
Pesto Pasta Salad
Chilled pesto pasta salad with juicy cherry tomatoes, mini mozzarella, and arugula — reserved pasta water loosens the pesto into a silky coating.
Overview
Ingredients
Equipment
- Large pot
- Food processor
- Baking sheet
- Large bowl
Method

Boil the pasta
Bring a large pot of salted water to a boil. Cook the pasta just past al dente. Before draining, reserve 3/4 cup pasta water.
Cool the pasta
Drain the pasta, toss it with a little olive oil, and spread it out to cool. Let the reserved pasta water cool too.

Make the pesto
Make the pesto. Pulse the pine nuts, lemon juice, garlic, salt, and pepper in a food processor. Add the basil, then slowly drizzle in the olive oil while blending. Pulse in Parmesan if using.

Toss with pesto
Put the cooled pasta in a large bowl. Add the pesto, 1/2 cup pasta water, lemon juice, salt, and pepper. Toss until coated.
Fold in the vegetables
Fold in the tomatoes, mozzarella, and arugula. Add a little more pasta water if the pesto needs loosening.

Finish
Finish with toasted pine nuts, basil, and red pepper flakes if you like.
Tips
Nutrition
Storage
Frequently asked
Can I make it ahead?+
Yes — it actually improves after an hour in the fridge. Add a splash of pasta water and re-toss before serving.
Can I use store-bought pesto?+
You can, but loosen it with some of the reserved pasta water so it coats the pasta instead of sitting at the bottom.
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