Creamy Sunflower Seed Pesto Pasta

Featured in: Comfort Treat Classics

This creamy sunflower seed pesto pasta combines toasted sunflower seeds, fresh basil, and garlic into a smooth, luxurious sauce that coats warm pasta beautifully. Ready in just 30 minutes, it's a vegetarian main dish that's both budget-friendly and restaurant-quality.

Toast the sunflower seeds until golden, blend them with basil, garlic, Parmesan, olive oil, and lemon juice into a coarse paste, then smooth it out with water. Toss the pesto and cream with al dente pasta, adjusting the consistency with reserved pasta water. Perfect for weeknight dinners or entertaining guests.

Updated on Wed, 21 Jan 2026 15:48:00 GMT
Creamy Sunflower Seed Pesto Pasta is twirled onto a fork, showcasing a rich, vibrant green sauce clinging to the noodles. Save to Pinterest
Creamy Sunflower Seed Pesto Pasta is twirled onto a fork, showcasing a rich, vibrant green sauce clinging to the noodles. | sweetaksil.com

I stumbled onto sunflower seed pesto during one of those weeks when pine nuts felt impossibly expensive and my grocery budget was stretched thin. The first time I toasted those seeds in my skillet, the kitchen filled with this warm, nutty aroma that actually made me forget all about traditional pine nuts. Now I honestly prefer this version, and my wallet definitely agrees.

Last Tuesday my roommate walked in mid simmer and asked what smelled so incredible, then proceeded to eat three bowls straight from the pot. That is when I knew this budget friendly recipe had officially become a household staple.

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Ingredients

  • Unsalted sunflower seeds: Toasting these unlocks a rich, buttery flavor that forms the backbone of the whole sauce
  • Fresh basil leaves: Pack them down tightly to get enough of that bright, peppery sweetness that makes pesto sing
  • Garlic cloves: Fresh garlic gives you that immediate punch, unlike garlic powder which sits flat in the background
  • Grated Parmesan cheese: This brings the umami depth and salty richness that ties everything together beautifully
  • Extra virgin olive oil: Use good quality oil here since it carries all the flavors and creates that luxurious mouthfeel
  • Water: The secret ingredient that transforms a thick paste into a silky, pourable sauce without diluting the flavor
  • Lemon juice: A crucial burst of acidity that cuts through the richness and wakes up your palate
  • Dried pasta: Pick something with nooks and crannies like fusilli or penne to grab onto every drop of sauce
  • Heavy cream: This is what turns a regular pesto pasta into something restaurant quality and incredibly comforting

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Instructions

Get your pasta water going:
Set a large pot of salted water over high heat and bring it to a rolling boil, then drop in your pasta and cook until it is just tender with a slight bite to it
Toast the seeds while waiting:
Toss the sunflower seeds into a dry skillet over medium heat, stirring frequently for 3 to 4 minutes until they turn golden brown and smell incredibly nutty
Build the pesto base:
Throw the toasted seeds, basil, garlic, Parmesan, olive oil, lemon juice, salt, and pepper into your food processor and pulse until everything starts coming together into a rough paste
Smooth it out:
Pour in the water and blend until the mixture transforms into a creamy, vibrant green sauce, adding more water if it feels too thick to coat pasta easily
Bring it all together:
Return your drained pasta to the warm pot, stir in the pesto and cream, then add splashes of the reserved pasta water until the sauce clings to each strand perfectly
A warm plate of Creamy Sunflower Seed Pesto Pasta topped with extra Parmesan and fresh basil leaves, ready to eat. Save to Pinterest
A warm plate of Creamy Sunflower Seed Pesto Pasta topped with extra Parmesan and fresh basil leaves, ready to eat. | sweetaksil.com

My grandmother always said the simplest dishes reveal themselves in the details, and this pasta has proven her right countless times in my tiny kitchen.

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Making It Your Own

Keep the core technique but play with the add ins depending on what is in your crisper drawer or what sounds good that day.

Serving Suggestions

This pasta works beautifully alongside a crisp green salad with a sharp vinaigrette to cut through the richness.

Storage And Meal Prep

The pesto keeps beautifully in the fridge for up to a week, so I often make double and use the rest throughout the week for quick lunches or spread on sandwiches.

  • Store extra pesto in a small jar and top with a thin layer of olive oil to prevent browning
  • The pasta absorbs sauce as it sits, so have a little extra pasta water or cream on hand when reheating leftovers
  • This dish actually tastes better the next day as the flavors meld together overnight
Overhead view of Creamy Sunflower Seed Pesto Pasta in a white bowl, featuring a creamy, bright green pesto coating every noodle. Save to Pinterest
Overhead view of Creamy Sunflower Seed Pesto Pasta in a white bowl, featuring a creamy, bright green pesto coating every noodle. | sweetaksil.com

Sometimes the most unexpected discoveries become the recipes we reach for again and again.

Recipe Questions & Answers

โ†’ Can I make this pesto ahead of time?

Yes, the sunflower seed pesto can be made up to 3 days in advance and stored in an airtight container in the refrigerator. Store it with a thin layer of olive oil on top to prevent oxidation. Combine with cream and pasta just before serving.

โ†’ What pasta shapes work best?

Any pasta shape works well, but spaghetti, penne, and fusilli are ideal as they hold the creamy pesto sauce beautifully. Medium-sized shapes like rigatoni or farfalle are also excellent choices.

โ†’ How do I make this dairy-free?

Replace Parmesan cheese with nutritional yeast and use unsweetened plant-based cream instead of heavy cream. The pesto will still be creamy and flavorful with these simple substitutions.

โ†’ Why toast the sunflower seeds?

Toasting sunflower seeds brings out their natural nutty flavor and makes them more digestible. It takes just 3-4 minutes and significantly enhances the depth and richness of the finished pesto.

โ†’ Can I add vegetables to this dish?

Absolutely. Cooked peas, fresh spinach, roasted cherry tomatoes, or blanched broccoli are wonderful additions. Toss them in during the final step with the pasta and sauce for extra nutrition and flavor.

โ†’ What wine pairs well with this pasta?

A crisp white wine like Sauvignon Blanc complements the fresh basil and creamy pesto beautifully. Other good options include Pinot Grigio or Vermentino for a light, refreshing pairing.

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Creamy Sunflower Seed Pesto Pasta

Vibrant pesto made with sunflower seeds, basil, and garlic creates a creamy, comforting pasta dish that's budget-friendly and vegetarian.

Prep Time
15 minutes
Time to Cook
15 minutes
Total Duration
30 minutes
Recipe by Isaac Russell


Skill Level Easy

Cuisine Italian-Inspired

Portions 4 Serving Size

Diet Preferences Meatless

Ingredient List

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

Directions

Step 01

Boil 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.

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. 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 sides as needed.

Step 04

Blend to smoothness: Add water and blend until smooth and creamy. Adjust consistency with additional water as needed.

Step 05

Combine pasta and sauce: Return drained pasta to the pot over low heat. Add pesto and cream, tossing to coat. Add reserved pasta water a little at a time until the sauce reaches your desired consistency.

Step 06

Finish 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.

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Tools Needed

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

Allergy Details

Review every ingredient for allergens and talk to a healthcare provider if unsure.
  • Contains dairy from Parmesan and cream; substitute with nutritional yeast and plant-based cream for dairy-free preparation
  • Contains tree nuts and seeds from sunflower
  • May contain gluten from pasta; select gluten-free pasta alternatives if required
  • Always verify ingredient labels for undisclosed allergens

Nutrition Details (each serving)

For informational purposes only, not intended as medical advice.
  • Caloric Value: 560
  • Fats: 30 g
  • Carbohydrates: 58 g
  • Proteins: 15 g

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