pairing and Storage Wisdom

This is the kind of dish that pairs beautifully with a crisp Sauvignon Blanc if you're in the mood to celebrate, or sparkling water with lemon if you want something refreshing. It's best served immediately while the textures are at their peak, but if you do have leftovers, the pesto keeps separately in the refrigerator for a few days and you can make fresh noodles and toss them together when you're ready to eat again.

• Store the pesto in an airtight container in the refrigerator for up to three days, and let it come to room temperature before tossing with fresh noodles.
• You can spiralize zucchini ahead of time, but pat it completely dry before storing so it doesn't weep water all over everything.
• This dish doesn't reheat well because the noodles get too soft, so plan to make it fresh each time you want it.

Save

Save

This dish has quietly become one of my favorite things to make, and I think it's because it tastes like summer and health and care all at the same time. Every time someone tries it, I watch their face and remember why I keep coming back to this simple, bright combination.

Recipe FAQs

→ Can I make the pesto ahead of time?

Yes, the pumpkin seed pesto can be prepared up to 3 days in advance and stored in an airtight container in the refrigerator. Drizzle a thin layer of olive oil on top to prevent browning.

→ How do I prevent zucchini noodles from getting watery?

Pat the spiralized zucchini thoroughly with paper towels before saucing. For best results, let the noodles sit salted for 10 minutes, then squeeze out excess moisture.

→ What can I substitute for pumpkin seeds?

Sunflower seeds, walnuts, or pine nuts work excellently as alternatives. Each brings a unique flavor profile while maintaining the creamy pesto texture.

→ Can I serve this dish warm?

Absolutely. Quickly sauté the zucchini noodles in olive oil for 2-3 minutes until just warmed through. Avoid overcooking to maintain their crisp-tender texture.

→ Is nutritional yeast necessary for the pesto?

Nutritional yeast adds a cheesy, umami flavor but can be omitted. For similar depth, consider adding a pinch more garlic or a tablespoon of miso paste.