Creamy Sunflower Seed Pesto Pasta

Featured in: Rustic Oven Plates & Loaves

This Italian-inspired pasta combines al dente pasta with a luscious sunflower seed pesto made from toasted seeds, fresh basil, garlic, and Parmesan, enriched with heavy cream for a silky sauce. Toast the sunflower seeds first to unlock their nutty flavor, then blend them into a coarse paste before thinning to your preferred consistency. The dish comes together quickly—just 30 minutes from start to table—making it ideal for busy weeknights while remaining elegant enough for entertaining.

Updated on Tue, 20 Jan 2026 09:57:00 GMT
A close-up of Creamy Sunflower Seed Pesto Pasta twirled on a fork, glistening with vibrant green sauce and fresh basil leaves. Save
A close-up of Creamy Sunflower Seed Pesto Pasta twirled on a fork, glistening with vibrant green sauce and fresh basil leaves. | rosewoodcrumb.com

The sunflower seed revelation happened during one of those weeks when pine nuts felt outrageously expensive and I was determined pesto could still happen. My grandmother always said necessity drives the best kitchen experiments, and she was absolutely right. Now this sunflower version has completely taken over my pasta rotation, even when pine nuts are sitting right there in the pantry.

Last Tuesday my roommate walked in mid sauce making and immediately asked what smelled so incredible. The whole apartment was filled with this toasted seed fragrance that somehow felt cozy and sophisticated at the same time. We ended up eating straight from the pot while standing at the counter because waiting for plates felt impossible.

Ingredients

  • 1 cup unsalted sunflower seeds: These humble seeds transform into something magical when given the chance to shine, creating that signature pesto creaminess without the premium price tag
  • 2 cups fresh basil leaves: Grab the biggest bunch you can find because this herb is the heart and soul of the entire dish
  • 2 cloves garlic: Fresh garlic makes all the difference here, so avoid the pre minced stuff
  • 1/2 cup grated Parmesan cheese: The salty umami punch that ties everything together beautifully
  • 1/2 cup extra virgin olive oil: Good quality olive oil is worth every penny for pesto
  • 1/4 cup water: This little trick helps achieve that perfectly spreadable consistency without adding more oil
  • 2 tablespoons lemon juice: Brightens everything up and keeps that vibrant green color from dulling
  • 1/4 teaspoon salt: Adjust to your taste, but remember the Parmesan is already bringing salt to the party
  • 1/4 teaspoon black pepper: Freshly cracked makes the biggest impact here
  • 400 g dried pasta: Whatever shape catches your eye, though fusilli holds onto sauce particularly well
  • Salt for pasta water: Make it taste like the ocean, seriously
  • 1/2 cup heavy cream: The secret ingredient that makes this feel luxurious and restaurant worthy

Instructions

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Get your pasta water going first:
Bring a large pot of salted water to a rolling boil while you prep everything else
Toast those sunflower seeds:
Heat a dry skillet over medium heat and toss in the seeds for 3 to 4 minutes until they are golden and smell absolutely incredible
Blend up your pesto magic:
Combine toasted seeds, basil, garlic, Parmesan, olive oil, lemon juice, salt, and pepper in your food processor and pulse until you have a coarse paste
Add the water:
Pour in the water while the processor is running and watch it transform into this gorgeous smooth sauce
Cook the pasta perfectly:
Drop your pasta into the boiling water and cook until al dente, then remember to reserve that precious 1/2 cup of pasta water before draining
Bring it all together:
Return the drained pasta to the pot over low heat, add the pesto and cream, and toss until every strand is coated and gorgeous
Adjust and serve immediately:
Add a splash of that reserved pasta water if needed, taste for seasoning, and serve while steaming hot
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Dries dishes, utensils, and cookware neatly after cooking, keeping your countertop organized and clutter free.
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Creamy Sunflower Seed Pesto Pasta served in a rustic white bowl, garnished with shaved Parmesan and a lemon wedge for zest. Save
Creamy Sunflower Seed Pesto Pasta served in a rustic white bowl, garnished with shaved Parmesan and a lemon wedge for zest. | rosewoodcrumb.com

My sister claimed she hated pesto until I made this version for her during a casual weeknight dinner. She texted me the next day asking for the recipe and has now made it three times this week, which I consider the highest possible compliment.

Making It Your Own

Spinach works beautifully blended with the basil if you want to boost the greens or stretch your basil supply. Sometimes I throw in a handful of parsley for extra brightness.

Storage Wisdom

The pesto keeps beautifully in the fridge for about a week, though the vibrant green will deepen to a more forest shade. Press a piece of plastic wrap directly onto the surface to prevent oxidation.

Serving Ideas

This pasta stands on its own perfectly, but a simple green salad with lemon vinaigrette makes for a complete meal. Crusty bread is never a bad idea for any sauce left on the plate.

  • Dredge each serving with extra Parmesan and fresh basil leaves
  • A crack of fresh black pepper right before serving elevates everything
  • Consider adding roasted cherry tomatoes for pops of sweetness and color
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A skillet of warm Creamy Sunflower Seed Pesto Pasta topped with toasted sunflower seeds, ready for a vegetarian weeknight dinner. Save
A skillet of warm Creamy Sunflower Seed Pesto Pasta topped with toasted sunflower seeds, ready for a vegetarian weeknight dinner. | rosewoodcrumb.com

There is something deeply satisfying about transforming such simple ingredients into something that feels special and comforting. This recipe has become my go to for everything from quick weeknight dinners to feeding unexpected guests.

Recipe FAQs

Why toast the sunflower seeds before blending?

Toasting the sunflower seeds for 3–4 minutes over medium heat brings out their natural nutty flavor and enhances the overall depth of the pesto. It takes just minutes but significantly improves the taste profile of your finished dish.

Can I make this dairy-free?

Absolutely. Replace the Parmesan cheese with nutritional yeast for a cheesy, umami flavor, and use unsweetened plant-based cream instead of heavy cream. The pesto will be equally delicious and fully vegan-friendly.

How do I get the right pesto consistency?

Start by pulsing the seeds, herbs, and cheese until a coarse paste forms, then gradually add water while blending until smooth and creamy. You control the thickness by adjusting the water amount—add more for a thinner sauce or less for a thicker consistency.

What type of pasta works best?

Any pasta shape works, but spaghetti, penne, or fusilli are classic choices. Pick based on your preference—long strands are elegant, while tubes and spirals trap the creamy sauce beautifully.

Can I add vegetables to this dish?

Yes, cooked peas, fresh spinach, or roasted cherry tomatoes blend wonderfully into this pasta. Stir them in during the final tossing stage for added nutrition, texture, and visual appeal.

How should I store leftovers?

Store leftover pasta in an airtight container in the refrigerator for up to 3 days. Reheat gently over low heat with a splash of pasta water or cream to restore the sauce's silky texture.

Creamy Sunflower Seed Pesto Pasta

A vibrant, creamy pasta dish featuring sunflower seed pesto with fresh basil and garlic. Ready in 30 minutes, perfect for weeknight dinners.

Prep Time
15 minutes
Time to Cook
15 minutes
Total Duration
30 minutes
Recipe by Miles Porter


Skill Level Easy

Cuisine Italian-Inspired

Makes 4 Number of Servings

Diet Preferences Vegetarian Option

What You Need

Pesto

01 1 cup unsalted sunflower seeds
02 2 cups fresh basil leaves, packed
03 2 cloves garlic
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 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

Prepare 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 of pasta cooking 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

Blend 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

Achieve Creamy Consistency: Add water and blend until the mixture reaches a smooth and creamy texture. Adjust consistency with additional water if needed.

Step 05

Combine and Finish: Return drained pasta to the pot over low heat. Add pesto and cream, tossing gently to coat all pasta. Gradually add reserved pasta water in small amounts until the sauce reaches your desired consistency.

Step 06

Season and Serve: Taste and adjust seasoning with salt, pepper, or lemon juice as needed. Serve immediately, garnished with extra Parmesan and fresh basil if desired.

Tools Needed

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

Allergy Details

Go through every item to spot any allergens. Not sure? Check with your health expert.
  • Contains dairy from Parmesan cheese and cream. Use nutritional yeast and plant-based cream for dairy-free preparation
  • Contains sunflower seeds
  • May contain gluten from pasta. Use gluten-free pasta if required

Nutrition Info (per serving)

For reference only. Always check with your doctor for health advice.
  • Caloric Value: 560
  • Fats: 30 g
  • Carbohydrates: 58 g
  • Proteins: 15 g