Healthy Cucumber Pasta Salad

This cool and creamy cucumber pasta salad is a bright, easy summer favorite that comes together quickly and tastes best when chilled. It’s perfect for barbecues, picnic days, or a simple lunch when you want something light and refreshing without heating up the kitchen.

In this recipe, you’ll find a short and simple ingredient list — just pasta, crisp cucumber, onion, and a straightforward mayo-and-sour-cream dressing with dill and vinegar. I’ve included clear, step-by-step instructions for making the dressing, prepping the vegetables, cooking the pasta, and assembling everything. Plus, you’ll get practical tips to keep your salad from getting watery, smart swap ideas, serving suggestions, and storage advice.

Easy to customize and definitely family-friendly, this salad is a great make-ahead dish. Just salt and drain your cucumbers, cook your pasta just right, toss it all with the creamy dressing, and let it chill in the fridge so the flavors come together beautifully.

This cool, creamy cucumber pasta salad is a total summertime winner: light, refreshing, and best served cold. It’s super quick to come together with just a handful of ingredients — pasta, cucumber, onion, and a simple mayo‑and‑sour‑cream dressing with fresh dill and vinegar. It really shines when you make it ahead for backyard cookouts, picnics, or a hassle-free chilled lunch for busy days.

Keep reading, and you’ll find everything you need to nail it: step‑by‑step directions for mixing the dressing, slicing your veggies, and cooking the pasta perfectly. I’m also sharing tips to keep the dressing creamy (not watery), easy ingredient swaps, plus storage and serving ideas to keep this salad crisp and tasty.

• Hands‑on time: about 15–20 minutes; most of the total time is chilling and letting the flavors develop.
• What you’ll learn: the best way to salt and drain cucumbers, cook pasta al dente and cool it quickly, when to mix everything for a perfect texture, and smart make‑ahead tips.
• Why it works: a creamy, tangy dressing balances out crisp cucumbers for a crowd-pleasing summer side that’s easy to tweak to your taste.

Stick around for the full recipe and my practical tips — I promise you’ll get a creamy, crunchy cucumber pasta salad every time with zero fuss.

What Makes It So Good

• Make-ahead friendly – You can get this pasta salad ready several hours or even a day early, which makes it perfect for meal prep or summer get-togethers—pair it with our Pressed Italian Picnic Sandwich Loaf for an easy, packable spread.
• Simple ingredients – It’s made from everyday staples you probably already have on hand: pasta, cucumber, onion, mayo, and a few seasonings.
• Perfect for hot days – The cool creamy dressing and crisp cucumber give you a refreshing, light salad that’s ideal for picnics, barbecues, or just a no-fuss lunch. For a brighter, tangy twist, try our Lemon-Dijon Asparagus and Pea Macaroni Salad.
• Customizable recipe – Feel free to add more veggies, change up the herbs, or swap the pasta shape to make it your own; you can even stir in briny add-ins like pickles—see how in this Creamy Pickle Pasta Salad.

Ingredients You’ll Need

• 8 oz penne pasta
• 1/2 white onion (finely minced)
• 1 English cucumber (cut into ¼-inch dice)
• freshly ground black pepper, to taste
• 1/2 cup mayonnaise (I like Hellmann’s for the best flavor and texture)
• 1 tsp sugar
• 1/2 cup full-fat sour cream (this makes the dressing nice and creamy)
• 2 tbsp vinegar
• 2 tbsp fresh dill (finely chopped for the best fresh herb punch)
• 1/2 tsp salt

Prep and Assembly

1. Whisk mayonnaise, sour cream, vinegar, sugar, chopped dill, salt, and pepper in a small bowl until smooth; set dressing aside to meld.
2. Thinly slice the onion and soak slices in a bowl of cold water for 5–10 minutes; drain and pat dry.
3. Bring a pot of salted water to a boil and cook penne until al dente following package directions.

4. Drain the pasta, rinse under cold water to stop cooking and cool, then drain well; if not tossing right away, stir in 1 teaspoon neutral oil to prevent sticking.

   

5. Cut the cucumber lengthwise, scoop out the seeds with a spoon, then slice thinly.
6. Salt cucumber pieces and let them drain in a colander for 20–30 minutes, then pat dry.
7. In a large bowl, toss the cooked pasta, drained onion slices, and drained cucumber together.

8. Pour the dressing over the pasta and vegetables and gently fold until evenly coated.

9. Refrigerate the assembled salad for at least 40 minutes before serving.

Tips for Perfect Texture

Little tricks can make a huge difference when you’re making cucumber pasta salad. Here are my go-to tips for getting the perfect texture, flavor, and keeping things stress-free — plus a few things to watch out for so you avoid a watery salad.

• Beat extra water: Salt your cucumber pieces and let them drain in a colander for 20–30 minutes, then pat dry with a paper towel. Using English cucumbers helps since they’re less watery, but if you’re using regular ones, peel and scoop out the seeds to cut down moisture.
• Soften the onion bite: Soak your thin onion slices in cold or icy water for at least 5–10 minutes, then drain and pat dry. This lowers the sharpness and will keep your dressing from watering down.
• Cook pasta with care: Make sure your pasta is just al dente. Rinse it with cold water right after cooking to stop it from overcooking and to remove starch. If you aren’t tossing it right away, stir in a teaspoon of neutral oil to keep the noodles from sticking.
• Make the dressing early: Whisk together the mayo, sour cream, vinegar, sugar, dill, salt, and pepper in advance and chill it. Chilling lets the flavors blend beautifully. Taste again after mixing your salad and tweak acidity or salt if needed.
• When to mix: For the best crunch and flavor, combine the salad ingredients 30–40 minutes before serving. This way, the cucumbers don’t get soggy but the flavors still meld nicely. If you need to prep way ahead, keep pasta, veggies, and dressing separate and toss about an hour before eating.
• Fresh herb love: Chop dill finely and mix most of it into the dressing, but save a little to sprinkle on top right before serving for a pop of fresh color and fragrance.
• Add crunch last: If you want to mix in extras like celery, radishes, toasted sunflower seeds, or diced peppers, fold them in just before serving to keep their snap.
• Fix watery salad: Sometimes the salad might get watery after chilling. If that happens, simply drain off the extra liquid, give everything a good stir, and if needed, stir in a spoonful of mayo or sour cream to bring back creaminess.
• Storage tips: Keep the salad in an airtight container in your fridge for up to 3 days. Just stir it before serving. If it feels a little dry after a day or two, splash in a little vinegar or a dollop of yogurt to freshen it up.
• Serving note: This salad shines when served cold, but letting it rest at room temp for 5–10 minutes before plating can help the flavors shine even more.

The trickiest part of this cucumber pasta salad is keeping it from turning watery. The secret is salting those cucumber slices and letting them drain in a colander for at least 30 minutes before adding them to your salad. Another common slip-up is overcooking the pasta — cook it just until al dente and rinse immediately under cold water to stop the cooking and prevent the noodles from sticking or getting mushy. Timing when you toss everything also matters: mixing the salad too far ahead allows the cucumbers to release water and thin out your creamy dressing, so aim to toss everything together no more than two hours before serving. Finally, once assembled, chill the salad for at least 30 minutes so all the flavors meld while the veggies stay crunchy.

Image: mollyshomeguide.com / Photographer Molly

This creamy, refreshing cucumber pasta salad makes an unbeatable side for your summer grills and cookouts! It pairs beautifully with grilled chicken, burgers, or hot dogs—the cucumber’s crunch and the creamy dressing bring balance to smoky, charred flavors. For an all-around summer meal, serve it alongside corn on the cob, juicy watermelon slices, or a savory Green Onion Zucchini Cheddar Quick Bread to keep that fresh, seasonal vibe going strong. Heading to a picnic or potluck? This salad is right at home beside classic sides like baked beans, crispy homemade air fryer potato chips, or a colorful fresh fruit salad; for a make-ahead duo, bring a vibrant Lemon-Dijon Asparagus and Pea Macaroni Salad too.

Easy Swaps and Add-Ins

This cool and creamy pasta salad is super flexible. Here are some simple swaps and mix-in ideas you can try to make it your own. Craving a brighter, spring-forward variation? Try our Lemon-Dijon Asparagus and Pea Macaroni Salad for another veggie-packed option.

• English cucumber: Regular cucumbers work just fine—just peel and remove the seeds to cut down on extra moisture. You could even swap in zucchini for a mild twist, but remember it’ll change the flavor a bit.
• Pasta: Any medium pasta shape like bow ties, shells, or fusilli works great here. Looking for a healthier option? Try whole wheat or chickpea pasta for an extra boost of nutrition.
• Sour cream: Greek yogurt is a fabulous substitute here—it’s tangier and packs more protein. Just be sure to use plain full-fat yogurt to keep that creamy texture.
• Mayonnaise: Light mayo is fine, or you can swap mayo entirely for Greek yogurt if you’re feeling fresh. For a fun twist, try half mayo and half ranch dressing—it adds a tasty, herby vibe.
• Fresh dill: Don’t have fresh dill? Use about 2 teaspoons of dried dill instead. Fresh parsley or chives also make nice alternatives if you want a different herb flavor.
• Vinegar: Any light vinegar will do—rice vinegar, white wine vinegar, or apple cider vinegar all work well. Lemon juice is another great, bright option if you prefer.

How to Store Leftovers

Chill time is key: Your cucumber pasta salad tastes best after it chills for at least an hour in the fridge. This gives the flavors a chance to blend and lets the dressing coat everything just right. Plus, there’s nothing better than a cold pasta salad on a hot day!

Keep fresh: Store your salad in an airtight container in the fridge, where it will stay good for up to 3 days. The cucumbers might release a little water over time, so just give it a quick stir before serving. Making it for a party? It’s totally okay to put it together the day before—you won’t lose any flavor or texture. If you need a second make-ahead side, this creamy steakhouse potato salad also holds up beautifully overnight. For a make-ahead dessert that travels well, try this easy peach cobbler with canned peaches.

Make-ahead hack: If you want to prep way ahead, cook and cool your pasta first, and keep it separate from the chopped veggies and dressing. Toss everything together about an hour before serving. This trick keeps the cucumbers crisp and stops the pasta from soaking up too much dressing.

Preparation Time 15-20 minutes Cooking Time 10-15 minutes Total Time 65-75 minutes (including chilling) Level of Difficulty Easy

Common Questions

English cucumbers are often my first choice because they’re sweeter, thinner-skinned, and have smaller seeds, so no peeling is needed and they’re less watery. But regular garden cucumbers also work perfectly well — just peel them and scoop out the seeds to avoid bitterness and excess water. Persian cucumbers are another great option if you can find them—they’re basically mini English cucumbers with a crisp bite. Whatever you pick, just choose cucumbers that feel firm and have bright green skin without soft spots to keep your salad tasting fresh and crunchy.