Creamy Sunflower Seed Pesto Pasta

Featured in: Weeknight Dinners

This creamy sunflower seed pesto pasta combines toasted sunflower seeds, fresh basil, garlic, and Parmesan into a luxurious sauce that coats warm pasta beautifully. Simply toast the seeds, blend them with basil and aromatics, toss with hot pasta and cream, and finish with reserved pasta water for silky consistency. The entire dish comes together in just 30 minutes, making it perfect for weeknight dinners. Easily customizable for dietary preferences—swap Parmesan for nutritional yeast and use plant-based cream for a vegan version. Pairs wonderfully with crisp white wine and optional roasted vegetables for added depth.

Updated on Tue, 20 Jan 2026 10:25:00 GMT
A bowl of creamy sunflower seed pesto pasta tossed with fresh basil and melted Parmesan cheese.  Save
A bowl of creamy sunflower seed pesto pasta tossed with fresh basil and melted Parmesan cheese. | circuitdish.com

The idea came to me during one of those grocery store moments where pine nuts were priced like they were made of gold. I stood there staring at the shelf, muttered absolutely not, and grabbed a bag of sunflower seeds instead. That slightly rebellious decision turned into something our family now requests more than the original version.

Last Tuesday my friend Sarah came over still wearing her work clothes, completely exhausted. I made this exact dish and watched her shoulders actually drop as she took the first bite. She messaged me the next day saying she dreamed about it. Sometimes food is just the hug someone didnt know they needed.

Ingredients

  • 1 cup unsalted sunflower seeds: The star of the show and they cost about a quarter of what pine nuts do
  • 2 cups fresh basil leaves packed: Dont be shy about packing it down tight
  • 2 cloves garlic: Fresh is best here
  • 1/2 cup grated Parmesan cheese: The salty umami base
  • 1/2 cup extra virgin olive oil: Use the good stuff if you have it
  • 1/4 cup water plus more as needed: The secret to getting it smooth without adding more oil
  • 2 tablespoons lemon juice: Brightens everything up
  • 1/4 teaspoon salt: Adjust this to your taste
  • 1/4 teaspoon black pepper: Fresh ground if possible
  • 400 g 14 oz dried pasta: Whatever shape catches your eye
  • Salt for pasta water: Make it taste like the ocean
  • 1/2 cup heavy cream or unsweetened plant-based cream: This is what makes it feel luxurious

Instructions

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Get your pasta water going:
Bring a large pot of salted water to a boil and cook pasta until al dente then save 1/2 cup pasta water before draining
Toast the sunflower seeds:
Cook them in a dry skillet over medium heat for 3 to 4 minutes until they smell amazing and turn golden then let them cool a bit
Make the pesto base:
Combine toasted seeds basil garlic Parmesan olive oil lemon juice salt and pepper in a food processor and pulse until you have a coarse paste
Blend it smooth:
Add water and blend until its creamy adding more water if it looks too thick
Bring it all together:
Put the drained pasta back in the pot over low heat and toss with pesto and cream adding pasta water until it coats perfectly
Final check:
Taste it and adjust with more salt pepper or lemon juice then serve right away
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Quickly chop vegetables, blend sauces, and prepare dips or dressings for fast, everyday meal prep.
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A close-up of creamy sunflower seed pesto pasta with toasted seeds and a sprinkle of extra Parmesan.  Save
A close-up of creamy sunflower seed pesto pasta with toasted seeds and a sprinkle of extra Parmesan. | circuitdish.com

This pasta has become our default for nights when we want something comforting but not heavy. There is something about the combination of creamy and bright that just works.

Making It Your Own

Ive learned that some sunflower seeds can taste a bit raw no matter how long you toast them. If your first batch seems a little bitter try buying from a different brand or store. The quality of seeds really does show up in the final flavor.

Timing Is Everything

The pesto comes together so fast that I always make it while the pasta water is coming to a boil. Do not wait until the pasta is already done or you will be eating lukewarm noodles.

Serving Suggestions

This dish stands on its own but sometimes I add steamed broccoli or roasted cherry tomatoes for color. A simple green salad with a bright vinaigrette cuts through the creaminess perfectly.

  • Extra Parmesan on top is never a bad idea
  • A glass of crisp white wine makes it feel like a restaurant meal
  • Leftovers reheat surprisingly well with a splash of water
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Steaming bowl of sunflower seed pesto pasta, a vibrant green sauce clinging to every strand. Save
Steaming bowl of sunflower seed pesto pasta, a vibrant green sauce clinging to every strand. | circuitdish.com

Sometimes the cheapest ingredient swap turns out to be the best thing that ever happened to your cooking.

Recipe FAQs

Can I make the pesto ahead of time?

Yes, prepare the pesto up to 2 days in advance and store it in an airtight container in the refrigerator. When ready to use, gently warm it with the pasta and cream, adding pasta water as needed to reach desired consistency.

What if I don't have heavy cream?

You can substitute with unsweetened plant-based cream, Greek yogurt, or even a splash of whole milk blended with butter. Each option creates a slightly different texture while maintaining the creamy quality of the dish.

How do I keep the pesto from becoming brown?

Toasting the sunflower seeds briefly over medium heat enhances their flavor without darkening them. Work quickly when blending to avoid heat buildup, and add the pesto to warm pasta immediately to preserve its vibrant color.

Can I use raw sunflower seeds instead of toasting?

While you can use raw seeds, toasting them for 3-4 minutes deepens their nutty flavor and makes them blend more smoothly into a creamy sauce. This extra step significantly enhances the final dish.

What pasta shapes work best with this pesto?

Spaghetti, penne, and fusilli all work beautifully. Choose shapes that trap and hold the creamy sauce well. Wider ribbons like fettuccine or pappardelle also coat nicely with this luxurious pesto.

How do I adjust the sauce thickness?

Reserve pasta water before draining—it contains starch that creates silky sauce. Add it gradually while tossing the pasta with pesto and cream until you reach your preferred consistency. Start with small amounts and build up.

Creamy Sunflower Seed Pesto Pasta

A vibrant and creamy pasta dish featuring homemade sunflower seed pesto with fresh basil and garlic. Ready in 30 minutes.

Prep Time
15 minutes
Time to Cook
15 minutes
Total Duration
30 minutes
Created by Luke Morris


Skill Level Easy

Cuisine Italian-Inspired

Portions 4 Serves

Diet Preferences Meat-Free

What You'll Need

Pesto

01 1 cup unsalted sunflower seeds
02 2 cups fresh basil leaves, packed
03 2 cloves garlic, minced
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 fresh lemon juice
08 1/4 teaspoon salt
09 1/4 teaspoon black pepper

Pasta

01 14 oz dried pasta such as spaghetti, penne, or fusilli
02 Salt for pasta water

Creaminess

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

How To Make It

Step 01

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

Step 02

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

Step 03

Prepare pesto base: In a food processor, combine toasted sunflower seeds, basil, garlic, Parmesan, olive oil, lemon juice, salt, and pepper. Pulse until a coarse paste forms, scraping down the sides as needed.

Step 04

Blend pesto: Add water and blend until smooth and creamy. Adjust consistency by adding more water if needed to reach desired texture.

Step 05

Combine and finish: Return drained pasta to the pot over low heat. Add pesto and cream, tossing to coat evenly. Gradually add reserved pasta water a little at a time until sauce reaches desired consistency. Taste and adjust seasoning with salt, pepper, or lemon juice as needed. Serve immediately, garnished with extra Parmesan and fresh basil if desired.

Gear Needed

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

Allergy Details

Always review every item for possible allergens. Ask your doctor if unsure.
  • Contains dairy from Parmesan cheese and cream; substitute with nutritional yeast and plant-based cream for dairy-free version
  • Contains sunflower seeds
  • May contain gluten from pasta; use certified gluten-free pasta if required

Nutrition per Serving

Details are for reference only and don't take the place of professional guidance.
  • Caloric Content: 560
  • Fats: 30 g
  • Carbohydrates: 58 g
  • Proteins: 15 g