5-Minute Creamy Pesto Sauce
This creamy pesto sauce comes together in just 5 minutes with fresh basil, Parmesan, and a splash of heavy cream. Toss it with pasta and you have a dinner that tastes like a slow Italian meal but moves fast enough for a Tuesday.
No special equipment, no long ingredient list. Just a blender and a handful of staples you can grab on the way home.
Why I Keep This Creamy Pesto on Repeat
The sauce is bright from the basil, sharp from Parmesan, and rich without being heavy because the cream rounds everything out instead of weighing it down. The texture is silky and coats pasta in a pale green layer that still looks homemade, not slicked on.
I love that it lives in that sweet spot where it feels a little fancy and still totally doable. It’s the answer when I want dinner on the table fast but refuse to open a jar.
Ingredients
- 2 cups packed fresh basil leaves: use sweet Italian basil for the cleanest flavor.
- ⅓ cup pine nuts: walnuts work well here too.
- 2 garlic cloves, peeled: start with 1 clove if you prefer a gentler garlic taste.
- ½ cup finely grated Parmesan cheese: freshly grated melts into the sauce best.
- ⅓ cup extra-virgin olive oil: a good fruity oil makes a difference.
- ¼ cup heavy cream: for creaminess; half-and-half works for a lighter sauce.
- 1 tablespoon lemon juice: brightens and keeps the basil green.
- ½ teaspoon salt: fine sea salt, plus more for the pasta water.
- ¼ teaspoon black pepper: freshly ground.
- 1 lb dried pasta (like linguine or penne): to serve the sauce with.
Variations / Substitutions
- Nut-free: use sunflower seeds instead of pine nuts, or omit nuts entirely for a thinner sauce.
- Dairy-free: swap Parmesan for 2 tablespoons nutritional yeast and use full-fat canned coconut milk or cashew cream in place of heavy cream.
- Extra greens: blend a handful of spinach or arugula into the basil for a peppery note.
- Spicy kick: add a pinch of red pepper flakes when blending.
- Protein boost: stir shredded cooked chicken or crumbled crispy bacon through the pasta at the end.
- For a chunky, traditional pesto without cream, try our Classic Basil Pesto.
How To Make Creamy Pesto Sauce
Step 1: Blend the Pesto Base
Set a large pot of well-salted water on the stove to boil for the pasta. While the water heats, put the 2 cups basil, ⅓ cup pine nuts, garlic, ½ cup Parmesan, salt, and pepper into a food processor or blender. Pulse a few times to break it all down, then, with the motor running, drizzle in the ⅓ cup olive oil. Blend until the mixture is almost smooth, about 30 seconds. You will have a vibrant green, slightly grainy paste ready for the cream.
Step 2: Stir in the Cream
Scrape down the sides of the blender, then add the ¼ cup heavy cream and 1 tablespoon lemon juice. Pulse again until the sauce turns silky and evenly pale green, about 10 seconds. It should coat the back of a spoon and smell deeply of basil and garlic. Do not over-blend or the cream may stiffen and the sauce will become too thick.
Step 3: Toss with Pasta and Serve
When the pasta is al dente, reserve 1 cup of the starchy cooking water, then drain. Return the pasta to the pot over low heat and pour in the creamy pesto. Toss everything for 1 to 2 minutes, adding splashes of the reserved water until the sauce clings to each noodle in a glossy coat. Serve right away with an extra snowfall of Parmesan on top.
A Few Tips for Smooth, Creamy Pesto
- Use room-temperature cream: straight from the carton. Cold cream can seize when it hits the warm blender and leave you with an uneven texture.
- Don’t over-blend at the cream stage.: Pulse just until the sauce comes together, or it may become so thick it resembles a spread instead of a sauce for pasta.
- Toast the pine nuts first.: Put them in a dry skillet over medium heat for 2 to 3 minutes until fragrant; this deepens their flavor in a way that raw nuts miss.
- Want an even richer sauce?: Use 4 ounces softened cream cheese instead of heavy cream. It makes the pesto extra velvety and a little tangy.
Scale the sauce to your crowd:
| Serves | Basil (packed cups) | Pine Nuts | Parmesan (grated) | Heavy Cream |
|---|---|---|---|---|
| 2 | 1 cup | 3 tbsp | ¼ cup | 2 tbsp |
| 4 | 2 cups | ⅓ cup | ½ cup | ¼ cup |
| 8 | 4 cups | ⅔ cup | 1 cup | ½ cup |
Storing Leftovers
- Refrigerate: store the sauce separately from the pasta in an airtight container for up to 5 days. Press plastic wrap directly onto the surface to keep the basil from browning.
- Reheating: gently rewarm the sauce in a pan with a splash of milk or water, stirring often. Toss with reheated pasta after.
- Freeze: pour the sauce into an ice cube tray and freeze until solid. Pop the cubes into a freezer bag and freeze for up to 3 months; thaw in the refrigerator overnight.
What To Serve With Creamy Pesto Pasta
The pasta is satisfying on its own, but a simple side turns it into a fuller meal. A handful of peppery arugula dressed with lemon and olive oil cuts through the richness beautifully. Roasted cherry tomatoes are another favorite, their juicy sweetness playing off the herby sauce. Or just put out a crusty loaf of bread to catch every last drop.
Frequently Asked Questions
Can I make this without a food processor?
Yes, a standard blender works fine, though you may need to stop and scrape the sides more often. A mortar and pestle gives a rustic, chunky pesto.
Can I use frozen basil?
Frozen basil can be used, but the flavor is less bright. If you go that route, add an extra squeeze of lemon and a tiny pinch of sugar to bring some life back.
What if my sauce is too thick?
Thin it with a tablespoon of pasta water, milk, or more cream until it reaches the consistency you like. Stir it in a little at a time.
Can I use this sauce on chicken or vegetables?
Absolutely. It’s delicious drizzled over grilled chicken, spooned onto roasted vegetables, or even spread on a toasted sandwich.
Creamy Pesto Sauce Recipe
Ingredients
Method
- Set a large pot of salted water to boil. Combine basil, pine nuts, garlic, Parmesan, salt, and pepper in a blender. Pulse, then drizzle in olive oil with the motor running and blend until almost smooth, about 30 seconds.
- Scrape the sides, add heavy cream and lemon juice, and pulse until silky, about 10 seconds. Do not over-blend.
- Cook pasta al dente, reserve 1 cup starchy water, then drain. Return pasta to low heat, add pesto, and toss 1 to 2 minutes with splashes of reserved water until glossy. Serve hot with extra Parmesan.
