Creamy Sunflower Seed Pesto

Featured in: Supper Club Comforts

This creamy pasta features a vibrant pesto made from toasted sunflower seeds blended with fresh basil, garlic, Parmesan, olive oil, and lemon juice. Paired with cooked pasta and a splash of cream, the sauce delivers a smooth, rich coating with a bright herbaceous note. The method includes toasting seeds for added depth and adjusting sauce consistency with reserved pasta water. Enjoy this easy, satisfying meal with optional garnishes like extra Parmesan or fresh basil leaves.

Updated on Mon, 12 Jan 2026 11:32:00 GMT
Creamy Sunflower Seed Pesto Pasta served, with vibrant green pesto clinging to the warm pasta. Save to Pinterest
Creamy Sunflower Seed Pesto Pasta served, with vibrant green pesto clinging to the warm pasta. | buddybiteskitchen.com

I stumbled onto this sauce during one of those paycheck-to-paycheck weeks when pine nuts felt like a luxury item. The sunflower seeds toasted up so beautifully in my little cast iron skillet, sending this nutty perfume through my whole apartment. My roommate poked her head in, convinced I was making something elaborate and expensive. That was the moment I realized budget cooking could taste just as decadent as the fancy stuff.

Last summer I made this for a dinner party when two guests announced they were avoiding pine nuts due to allergies. Everyone went quiet for a second after the first bite, then started asking what made the sauce taste so creamy and bright. Now it is the pesto I actually prefer over traditional versions, something about the sunflower seeds having this subtle sweetness that plays so nicely with the basil.

Ingredients

  • 1 cup unsalted sunflower seeds: These little seeds toast up golden and give the pesto its signature nutty foundation without breaking the bank
  • 2 cups fresh basil leaves: Pack those cups down tightly, you want that fragrant punch to really shine through
  • 2 cloves garlic: Fresh is nonnegotiable here, it cuts through the richness and keeps things bright
  • 1/2 cup grated Parmesan cheese: Use the good stuff you grate yourself, it melts into the sauce so much better
  • 1/2 cup extra virgin olive oil: This creates that luscious mouthfeel you want in a pesto
  • 1/4 cup water plus more as needed: The secret trick for getting that perfectly spreadable consistency without using tons of oil
  • 2 tablespoons lemon juice: Adds just enough acid to make all the flavors pop
  • 1/4 teaspoon salt: Start here and adjust, the sunflower seeds are naturally mild so do not be afraid of seasoning
  • 1/4 teaspoon black pepper: Freshly cracked gives you those little spicy bites throughout
  • 400 g dried pasta: Whatever shape you love, something with ridges holds onto the sauce beautifully
  • Salt for pasta water: Make it taste like the ocean, this is your only chance to season the pasta itself
  • 1/2 cup heavy cream or plant-based cream: This is what transforms it into something truly luxurious and restaurant worthy

Instructions

Get your pasta water going first:
Bring a large pot of salted water to a boil while you prep everything else, you want it ready when the pesto is done
Toast the sunflower seeds:
Heat a dry skillet over medium heat and toast the seeds for 3 to 4 minutes, shaking the pan occasionally until they turn golden brown and smell incredible
Blend up your pesto base:
Combine the toasted sunflower seeds, basil, garlic, Parmesan, olive oil, lemon juice, salt, and pepper in your food processor, pulsing until you have a coarse paste
Perfect the consistency:
Add the water and blend until completely smooth, adding more water a tablespoon at a time until it reaches that gorgeous saucy texture
Bring it all together:
Cook your pasta until al dente, reserve that precious pasta water, then return the pasta to the pot and toss with the pesto and cream over low heat
Make it sing:
Use that reserved pasta water to loosen the sauce until it coats every strand perfectly, then taste and adjust with more salt, pepper, or lemon juice as needed
A visually appealing bowl of Creamy Sunflower Seed Pesto Pasta, garnished with fresh basil leaves. Save to Pinterest
A visually appealing bowl of Creamy Sunflower Seed Pesto Pasta, garnished with fresh basil leaves. | buddybiteskitchen.com

This pasta became my go-to comfort food during a particularly stressful month when cooking felt like just another chore. Something about tossing those warm noodles with that vibrant green sauce, watching it coat everything so perfectly, it felt like a small act of caring for myself. My sister now requests it every time she visits, calling it the one that made her actually like pesto.

Make It Your Own

I have discovered that adding a handful of baby spinach right at the end makes the sauce even more vibrant and packs in extra nutrition. Sometimes I throw in frozen peas during the last minute of pasta cooking time, they sweeten up the whole dish and add these little pops of color. When fresh basil feels out of season or too expensive, a mix of basil and flat-leaf parsley works surprisingly well.

Storage Secrets

The pesto alone keeps beautifully in the fridge for about a week, stored in a jar with a thin layer of olive oil on top to prevent browning. I like to make a double batch and freeze portions in ice cube trays, then pop them into freezer bags for those nights when even 15 minutes of prep feels like too much. Just thaw and toss with hot pasta for the quickest weeknight dinner imaginable.

Serving Suggestions

This pasta shines alongside a simple green salad dressed with nothing but olive oil and lemon. A crusty piece of garlic bread is practically mandatory for sopping up every last drop of that creamy sauce. On warm summer nights I love it with chilled white wine, but when the weather turns cold, a glass of light red wine works just as beautifully. Add some roasted vegetables on the side or fold them right into the pasta for a complete meal.

  • Grilled chicken or white beans can turn this into a protein packed dinner
  • Cherry tomatoes roasted until blistering hot make the perfect sweet contrast
  • A final dusting of extra Parmesan never hurt anyone
Close-up of the delicious Creamy Sunflower Seed Pesto Pasta, showcasing the creamy sauce's texture. Save to Pinterest
Close-up of the delicious Creamy Sunflower Seed Pesto Pasta, showcasing the creamy sauce's texture. | buddybiteskitchen.com

There is something so satisfying about turning simple ingredients into something that feels this special and comforting. This pasta has saved me on countless hectic weeknights and impressed enough dinner guests to earn a permanent spot in my regular rotation.

Common Recipe Questions

How do I toast sunflower seeds for the pesto?

Toast sunflower seeds in a dry skillet over medium heat for 3-4 minutes, stirring frequently until golden and fragrant. This enhances their flavor and adds depth to the pesto.

Can I substitute Parmesan for a dairy-free option?

Yes, nutritional yeast can be used as a savory, dairy-free alternative to Parmesan in the pesto without compromising flavor.

How should I adjust the pesto consistency?

Add water gradually while blending until you reach a creamy, smooth texture. Reserving some pasta cooking water to thin the sauce when mixing helps achieve the perfect consistency.

What types of pasta work best with this pesto?

Spaghetti, penne, or fusilli are ideal as their shapes hold the creamy pesto well, providing even coating and texture in each bite.

How can I add extra flavor or nutrition to this dish?

Incorporate cooked vegetables such as peas, spinach, or roasted cherry tomatoes for added color, taste, and nutrients.

Creamy Sunflower Seed Pesto

A creamy pasta dish with sunflower seed pesto, fresh basil, Parmesan, and a touch of lemon for bright flavor.

Prep Time
15 minutes
Cook Time
15 minutes
Total Time
30 minutes
Created By Max Buddyfield

Recipe Category Supper Club Comforts

Skill Level Easy

Cuisine Type Italian-Inspired

Recipe Yield 4 Number of Servings

Dietary Preferences Suitable for Vegetarians

What You'll Need

Pesto

01 1 cup unsalted sunflower seeds
02 2 cups fresh basil leaves, packed
03 2 garlic cloves
04 1/2 cup grated Parmesan cheese
05 1/2 cup extra virgin olive oil
06 1/4 cup water, plus more as needed
07 2 tablespoons lemon juice
08 1/4 teaspoon salt
09 1/4 teaspoon ground black pepper

Pasta

01 14 ounces dried pasta (spaghetti, penne, or fusilli)
02 Salt for pasta water

Creaminess

01 1/2 cup heavy cream or unsweetened plant-based cream

Steps to Follow

Step 01

Cook pasta: Bring a large pot of salted water to a boil. Add pasta and cook according to package directions until al dente. Reserve 1/2 cup of pasta cooking water, then drain the pasta.

Step 02

Toast sunflower seeds: While the pasta cooks, toast the sunflower seeds in a dry skillet over medium heat for 3 to 4 minutes until golden and fragrant. Allow to cool slightly.

Step 03

Prepare pesto: Combine the toasted sunflower seeds, fresh basil, garlic, Parmesan cheese, olive oil, lemon juice, salt, and black pepper in a food processor. Pulse to form a coarse paste, scraping down the sides as needed.

Step 04

Adjust pesto consistency: Add water and blend until smooth and creamy. Add more water gradually if a thinner consistency is desired.

Step 05

Combine pasta and sauce: Return the drained pasta to the pot over low heat. Stir in the pesto and cream, tossing to coat evenly. Incorporate reserved pasta water incrementally until the sauce reaches the preferred consistency.

Step 06

Season and serve: Taste and adjust seasoning with salt, black pepper, or lemon juice as needed. Serve immediately, optionally garnished with extra Parmesan cheese and fresh basil leaves.

Tools You'll Need

  • Large pot
  • Colander
  • Skillet
  • Food processor or blender
  • Measuring cups and spoons

Allergy Warnings

Review each ingredient carefully for allergens. If unsure, consult with a healthcare provider.
  • Contains dairy (Parmesan cheese, cream). Substitute for dairy-free alternatives as needed.
  • Contains sunflower seeds.
  • Contains gluten unless gluten-free pasta is used.

Nutritional Info (per serving)

These details are for general information only. Always consult a healthcare professional for dietary concerns.
  • Calorie Count: 560
  • Fat Content: 30 grams
  • Carbohydrates: 58 grams
  • Protein Content: 15 grams