Lemon Basil Pesto Recipe — Bright Sauce for Pasta & Sandwiches

I could honestly put this lemon pesto on nearly everything. Inspired by traditional Italian pesto, this version adds a bright citrus twist. Made with fresh basil, toasted pine nuts, lemon zest, and grated Parmesan, the sauce finds a perfect balance of herbaceous, salty, and tangy flavors. It’s exceptional on pasta, chicken, pizza, roasted vegetables, 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’ve been making pesto nonstop. It stars in simple appetizers like crostini and richer plates like fried burrata, but my favorite thing is that it’s perfectly delicious eaten straight from the spoon. Basil and lemon are a classic pairing, so I add a generous amount of lemon zest to the pesto I’ve made since culinary school. The result is bright, fresh, and reliably satisfying.

Learning to make a great pesto is a useful kitchen trick. It’s quick to prepare and elevates weeknight dinners, salads, and snacks. Use this sauce anywhere you’d use regular pesto — toss it with pasta, brush it on grilled protein, or spoon it over roasted vegetables. Keep a jar in the fridge and you’ll have summer-ready flavor whenever you need it.

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 begins with great basil. Choose bright green leaves without any browning or limpness for the best flavor and texture. Fresh basil makes a pesto that outshines store-bought versions.

The rest of the ingredients are simple: toasted pine nuts, garlic, lemons (zest and juice), freshly-grated Parmesan, extra-virgin olive oil, kosher salt, and freshly-ground black pepper. If you prefer, swap pine nuts for almonds, walnuts, pepitas, or sunflower seeds, or omit nuts entirely for a nut-free pesto.

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. Pulse it a few times to break up the basil 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 the garlic, lemon zest, lemon juice, and Parmesan. Pulse until everything is finely minced. While the food processor is running, slowly drizzle in the olive oil. Season with salt & pepper.

Drizzle the olive oil slowly while blending to create a smooth, emulsified sauce. 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 leftover pesto, spoon it into a jar and pour a thin layer of olive oil over the top to slow browning. Seal tightly and refrigerate for up to five days. To freeze, place pesto in a freezer-safe container or ice cube trays, cover, and freeze for up to six months. Thaw overnight in the fridge before using.

Using this pesto

Pesto is classic with pasta, but it’s also incredibly versatile. Here are favorite ways to use this lemon basil pesto:

  • Use as a marinade or sauce for chicken, pork, or shrimp.
  • Drizzle over grilled or roasted vegetables.
  • Spread as a pizza sauce or serve as a dipping sauce for bread.
  • Layer it on sandwiches—Italian or veggie variations both benefit.
  • Fry eggs with a little pesto instead of oil for a bright, 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 versatile and bright. Inspired by classic Italian pesto, it offers a fresh citrus lift that works beautifully on pasta, protein, and more.
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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. Pulse, stopping to scrape down the sides as needed, until finely minced.
  • With the processor running, slowly drizzle in the olive oil until the mixture emulsifies into a smooth pesto. Taste and adjust salt and pepper as needed.

Notes

Swap pine nuts for walnuts, almonds, pepitas, or sunflower seeds, or omit nuts for a nut-free pesto.

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.

If you prefer a looser sauce, 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
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