Lemon Basil Pesto Recipe — Bright Sauce for Pasta & More

I could put this lemon pesto on almost everything. Inspired by classic Italian pesto, this version adds a bright citrus twist. Fresh basil, toasted pine nuts, lemon zest, Parmesan, and olive oil combine to create a sauce that’s salty, herbaceous, and savory. It’s fantastic on pasta, chicken, pizza, sandwiches, and more.

A grey bowl with lemon pesto with a wooden spoon on a beige counter next to a white bowl of lemon zest, halved lemons, a wood bowl of pine nuts, and a beige linen.

Now that my basil plant is thriving, I make pesto constantly. It stars in simple appetizers like crostini and richer dishes like fried burrata, and sometimes I’m guilty of eating it by the spoonful. Basil and lemon are a classic pairing, so I always add plenty of lemon zest to my go-to pesto recipe. The result is bright, fresh, and perfectly balanced.

Knowing how to make pesto is a useful kitchen skill — it’s quick, versatile, and an easy way to elevate weeknight dinners when your basil plant is overflowing. Use this lemon pesto anywhere you would use traditional pesto: toss it with pasta, spread it on sandwiches, spoon it over grilled fish or chicken, or brush it onto pizza. Summer flavor in a jar.

Fresh basil

A grey bowl of basil on a beige counter next to halved lemons, a jar of olive oil, a beige linen, a grey bowl of Parmesan, a white bowl of lemon zest, and a wood bowl of pine nuts.

Great pesto starts with great basil. Choose fragrant, vibrant leaves without browning or limp spots for the best flavor and texture. Fresh basil makes a pesto that far outshines store-bought jars.

Other essential ingredients include toasted pine nuts, a clove of garlic, lemon zest and juice, grated Parmesan, extra-virgin olive oil, kosher salt, and freshly ground black pepper. If you prefer, swap the pine nuts for walnuts or almonds, or use pepitas or sunflower seeds for a nut-free option.

Step-by-step directions

Three prep photos; photo 1 has a white pan with toasted pine nuts. In photo 2, a food processor is filled with basil on a beige counter. In photo 3, a food processor with blended basil sits on a beige counter next to wood bowls of salt and pine nuts.
Start by toasting the pine nuts in a pan over medium heat until they’re golden-brown. Next, place the basil in a food processor and pulse a few times to break up the leaves.
Three prep photos; in photo 1, a food processor with basil, garlic, pine nuts, parmesan, and lemon zest is on a beige counter next to wood bowls. In photo 2, olive oil is being poured into the food processor. In photo 3, green sauce in a food processor bowl on a beige counter.
Add garlic, lemon zest and juice, Parmesan, and the toasted pine nuts. Pulse until the mixture is finely minced, then slowly drizzle in olive oil while processing to form an emulsion. Season with salt and pepper.

Add the olive oil slowly; pouring it in too quickly can cause the pesto to separate.

A grey bowl of lemon basil pesto on a beige counter next to halved lemons, a wood bowl of pine nuts, a white bowl of lemon zest, and basil leaves.

Store & freeze leftovers

To store leftovers, spoon the pesto into a jar and pour a thin layer of olive oil over the surface to prevent browning. Seal tightly and refrigerate for up to five days. For longer storage, freeze pesto in an airtight container or in ice cube trays for up to six months. Thaw frozen pesto in the refrigerator overnight before using.

Using this pesto

Pesto isn’t just for pasta. Here are some favorite ways to use this lemon version:

  • Use as a marinade or finishing sauce for chicken, pork, or shrimp.
  • Drizzle over grilled or roasted vegetables.
  • Spread on pizza or serve as a dipping sauce for bread.
  • Pile onto an Italian or vegetable sandwich for extra flavor.
  • Fry eggs with a little pesto instead of oil for a quick, savory twist.
A grey bowl of lemon pesto with a wooden spoon on a beige counter next to lemon halves, basil leaves, a white bowl of lemon zest, a wood bowl of pine nuts, and a beige linen.

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Lemon Pesto with Basil

Yield: 2 cups
Prep Time: 10 mins
Cook Time: 5 mins
Total Time: 15 mins
This lemon pesto is great on almost everything. Inspired by traditional Italian pesto, it adds a bright citrus note with lemon zest and juice. Use it on pasta, chicken, pizza, or as a versatile sauce for many dishes.
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Ingredients

  • 3 Tablespoons pine nuts
  • 2 cups fresh basil leaves, packed
  • 1 garlic clove, peeled (about 1 teaspoon minced)
  • 1/2 cup grated Parmesan
  • 2 Tablespoons lemon zest
  • 2 Tablespoons lemon juice
  • 1/4 cup extra virgin olive oil
  • 1/2 teaspoon Kosher salt, plus more to taste
  • Freshly-ground black pepper, to taste

Equipment

  • Food processor or blender

Instructions 

  • Pour the pine nuts into a small skillet and toast over medium heat until golden-brown. Transfer to a small bowl and let cool.
  • Place the basil in the bowl of a food processor and pulse a few times to break up the leaves. Add the cooled pine nuts, garlic, Parmesan, lemon zest, lemon juice, salt, and pepper. Run the processor, stopping to scrape down the sides occasionally, until everything is finely minced.
  • With the processor running, slowly drizzle in the olive oil until the mixture becomes an emulsified sauce. Taste and adjust seasoning with more salt and pepper if needed.

Notes

Pine nuts can be replaced with walnuts, almonds, pepitas, or sunflower seeds for different flavors or to make the recipe nut-free.

Start with one garlic clove and add more to taste; too much garlic can overpower the basil and lemon.

Always use freshly grated Parmesan for the best flavor.

For a thinner, saucier pesto, add extra olive oil one tablespoon at a time until you reach the desired consistency.

Cuisine: Italian
Course: Sauces
Author: Sara Lynn Hunt Broka
Serving: 2Tablespoons, Calories: 45kcal, Carbohydrates: 0.6g, Protein: 0.9g, Fat: 4.7g, Saturated Fat: 0.8g, Cholesterol: 1mg
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