Tuna Pasta Salad with Vegetables

My neighbor Sarah brought this to our first apartment building potluck, and I immediately begged for the recipe. She laughed and said it was just something she threw together when the humidity hit 90 percent and nobody wanted to cook. The way the cold, creamy pasta hits your spoon on a sweltering July afternoon is absolute magic.

Last summer, my daughter declared she was hosting a proper garden party for her seventh birthday. I made three batches of this pasta salad, and not a single noodle remained on any plate. The kids went back for thirds, and the moms kept messaging me for the recipe afterward.

Ingredients

• Short pasta: Fusilli and rotini catch the dressing in every curl, though penne works if that is what you have in the pantry
• Solid tuna: The solid chunks hold their shape better than flaked varieties, giving you actual bites of fish in every forkful
• Cherry tomatoes: They burst with sweetness when you bite into them, unlike watery grocery store tomatoes in winter
• Red onion: Soak the chopped onion in ice water for ten minutes if you want the flavor without the harsh bite
• Celery: This adds the perfect crunch that keeps things interesting, but do not tell your celery hating friends and they probably will not notice
• Mayonnaise and Greek yogurt: The combination gives you tanginess and creaminess without feeling heavy
• Dijon mustard: Do not substitute yellow mustard here, the Dijon is what makes the dressing taste restaurant quality
• Fresh lemon juice: Bottled juice works in a pinch, but fresh lemon brightens the entire dish in a way you can really taste

Instructions

Cook and cool the pasta:

Boil your pasta until it is just barely al dente, then rinse it thoroughly under cold water until it feels completely cool to the touch

Whisk the creamy dressing:

Combine the mayonnaise, yogurt, mustard, lemon juice, salt, and pepper in a large bowl until the mixture is smooth and glossy

Add everything to the bowl:

Dump in the cooled pasta, tuna, tomatoes, onion, celery, cucumber, olives, and parsley all at once

Toss with patience:

Fold everything together gently with a spatula, taking your time to coat every single piece of pasta in that creamy dressing

Let it rest:

Refrigerate for at least thirty minutes before serving, because the flavors need time to become friends with each other

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This recipe has saved me countless times when friends drop by unexpectedly or I need something to bring to a summer gathering. There is something about the way the cold, creamy noodles mingle with the crisp vegetables that makes people relax and linger around the table longer.

Making It Your Own

Once you have made this a few times, you will start seeing opportunities to switch things up based on what is in your fridge. The beauty of pasta salad is its forgiveness, it almost always works out as long as you keep the creamy dressing base.

Perfect Pairings

My husband insists on serving this with crusty garlic bread to soak up any extra dressing at the bottom of the bowl. A chilled white wine or even sparkling water with lemon makes the whole meal feel like a tiny vacation.

Storage and Meal Prep

This salad keeps beautifully in the refrigerator for three to four days, though the pasta will absorb some of the dressing as it sits. I actually prefer the flavor on day two when everything has marinated together.

• Stir in a splash of olive oil or another spoonful of yogurt before serving leftovers
• Avoid adding fresh herbs until right before you eat, otherwise they will wilt and look sad
• Keep the pasta salad in a sealed container and give it a good stir before serving again

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There is something deeply satisfying about a dish that requires no heat and gets better with time. This pasta salad has become my go to answer for almost any summer eating situation.

Recipe FAQs

→ Can I make this dish ahead of time?

Absolutely. This tastes even better after refrigerating for a few hours or overnight. The flavors meld together beautifully, making it perfect for meal prep or preparing the day before a gathering.

→ What type of pasta works best?

Short pasta shapes like fusilli, penne, or rotini are ideal because they catch the dressing and mix-ins well. The curves and ridges help hold onto the creamy coating.

→ Can I use tuna in oil instead of water?

Yes, tuna packed in oil adds extra richness and flavor. Just drain well before adding. You may want to slightly reduce the mayonnaise if using oil-packed tuna.

→ How long does it keep in the refrigerator?

Properly stored in an airtight container, it keeps well for 3-4 days. The pasta may absorb some dressing, so stir before serving and add a splash of lemon juice if needed.

→ What can I substitute for mayonnaise?

Use all Greek yogurt for a lighter version, or try mashed avocado for creaminess with healthy fats. Both alternatives maintain the texture while changing the flavor profile.

→ Can I add other vegetables?

Certainly. Bell peppers, shredded carrots, broccoli florets, or fresh spinach all work wonderfully. Just keep total vegetable amounts similar to maintain the right balance with pasta.