This is the kind of pasta salad that gets scooped up first and leaves you wishing you’d doubled the batch. Cheese-filled tortellini, a punchy pesto, and crisp veggies all mingle in a bowl that tastes like sunshine. It’s hearty enough for lunch, easy enough for weeknights, and welcome at any potluck.

Best of all, it’s ready in about 20 minutes and holds up beautifully in the fridge. Keep this one in your back pocket for busy days and hungry guests.

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Why This Recipe Works

Bold flavor, minimal effort: Store-bought pesto does the heavy lifting, bringing basil, garlic, and Parmesan in one scoop.
Texture that satisfies: Chewy tortellini, juicy tomatoes, crunchy cucumbers, and creamy mozzarella create a balanced bite.
Great warm or cold: Serve it slightly warm for comfort or chilled for a refreshing side—either way, it sings.
Make-ahead friendly: The flavors deepen as it rests, so it tastes even better a few hours later.
Customizable: Add protein, swap veggies, or use homemade pesto for a personal touch.

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Shopping List

Cheese tortellini (refrigerated or frozen; about 20–22 ounces)
Pesto (about 1/2 to 3/4 cup; store-bought or homemade)
Cherry or grape tomatoes (2 cups, halved)
English cucumber (1, diced) or Persian cucumbers
Red onion (1/4 small, thinly sliced) or shallot
Fresh mozzarella (8 ounces; pearls or diced)
Kalamata or black olives (1/2 cup, sliced; optional)
Baby spinach or arugula (2 cups, loosely packed)
Lemon (1; for juice and zest)
Extra-virgin olive oil (1–2 tablespoons)
Red pepper flakes (pinch; optional)
Salt and black pepper (to taste)
Parmesan (for shaving on top; optional)
Pine nuts or sliced almonds (2–3 tablespoons, toasted; optional crunch)

How to Make It

Cook the tortellini: Bring a large pot of salted water to a gentle boil. Add tortellini and cook until just tender, usually 2–3 minutes for refrigerated or per package for frozen. Do not overcook.
Drain and cool slightly: Drain well, then spread the tortellini on a sheet pan for 3–5 minutes so steam escapes. Toss with 1 tablespoon olive oil to prevent sticking.
Prep the mix-ins: Halve the tomatoes, dice the cucumber, thinly slice the onion, and cut the mozzarella if not using pearls. Roughly chop olives if using.
Lighten the pesto: In a large bowl, whisk pesto with a squeeze of lemon juice, 1 tablespoon olive oil, and a splash of pasta cooking water (or plain water) to create a looser, silkier sauce.
Toss it together: Add the slightly warm tortellini to the bowl and coat with the pesto mixture. Fold in tomatoes, cucumber, onion, olives, and mozzarella. Add spinach or arugula last to keep it perky.
Season and brighten: Add lemon zest, a pinch of red pepper flakes, and black pepper. Salt to taste—remember pesto and cheese are already salty.
Finish and serve: Top with shaved Parmesan and toasted nuts for extra texture. Serve right away slightly warm, or chill for 30–60 minutes for a cool, cohesive salad.

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Storage Instructions

Refrigerate: Store in an airtight container for up to 3 days. The flavors meld over time.
Refresh before serving: Toss with a splash of olive oil or a spoonful of pesto if it looks dry after chilling.
Avoid freezing: Tortellini and fresh veggies don’t hold texture well after thawing.
Keep greens crisp: If making ahead, add spinach or arugula right before serving.

Health Benefits

Balanced macros: Cheese tortellini offers carbs for energy and protein for staying power, especially with mozzarella.
Healthy fats: Olive oil, nuts, and pesto provide monounsaturated fats that support heart health and help you feel satisfied.
Veggie boost: Tomatoes, cucumbers, and greens add hydration, fiber, and antioxidants like lycopene and vitamin C.
Portion-flexible: Serve a smaller scoop as a side or a larger bowl for a filling main—easy to tailor to your needs.

Pitfalls to Watch Out For

Overcooking tortellini: Soft, blown-out tortellini will fall apart. Pull them as soon as they float and are just tender.
Soggy salad: Too much watery veg can dilute the pesto.Pat the mozzarella dry and remove the cucumber seeds if very watery.
Heavy-handed salt: Pesto, olives, and Parmesan are salty. Taste before adding extra salt.
Clumpy pasta: Toss the tortellini with a little oil as it cools so it doesn’t stick together.
Flat flavor: A squeeze of lemon and a grind of pepper wake everything up—don’t skip the acid.

Variations You Can Try

Chicken pesto tortellini: Add shredded rotisserie chicken for extra protein.
Roasted veggie upgrade: Fold in roasted zucchini, bell peppers, or cherry tomatoes for depth and sweetness.
Pesto ranch twist: Mix 2 parts pesto with 1 part ranch dressing for a creamy, crowd-pleasing sauce.
Caprese-style: Use extra tomatoes and mozzarella, add fresh basil ribbons, and finish with a drizzle of balsamic glaze.
Peppery bite: Swap spinach for arugula and add grilled artichokes for a briny note.
Nut-free: Choose a nut-free pesto and skip the pine nuts; sunflower seeds add crunch without nuts.
Gluten-free: Use gluten-free tortellini or substitute gluten-free pasta shells with diced fresh mozzarella.

FAQs

Can I use frozen tortellini?

Yes. Cook it straight from frozen following the package directions, then proceed with the recipe.

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Be sure to drain well and cool slightly before tossing with pesto.

What pesto is best?

A good refrigerated basil pesto usually tastes fresher than shelf-stable jars. Look for one with olive oil, basil, Parmesan, and pine nuts. If you have time, homemade pesto is fantastic.

How do I keep the salad from drying out in the fridge?

Stir in a splash of olive oil or a tablespoon of pesto before serving leftovers. A squeeze of lemon can also revive the flavor.

Can I make it dairy-free?

Use dairy-free tortellini or a stuffed vegan pasta, swap in a vegan pesto, and replace mozzarella with a dairy-free alternative or chickpeas for creaminess and protein.

What protein goes well with this?

Grilled chicken, sliced Italian sausage, or chickpeas fit right in. Prosciutto torn into ribbons also adds a salty, silky touch.

Is it okay to serve warm?

Absolutely. Toss the tortellini with pesto while still warm and add the greens just before serving.

It’s comforting and fragrant this way.

How far ahead can I make it?

You can make it up to 24 hours ahead. For the best texture, add the greens and nuts right before serving and refresh with a little oil or pesto.

What if I don’t like raw onion?

Soak sliced onion in cold water with a splash of vinegar for 10 minutes, then pat dry. It mellows the bite without losing crunch.

Can I add more veggies?

Yes—bell peppers, blanched green beans, or steamed broccoli florets are great. Keep pieces bite-sized so every forkful feels balanced.

How do I toast pine nuts quickly?

Warm them in a dry skillet over medium heat for 2–3 minutes, shaking often, until golden and fragrant. Watch closely—they burn fast.

Final Words

This Pesto Tortellini Pasta Salad delivers big flavor with little fuss. It’s fresh, colorful, and endlessly flexible, which is why it disappears so quickly.

Keep pesto and tortellini on hand, and you’ve got a fast path to a crowd-pleasing meal or side any night of the week. Make a bowl, taste, tweak, and enjoy the compliments.