Homemade Pesto Recipe

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This homemade pesto comes together in minutes and is one of the easiest ways to make the most of summer basil. Toss it with pasta, spread it on sandwiches, spoon it over grilled meats and vegetables, or swirl it into soups.

pesto sauce in bowl with linen napkin

Pesto, or pesto alla Genovese, is a vibrant, garlicky green sauce from Genoa, Italy. Made with fresh basil, nuts, garlic, Parmigiano-Reggiano, and olive oil, it’s one of the easiest and most versatile sauces you can make at home. While pesto is traditionally made with a mortar and pestle, a food processor makes quick work of it.

This homemade pesto recipe uses walnuts instead of the traditional pine nuts, making it more affordable without sacrificing flavor. Once everything is blended together, you’d be hard-pressed to tell the difference. I make a batch whenever basil is overflowing in the garden, and since it freezes beautifully, I always stash a few containers away for quick meals later on.

“Simply, my favorite pesto recipe!”

Kathy M

What You’ll Need To Make Pesto Sauce

pesto sauce ingredients
  • Walnuts: Traditional pesto is made with pine nuts, but I almost always reach for walnuts. They’re easier to find, much less expensive, and have a rich, buttery flavor that works beautifully.
    Almonds, pecans, and pistachios work well too. Pro tip: Toast the nuts in the oven or a dry skillet for a few minutes to deepen their flavor.
  • Garlic Cloves: Bring bold, punchy flavor that is key to the flavor of pesto.
  • Fresh Basil Leaves: Use vibrant, fragrant leaves with no dark spots. Be sure to wash and dry them thoroughly—wet basil can dilute the pesto and dull the flavor.
  • Extra Virgin Olive Oil: Binds everything together and adds smooth, fruity richness. Use one you enjoy the flavor of since it’s a major component of the sauce.
  • Grated Parmigiano-Reggiano: Adds salty, nutty flavor. Always use authentic Parmigiano-Reggiano from Italy—look for the name stamped on the rind or clearly labeled on pre-grated packages. Avoid shelf-stable grated cheese or anything labeled “Parmesan” or “Parmesan cheese.”
  • Jump to the printable recipe for precise measurements

Step-by-Step Instructions

Pulse the walnuts and garlic first, then add the basil and seasonings. As you slowly drizzle in the olive oil, the pesto will come together into a smooth, vibrant green sauce. Taking your time with the oil helps it emulsify for the best texture.

Pro Tip: If you don’t have a food processor, a blender works too, though you may need to stop and scrape down the sides a few times to keep everything moving.

Add the cheese and blend just until incorporated. It’ll thicken the pesto slightly and give it a rich, creamy texture.

How To Store & Freeze Pesto

pesto sauce in bowl with linen napkin

Pesto keeps well in the refrigerator for about a week. To help prevent browning, smooth the surface and pour a thin layer of olive oil over the top before refrigerating (this seals out the air and prevents the sauce from oxidizing).

For longer storage, freeze pesto in ice cube trays. Once frozen, transfer the cubes to a freezer bag so you can thaw exactly as much as you need.

Best Ways to Use Homemade Pesto

bowl of pesto pasta

Homemade pesto is far more versatile than just pasta. Here are some of my favorite ways to use it:

Video Tutorial

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Print

Homemade Pesto Recipe

pesto sauce in bowl with linen napkin
This homemade pesto sauce is fresh, flavorful, and ready in just minutes.
Servings: 10 (makes about 1¼ cups)
Prep Time: 15 minutes
Total Time: 15 minutes

Ingredients 

  • cup walnuts, toasted if desired (see note)
  • 2 large cloves garlic, roughly chopped
  • 2 cups packed fresh basil leaves
  • ½ teaspoon salt
  • ¼ teaspoon freshly ground black pepper
  • cup extra-virgin olive oil
  • ½ cup grated Parmigiano-Reggiano

Instructions

  • Place the walnuts and garlic in the bowl of a food processor fitted with a steel blade. Process until coarsely chopped, about 10 seconds. Add the basil leaves, salt, and pepper and process until mixture resembles a paste, about 1 minute. With the processor running, slowly pour the olive oil through the feed tube and process until the pesto is thoroughly blended. Add the Parmesan and process a minute more. Use pesto immediately or store in a tightly sealed jar or air-tight plastic container, covered with a thin layer of olive oil (this seals out the air and prevents the pesto from oxidizing, which would turn it an unappetizing brown color). It will keep in the refrigerator for about a week.

Notes

  • Toasting the walnuts isn't essential, but it brings out their flavor. To toast them, preheat the oven to 350°F. Arrange the walnuts on a baking sheet in a single layer. Bake, checking frequently, until lightly toasted and fragrant, 6 to 8 minutes. Transfer immediately to a plate to cool.
  • Freezing Instructions: Pesto can be frozen in an airtight container for up to 6 months. You can also divide your prepared pesto into the compartments of an ice cube tray and freeze. Once it’s frozen, remove the pesto cubes from the tray and put in a sealable plastic bag or an airtight container. You can add the defrosted pesto cubes to soups, pasta dishes, eggs, sandwiches, and potatoes.

Nutrition Information

Per serving (10 servings)Calories: 159kcalCarbohydrates: 1gProtein: 3gFat: 17gSaturated Fat: 3gCholesterol: 4mgSodium: 161mg

This website is written and produced for informational purposes only. I am not a certified nutritionist and the nutritional data on this site has not been evaluated or approved by a nutritionist or the Food and Drug Administration. Nutritional information is offered as a courtesy and should not be construed as a guarantee. The data is calculated through an online nutritional calculator, Edamam.com. Although I do my best to provide accurate nutritional information, these figures should be considered estimates only. Varying factors such as product types or brands purchased, natural fluctuations in fresh produce, and the way ingredients are processed change the effective nutritional information in any given recipe. Furthermore, different online calculators provide different results depending on their own nutrition fact sources and algorithms. To obtain the most accurate nutritional information in a given recipe, you should calculate the nutritional information with the actual ingredients used in your recipe, using your preferred nutrition calculator.

Gluten-Free Adaptable Note

To the best of my knowledge, all of the ingredients used in this recipe are gluten-free or widely available in gluten-free versions. There is hidden gluten in many foods; if you're following a gluten-free diet or cooking for someone with gluten allergies, always read the labels of your ingredients to verify that they are gluten-free.

4.88 from 179 votes

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323 Comments

  • 5 stars
    Just made this because I had more basil than I knew what to do with. It was so delicious!!!! I love the use of walnuts because we almost always have them on hand. I put this over pasta and garnished with freshly diced tomatoes. Delicious!

  • Love all of your recipes and I’m sure this one is no different. Unfortunately, due to dental work I’m on liquid diet so I can’t try it. However, questioning why my pesto, right from the food processor was a deep green vs. the vibrant and fresh looking one in your pics. I used the best ingredients and fresh basil from my garden. I followed the directions to a T. Any ideas what could have gone wrong? I did use a mini processor. Perhaps too cramped and basil got bruised??

    • Hi Neil, That’s a bit of a head scratcher. I don’t think the mini food processor would cause it. Olive oil can come in a variety of shades ranging from yellow to green to brown. Is your olive oil a bit of a darker color?

  • 5 stars
    made this exactly written, with fresh from our garden basil. It was soooooo delicious. I used walnuts too. Husband said he could never get pesto this good in a restaurant! Thank you Jenn for this perfect pesto recipe.

  • 5 stars
    This is my go to pesto! I love it!

  • I bought a bunch of organic basil, rinsed off and patted dry, then placed them flat between parchment before placing in freezer. My question: can frozen basil be used to make pesto, or will the frozen state make for an unattractive pesto?
    BTW: I love that you use walnuts which are so rich in omegas!

    • Hi Iris, I haven’t done it before, but I think it’s fine to use basil that’s been frozen. Hope you enjoy!

  • 5 stars
    Jenn, your pesto is an absolute flavour bomb. I love that I can use walnuts rather than overpriced pine nuts. I get to enjoy the flavours of summer all winter, since this pesto freezes so well.

  • 5 stars
    I’ve made this at the end of summer 2 years in a row with the rest of my basil before the first frost. It’s AMAZING!! I love using walnuts because I always have them in the freezer.

    I found large 4 ounce ice cube trays at the 99 Cent store. They have a silicone bottom and I push the cubes out and freeze. Perfect amount anytime I like. And it tastes so great even after frozen!!

  • 5 stars
    I love this recipe as it is simple and easy to use. I have frozen it and look forward to seeing what it does for the flavour. Thank you Jenn

  • The ingredient amounts were perfect. Good consistency and flavor.

  • 5 stars
    This is wonderful. I used a small cloves of garlic because I don’t love garlic and a little less olive oil because I ran out! It was perfect. Not too salty – I actually added a pinch more because I love salt. Thanks for a great recipe.