Pesto Genovese with Pasta (Classic Basil Pesto, No Fancy Tools)

Bright, classic Pesto Genovese tossed with pasta using only a knife and a bowl — no mortar or food processor required. A simple chopping and whisking method yields a fresh, herbaceous sauce that clings to pasta for an easy spring or summer weeknight meal.

0.0(0 reviews)
Prep: 15m · Cook: 12m · Total27 mins
DifficultyEasy
Serves4
Pesto Genovese with Pasta (Classic Basil Pesto, No Fancy Tools)

Pesto Genovese with Pasta (Classic Basil Pesto, No Fancy Tools)

Pesto Genovese is at its best when it feels fresh, green and a little alive on the plate — not a uniform puree but a sauce with tiny bites of basil, nut and cheese. This knife-and-bowl method keeps that pleasing texture, coaxing flavor out of the leaves without a food processor or mortar. Finely chopping the basil and garlic rather than pulverizing them gives the sauce more presence on long pasta like linguine or spaghetti, and whisking in oil and starchy pasta water creates a glossy emulsion that clings where a blitzed pesto sometimes slides off.

This version is made with pantry-friendly habits: lightly toasted pine nuts for fragrance, a blend of Parmigiano-Reggiano and optional Pecorino for salty depth, and a touch of lemon to brighten. It’s quick enough for a weeknight but refined enough for a casual dinner company. The result is herbaceous, nutty and slightly salty with a silky mouthfeel—perfect on its own or as a foundation for grilled vegetables, a soft-poached egg or a handful of cherry tomatoes roasted until sweet.

Plan your timing

6:27 pm6:34 pmCook the pasta
6:34 pm6:41 pmChop and combine the pesto ingredients
6:41 pm6:48 pmEmulsify the pesto
6:48 pm6:55 pmToss and finish
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Ingredients

Yield
4

Instructions

Cook the pasta

Bring a large pot of water to a rolling boil and salt it generously (about 1–2 tbsp per gallon). Add the pasta and cook until just shy of al dente according to package directions. Before draining, reserve about 1 cup (240 ml) of the starchy cooking water, then drain the pasta and set aside.

For this step

  • 12 ozdried pasta (linguine or spaghetti)
Cook the pasta

Chop and combine the pesto ingredients

While the pasta cooks, finely chop the basil leaves and garlic on a cutting board — aim for very small pieces rather than a paste. Lightly toast the pine nuts in a dry skillet over medium heat until fragrant and golden, then chop them roughly. In a medium bowl, combine the chopped basil, garlic, toasted pine nuts, grated Parmigiano (and Pecorino if using) and 1 tsp kosher salt. Use the back of a spoon or a whisk to press and smear the mixture against the bowl to help break down the basil and release oils.

For this step

  • 2 cupsfresh basil leaves (packed)
  • 2 clovesgarlic cloves
  • 0.25 cuppine nuts (lightly toasted)
  • 0.5 cupParmigiano-Reggiano, finely grated
  • 0.25 cupPecorino Romano, finely grated (optional)
  • 1 tspkosher salt (plus more for pasta water)
Chop and combine the pesto ingredients

Emulsify the pesto

Slowly add the olive oil in a thin stream while whisking or stirring vigorously to form a glossy emulsion; start with about half the oil and add more until the texture is creamy but still a little loose. Stir in the lemon juice and a pinch of black pepper. If the pesto feels too thick, whisk in reserved pasta water a tablespoon at a time until you reach a saucy consistency that will coat the pasta.

For this step

  • 0.5 cupextra-virgin olive oil
  • 1 tspfresh lemon juice
  • 0.25 tspfreshly ground black pepper
  • 1 cupreserved pasta cooking water
Emulsify the pesto

Toss and finish

Place the hot drained pasta in a large bowl or back in the warm pot. Add the pesto and toss briskly to coat, adding more reserved pasta water or a splash of olive oil as needed. If using, stir in the tablespoon of butter until melted for extra sheen. Taste and adjust seasoning with salt, pepper, or more cheese. Serve immediately with extra grated cheese and a few toasted pine nuts.

For this step

  • 1 tbspunsalted butter (optional, for extra gloss)
Toss and finish

Tips from the kitchen

Chop basil finely

Pile leaves and slice thinly, then rock the knife to mince—small pieces release aroma without turning to paste.

Toast pine nuts lightly

Heat in a dry skillet and watch closely; remove at the first golden scent to avoid bitterness.

Use pasta water sparingly

Add a tablespoon at a time to the pesto while whisking until you reach a saucy consistency that will coat the pasta.

Emulsify with a thin stream

Pour the olive oil slowly while whisking to create a glossy emulsion rather than a separated oil slick.

Finish with butter optionally

A tablespoon of unsalted butter melted into the hot pasta adds sheen and tames raw garlic if needed.

Variations & substitutions

Vegan pesto

Replace cheeses with 1/3 cup nutritional yeast and increase toasted pine nuts or use blanched almonds for creaminess; finish with extra lemon for brightness.

Quick walnut pesto

Swap pine nuts for toasted walnuts or toasted pecans for a more rustic, slightly bitter note that pairs well with oaky white wines.

Greens-forward mix

Use half basil and half baby spinach or arugula to stretch the basil, yielding a slightly peppery flavor and deeper green color.

Herby lemon twist

Add a tablespoon of chopped flat-leaf parsley and a teaspoon of lemon zest for extra lift and herb complexity.

Storage & make-ahead

Leftover pesto keeps in an airtight container in the fridge for up to 3 days; press a thin layer of olive oil on top to slow browning. For longer storage freeze pesto in ice cube trays, then transfer cubes to a sealed bag for up to 3 months. Reheat by tossing frozen or refrigerated pesto with hot just-cooked pasta rather than microwaving, which dulls the basil's fresh flavor.

What to serve with it

Serve this pesto-tossed pasta with a simple salad of peppery arugula, shaved fennel and lemon vinaigrette to cut the richness. Add roasted cherry tomatoes or grilled shrimp for protein, and present with extra grated Parmigiano and a scattering of toasted pine nuts for texture. Pair with a chilled Vermentino, Pinot Grigio, or a crisp dry rosé to complement the herbaceousness.

Frequently asked questions

Can I use a food processor instead of chopping?

Yes—pulse briefly for a chunkier texture, but avoid over-blending into a paste; the point of this method is to preserve small bits of basil and nut for texture.

How do I prevent the pesto from turning brown?

Use very fresh basil, add a little lemon juice, and store with a thin film of olive oil on top in an airtight container to reduce oxidation.

What nuts can replace pine nuts?

Toasted walnuts, almonds, or cashews work well; walnuts add earthiness, almonds give a cleaner nuttiness, and cashews make a creamier sauce.

How much pasta water should I use?

Start with 1–2 tablespoons and whisk into the pesto until saucy, then add more as needed—about 1/4 to 1/2 cup total for 12 ounces of pasta is a typical range.

Can I make the pesto ahead?

Yes—pesto can be made a day ahead and chilled, but bring it to room temperature and whisk in a little pasta water or olive oil before tossing with hot pasta to revive its texture and flavor.

Jake

About the author

Jake

Hello, I'm Jake. I started this recipe site with the idea that I hated recipe websites that overwhelm you with long stories and ads just to see plain content that's not helpful. My goal is to provide you with quality recipes, simple ideas and a fun cooking experience. There's lots of fun things to cook, and I think as you browse the site you'll find that TopShelf.Recipes is the place for quality recipes on the web.

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Ingredients

4 servings
Step 1: Cook the pasta
  • dried pasta (linguine or spaghetti)12 oz
Step 2: Chop and combine the pesto ingredients
  • fresh basil leaves (packed)2 cups
  • garlic cloves2 cloves
  • pine nuts (lightly toasted)0.25 cup
  • Parmigiano-Reggiano, finely grated0.5 cup
  • Pecorino Romano, finely grated (optional)0.25 cup
  • kosher salt (plus more for pasta water)1 tsp
Step 3: Emulsify the pesto
  • extra-virgin olive oil0.5 cup
  • fresh lemon juice1 tsp
  • freshly ground black pepper0.25 tsp
  • reserved pasta cooking water1 cup
Step 4: Toss and finish
  • unsalted butter (optional, for extra gloss)1 tbsp

Nutrition Facts

Per serving: about 1¼ cups

Calories450
Total Fat40.9g
Saturated Fat8.5g
Trans Fat0g
Polyunsaturated Fat22g
Monounsaturated Fat7.2g
Total Carbohydrates16.8g
Dietary Fiber3.5g
Total Sugars1.4g
Protein6.4g

Nutrition values are estimated from USDA ingredient data and may vary based on preparation, brands, and portion sizes. Values are provided for informational purposes only.

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Pesto Genovese with Pasta (Classic Basil Pesto, No Fancy Tools)

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