Refreshing Cucumber Onion Salad

Refreshing Cucumber Onion Salad: Your Go-To Side for Any Season

This Cucumber Onion Salad is a true culinary gem, celebrated for its simplicity, vibrant flavors, and refreshing crunch. It masterfully combines crisp cucumbers with thinly sliced red onion, all brought together by a light, tangy dressing infused with fresh dill. More than just a side dish, it’s a versatile accompaniment that instantly elevates any meal, making it an ideal choice for get-togethers, barbecues, picnics, or simply a light weeknight dinner. Its bright profile pairs exquisitely with a wide range of main courses, from succulent grilled meats to delicate seafood, offering a delightful counterpoint to richer flavors.

Crisp Cucumber Onion Salad in a white bowl, ready to be served

As the weather warms and days grow longer, light and refreshing salads become a staple in many households. This Cucumber Onion Salad consistently makes its way onto my rotation, and for good reason. It stands out as an incredibly easy side dish that requires minimal effort and time to prepare, yet delivers maximum flavor and satisfaction. Its ability to complement a vast array of main courses makes it a versatile hero in the kitchen, simplifying meal planning.

There’s an undeniable charm to a crisp cucumber salad, especially during the peak of summer. Cucumbers are a family favorite here, offering a wonderful crunch and a delicate, watery texture that adds a refreshing element to any salad. Beyond their delightful taste, cucumbers are also hydrating and packed with essential nutrients, making this salad not just delicious but also a healthy choice for your table.

Explore More Delicious Cucumber Salads

If you’re as much of a cucumber enthusiast as we are, you’ll love exploring other variations. Each offers a unique twist on this humble vegetable. Be sure to try this Creamy Cucumber Salad for a richer texture, the exotic flavors of Thai Cucumber Salad, the innovative Asian Cucumber Noodle Salad, the hearty Kale Cucumber Tabbouleh, or the Mediterranean-inspired Tomato Cucumber Feta Quinoa Salad.

This particular salad brilliantly combines thinly sliced English cucumber and red onion with a vibrant, tangy vinegar dressing and the aromatic freshness of dill. It’s a delightful side that pairs beautifully with savory dishes like these Oven-Baked Pork Chops, traditional Lebanese Meat Pies, simple Easy Pan-Fried Fish, elegant Black Sea Bass fillets, or flavorful Greek Marinated Chicken. Its crisp texture and zesty flavor cut through the richness of these main courses, creating a perfectly balanced meal experience.

In the warmer months, this refreshing salad is a firm family favorite. It’s the kind of dish you’ll find yourself making again and again, especially when hosting summer gatherings, barbecues, or casual outdoor parties. Its bright, clean taste is simply irresistible and always a crowd-pleaser.

Fresh Cucumber Onion Salad served in a bowl with two serving spoons

Why This Cucumber Onion Salad Will Be Your New Favorite

Beyond its refreshing taste, this Cucumber Onion Salad offers a host of practical benefits that make it an indispensable addition to your recipe repertoire. It’s not just a dish; it’s a smart choice for busy individuals, hosts, and anyone looking for fresh, vibrant flavors.

  • Effortlessly Easy to Make: Forget complicated recipes that demand hours in the kitchen. This salad is designed for simplicity. The hands-on preparation time is impressively minimal, usually taking no more than 20 minutes from start to finish. The key steps involve thinly slicing cucumbers and onions, a brief salting process to ensure the cucumbers remain crisp, and then simply whisking together a few dressing ingredients before tossing everything together. It’s truly a beginner-friendly recipe that yields professional-tasting results.
  • Incredibly Versatile for Any Meal: One of the greatest attributes of this light and fresh salad is its remarkable versatility. Its crisp texture and tangy flavor profile make it a perfect companion for a wide array of main dishes. Whether you’re serving up grilled seafood, roasted chicken, hearty beef, or planning a casual backyard BBQ, this cucumber and onion salad provides a refreshing contrast. It cuts through the richness of heavier meals, balancing flavors and adding a bright, zesty note that complements almost anything. Think of it as your secret weapon for enhancing weeknight dinners or grander feast preparations.
  • Perfect for Feeding a Crowd on a Budget: Hosting a gathering doesn’t have to break the bank. This salad is an excellent, budget-friendly option when you need to feed many guests. It relies on simple, readily available, and inexpensive ingredients – primarily cucumbers and onions, which are often affordable year-round, especially when in season. The recipe can easily be doubled or even tripled without much extra effort, allowing you to scale up effortlessly for larger parties, potlucks, or family reunions, ensuring everyone gets to enjoy a taste of this delightful side.

This salad truly embodies the spirit of fresh, easy, and adaptable cooking. It’s a testament to how a few simple ingredients, thoughtfully combined, can create something truly special and universally appealing.

Fresh ingredients for Cucumber Onion Salad laid out, including sliced cucumbers, red onion, honey, dill, and white wine vinegar

Essential Ingredients for Your Perfect Cucumber Onion Salad

Creating this delightfully simple salad requires only a handful of fresh, quality ingredients. Each component plays a crucial role in building the refreshing flavor profile and crisp texture that defines this dish. Here’s a closer look at what you’ll need and some tips for selecting them:

  • Cucumber: The star of the show! For the best results, I highly recommend using 2 large English cucumbers or about 8 Persian cucumbers. These varieties are superior because they have thin skins, eliminating the need for peeling, and contain fewer seeds, which means less watery pulp. Their firm flesh also holds up beautifully in the salad. If you opt for regular garden cucumbers, you might want to peel them and scoop out the larger seeds to prevent the salad from becoming too watery. Always choose firm, unblemished cucumbers for the freshest taste and best crunch.
  • Salt: Essential for both seasoning and texture. I use sea salt for two critical reasons: first, to “sweat” the cucumber slices, which means drawing out excess moisture. This crucial step prevents the salad from becoming soggy and ensures your cucumbers remain wonderfully crisp. Second, salt is used to season the tangy dressing, enhancing all the other flavors. Don’t skip the salting step; it makes a significant difference in the final texture of your cucumber onion salad.
  • Onion: Thinly sliced red onion adds a beautiful pop of color and a lovely, mild peppery bite that complements the cucumber without overpowering it. Red onions are preferred for their vibrant color and slightly sweeter, less pungent flavor when raw. However, you can certainly experiment with other varieties. A sweet onion, like a Vidalia, offers a very gentle flavor, while a white onion provides a sharper, more traditional onion taste. The key is to slice them as thinly as possible for a delicate presence in the salad.
  • White Wine Vinegar: This is the backbone of our light and tangy vinaigrette dressing. White wine vinegar provides a crisp, bright acidity that perfectly balances the sweetness of the honey and the freshness of the vegetables. While white wine vinegar is my go-to for its balanced profile, you can substitute it with red wine vinegar for a slightly fruitier, more robust tang, or even apple cider vinegar for a subtle apple note.
  • Honey: To perfectly balance the sour notes of the vinegar and the savory salt, a touch of sweetness is vital. Honey offers a natural, subtle sweetness that rounds out the dressing beautifully. Its liquid form also helps it integrate seamlessly into the vinaigrette. If you prefer, maple syrup or agave nectar make excellent vegan alternatives, or you can use regular granulated sugar, dissolving it well in the vinegar.
  • Dill: Fresh dill is truly what elevates this salad, imparting a distinctive, aromatic, and slightly anisy flavor that is synonymous with classic cucumber salads. For the most vibrant taste, finely chopped fresh dill is highly recommended. The difference in flavor between fresh and dried dill is quite noticeable. However, if fresh dill isn’t available, you can substitute with dried dill, using approximately 2 teaspoons of dried for every tablespoon of fresh. Always taste and adjust accordingly.

Please refer to the detailed recipe card below for precise ingredient measurements and comprehensive instructions to create this delightful Cucumber Onion Salad.

Close-up of freshly prepared Cucumber Onion Salad in a pristine white bowl

Step-by-Step Guide: Crafting Your Refreshing Cucumber Onion Salad

Making this delightful salad is straightforward and quick, ensuring you spend less time cooking and more time enjoying. Follow these simple steps to achieve the perfect balance of crispness and tangy flavor.

Preparation: The Foundation of Flavor and Texture

Step 1: Prepare the Cucumbers & Onion. Begin by thoroughly washing your chosen cucumbers. Slice off both ends. For uniform and visually appealing slices, a sharp knife is perfectly adequate, but for speed and consistency, a mandoline slicer is an excellent tool. Aim for thin, 1/4-inch thick rounds. This thickness ensures they absorb the dressing well while retaining their satisfying crunch. Next, take your red onion and slice it as thinly as possible, ideally paper-thin. This reduces its pungency and allows it to blend harmoniously with the cucumbers.

The Secret to Super Crisp Cucumbers: Salting

Step 2: Salt the Cucumbers. This step is crucial for achieving a non-watery, super-crisp salad. Place your thinly sliced cucumbers in a colander. Sprinkle them generously with a pinch of sea salt – about half of the total salt specified in the recipe. The salt will draw out excess moisture from the cucumbers through osmosis. Let them sit for 10-15 minutes; you’ll notice water collecting at the bottom. This process is often referred to as “sweating” the cucumbers, and it’s what keeps them from getting soggy later. After salting, gently rinse the cucumbers under cold water to remove any residual excess salt. Then, use a clean kitchen towel or paper towels to thoroughly pat them dry. This ensures they are ready to soak up the delicious dressing. Transfer the drained and dried cucumbers to a large mixing bowl.

Salted and drained cucumber slices in a colander, illustrating the moisture removal step

As mentioned, remember to rinse with water to remove excess salt, then pat dry before moving on to the next step.

Step 3: Add Onion. Once your cucumbers are prepped and dried, add the thinly sliced red onion to the bowl with the cucumbers. Ensure they are distributed evenly for a balanced flavor in every bite. If you find raw onion too strong, you can briefly soak the sliced red onion in ice water for about 10 minutes before adding it to the cucumbers; this mellows its flavor significantly.

A bowl filled with crisp cucumber and thinly sliced red onion for the salad

Crafting the Tangy Dill Dressing

Step 4: Make the Vinaigrette. In a separate small bowl, combine the white wine vinegar, honey, finely chopped fresh dill, the remaining 1/4 teaspoon of sea salt, and a generous pinch of freshly ground black pepper. Whisk these ingredients together vigorously until they are well combined and the honey has fully dissolved. Taste the dressing at this stage and adjust if necessary – perhaps a little more honey for sweetness, or a dash more salt or vinegar to sharpen the flavors. A perfectly balanced dressing is key to a standout cucumber onion salad.

Close-up of the tangy dill vinaigrette dressing in a small bowl, ready for the salad

Bringing It All Together

Step 5: Dress the Salad. Once your dressing is perfect, pour it evenly over the prepared cucumber and onion slices in the large bowl. Using a pair of salad tongs or two large spoons, gently toss the vegetables until every slice is thoroughly coated with the tangy vinaigrette. Be careful not to mash the cucumbers; you want to maintain their crisp integrity. Ensure the dill is evenly distributed, as it provides bursts of flavor throughout the salad.

Cucumber Onion Salad with the dressing mixed in, showing the vibrant combination of ingredients

Chill for Optimal Flavor

Step 6: Chill & Serve. This step is crucial for allowing the flavors to fully meld and for the salad to reach its optimal refreshing temperature. Cover the salad bowl tightly with plastic wrap and refrigerate for at least 30 minutes. For an even deeper infusion of flavor, you can prepare this salad up to 2 hours in advance. Just before serving, give the salad a quick stir and a taste. Adjust the seasoning if needed by adding a bit more salt or pepper to your preference. Serve chilled, perhaps garnished with a few extra sprigs of fresh dill for an appealing presentation and an extra burst of herbal aroma.

Vibrant Cucumber Onion Salad with serving spoons, ready to be enjoyed

Creative Ways to Customize and Modify Your Cucumber Onion Salad

While this classic Cucumber Onion Salad recipe is perfect as is, it also serves as a fantastic base for customization. Don’t hesitate to get creative and tailor it to your personal preferences or what you have on hand. Here are some delicious ideas to inspire you:

  • Experiment with Different Vinegars: The white wine vinegar provides a sharp, clean tang. For a subtle change, try apple cider vinegar for a slightly fruitier and milder acidity. Rice vinegar will give it an Asian-inspired twist with a gentler, sweeter profile, while red wine vinegar offers a bolder, more robust flavor that pairs well with heartier meals. Each vinegar will subtly transform the overall character of the dressing.
  • Fresh vs. Dried Dill and Other Herbs: Fresh dill is irreplaceable for its vibrant aroma and flavor, but if you’re in a pinch, dried dill can be used. Remember the general rule: use about 1/3 of the amount of dried herbs compared to fresh, so approximately 2 teaspoons of dried dill for 2 tablespoons of fresh. Beyond dill, consider incorporating other fresh herbs like finely chopped fresh parsley for an earthy note, chives for a delicate oniony flavor, or fresh mint for an incredibly refreshing, almost cooling sensation, especially on hot days.
  • Add More Fresh Vegetables: Increase the nutritional value and visual appeal by tossing in other crunchy vegetables. Diced bell peppers (red, yellow, or orange) add sweetness and color. Halved cherry tomatoes or diced regular tomatoes introduce a juicy, acidic counterpoint. Thinly sliced radishes will boost the peppery crunch, and finely diced celery can add another layer of fresh texture. Ensure all added vegetables are cut to a similar size for even distribution.
  • Introduce Cheese for Richness: For a touch of creaminess and savory depth, cheese is a wonderful addition. Crumbled feta cheese is an obvious choice, instantly giving the salad a delicious Greek flair with its salty, tangy notes. Goat cheese offers a softer, creamier texture and a distinctively tangy flavor. For a heartier option, consider adding small cubes of fresh mozzarella or even a shredded sharp cheddar cheese for a more pronounced, savory kick.
  • Brighten with Citrus: If you desire an extra zing, swap out a tablespoon or two of the vinegar for fresh lime juice or lemon juice. Citrus adds a bright, zesty note that can really make the flavors pop and enhance the refreshing quality of the salad. It’s particularly good if you’re pairing the salad with seafood.
  • Add a Hint of Chili Heat: For those who enjoy a little spice, introducing chili elements can transform the salad. A quarter teaspoon of red pepper flakes will provide a gentle, warming heat. For a more pronounced kick and fresh flavor, thinly sliced jalapeño (seeds removed for less heat) or a finely diced serrano pepper can be a fantastic addition.
  • Transform into a Creamy Cucumber Salad: If you prefer a richer, creamier texture, you can easily adapt this recipe. Stir in a tablespoon or two of thick Greek yogurt, sour cream, or even a dollop of mayonnaise into the dressing. This will create a luscious, velvety coating on the cucumbers and onions, reminiscent of a classic German or American creamy cucumber salad. Adjust the amount to achieve your desired creaminess.
Close-up of Cucumber Onion Salad in a bowl, ready to be served, showing its fresh, vibrant appearance

Storage Tips for Your Cucumber Onion Salad

To keep your Cucumber Onion Salad fresh and delicious, proper storage is key. Leftovers can be stored in an airtight container in the refrigerator for up to 3 days. While the salad remains enjoyable, be aware that cucumbers naturally release more water over time, especially after being dressed. This means the salad might become slightly more watery on subsequent days. Before serving again, you might find it beneficial to gently drain any excess liquid that has accumulated at the bottom of the container. A quick stir will redistribute the flavors, and you can always add a fresh sprinkle of dill or a tiny splash of vinegar to revive its vibrancy. It’s best enjoyed within the first 24-48 hours for optimal crispness.

Perfect Pairings: What to Serve with Cucumber Onion Salad

The versatility of this refreshing cucumber and onion salad makes it a fantastic accompaniment to an incredibly diverse range of main dishes, suitable for any time of year. Its light, tangy profile and crisp texture provide a wonderful contrast to richer, more savory entrees.

Seafood Pairings

I find that cucumber and onion salad shines especially bright when paired with seafood. Its crisp freshness and bright acidity perfectly complement the delicate flavors of fish. Consider serving it with flaky Air Fryer Cod, savory Mediterranean Tuna Patties, or tender Baked Cod with Lemon Sauce. The salad helps cleanse the palate and highlights the natural sweetness of the seafood. It also pairs wonderfully with grilled shrimp, pan-seared scallops, or a simple baked salmon.

Grilling & BBQ Companions

When the summer months roll around and the grill gets fired up, this salad truly comes into its own. It’s the quintessential side dish for all your backyard barbecues and outdoor gatherings. The cool, crisp texture offers a refreshing counterpoint to the smoky, rich flavors of grilled meats. Pair it with a juicy Grilled Flank Steak with Dry Rub, aromatic Grilled Beef Kofta Kebabs, vibrant Mediterranean Beef Kabobs, flavorful Moroccan Chicken Thighs, or perfectly charred Grilled Chicken Thighs with Greek Marinade. It also works beautifully alongside classic BBQ fare like pulled pork, grilled sausages, or even a veggie burger, adding a much-needed fresh element to your spread.

Everyday Meal Enhancements

Don’t limit this salad to just special occasions! It’s a fantastic addition to everyday meals too. Serve it alongside sandwiches or wraps for a lighter lunch, or with your favorite roasted chicken or baked fish for a wholesome dinner. Its simple ingredients and quick preparation make it an easy choice when you want to add a fresh, healthy component without much fuss.

Cucumber Onion Salad presented beautifully with a napkin and spoons, ready for serving

Frequently Asked Questions About Cucumber Onion Salad

Do I need to salt the cucumbers?

Yes, salting the cucumbers is a highly recommended and crucial step. Cucumbers have a very high water content, and without salting, they can release this excess water into your finished salad, making it watery and diluting the dressing. Sprinkling salt on the slices and letting them sit for a short period draws out this moisture, resulting in firmer, drier, and wonderfully crisp cucumber slices that maintain their texture even after being dressed. This significantly improves the overall quality and enjoyment of your cucumber onion salad, preventing it from becoming soggy.

Should I peel the cucumber?

Whether to peel your cucumber depends largely on the variety you’re using. For this cucumber salad recipe, I specifically recommend English cucumbers or Persian cucumbers because they have delightfully thin skins that are tender and pleasant to eat. These varieties typically don’t require peeling. If, however, you opt for a regular garden cucumber, which often has a thicker, sometimes bitter skin, or if its skin is waxed, I strongly suggest peeling some or all of it. Peeling ensures a more tender texture and eliminates any potential bitterness. Always taste a small piece of the skin first to decide!

Can I make Cucumber Onion Salad ahead of time?

Absolutely! This cucumber onion salad is fantastic when made a little in advance. Preparing it up to 2 hours before serving allows the flavors to meld beautifully, creating a more harmonious and delicious taste profile. Beyond 2 hours, the cucumbers may start to release more water and lose some of their crispness. If you need to prepare it further in advance, you can slice the cucumbers and onions and make the dressing separately. Store them in airtight containers in the refrigerator, then combine and toss just before serving for the freshest results.

How can I make the salad less watery if I’m preparing it for a party?

The key to preventing a watery salad, especially for a party, is thorough salting and draining of the cucumbers. After salting and rinsing, ensure you pat the cucumber slices very dry with paper towels or a clean kitchen cloth. You can even gently press them to squeeze out more moisture. For extra precaution, if making it ahead, store the dressed salad in a colander set over a bowl in the refrigerator; this allows any additional liquid that might accumulate to drain away, keeping your salad crisp. Give it a quick toss before serving.

What if I don’t like raw red onion?

If the pungent taste of raw red onion is too strong for your palate, there are a couple of easy solutions. First, ensure you slice the onion as thinly as possible; thinner slices tend to be milder. Second, after slicing, you can soak the red onion slices in a bowl of ice water for about 10-15 minutes. This technique significantly mellows their sharp flavor and can also make them even crisper. Alternatively, you can use a sweeter onion variety, such as a Vidalia or a yellow sweet onion, which naturally have a milder flavor profile.

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4.72 from 7 votes

Cucumber Onion Salad

By Julia Jolliff
Prep: 20 minutes
Total: 20 minutes
Servings: 6
Cucumber Onion Salad 1200 x 1200
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This Cucumber Onion Salad is a simple salad mixing together crisp cucumbers, thinly sliced red onion and tossed in a light tangy dressing with fresh dill. It’s the perfect refreshing side for summer BBQs, picnics, and any meal needing a bright, zesty touch.

Ingredients 

  • 2 large English cucumbers, thinly sliced into 1/4-inch rounds
  • 2 teaspoons sea salt, divided (for salting cucumbers and dressing)
  • 1/2 medium red onion, thinly sliced (paper-thin for best results)
  • 1/4 cup white wine vinegar
  • 2 tablespoons honey
  • 2 tablespoons fresh dill, finely chopped
  • 1/4 teaspoon freshly ground black pepper

Instructions 

  • Prepare the Cucumbers and Onion: Wash the cucumbers thoroughly and trim off their ends. Using either a sharp chef’s knife or a mandoline slicer for precision, carefully slice the cucumbers into thin, approximately 1/4-inch thick rounds. Peel and thinly slice the red onion, aiming for paper-thin rings or half-moons.
  • Salt the Cucumbers: Place the sliced cucumbers into a colander. Sprinkle about 1/2 teaspoon of the sea salt evenly over them. Let the cucumbers sit for 10-15 minutes; this critical step helps draw out excess moisture, ensuring your salad remains crisp and prevents it from becoming watery. You will observe water collecting in the bowl beneath the colander.
  • After salting, thoroughly rinse the cucumbers under cold running water to wash off the excess salt. Then, pat them very dry with a clean kitchen towel or paper towels. Transfer the now firm and dry cucumber slices to a large mixing bowl.
  • Add Onion to Cucumbers: Add the thinly sliced red onion to the bowl containing the drained and dried cucumbers. Toss gently to combine.
  • Prepare the Vinaigrette Dressing: In a small separate bowl, whisk together the white wine vinegar, honey, the finely chopped fresh dill, the remaining 1/4 teaspoon of sea salt, and the freshly ground black pepper. Whisk vigorously until the honey is fully dissolved and all ingredients are well incorporated. Taste the dressing and adjust seasonings if desired.
  • Dress the Salad: Pour the freshly made vinaigrette dressing over the cucumber and onion slices in the large mixing bowl. Gently toss the salad using tongs or two large spoons, ensuring all the cucumber and onion pieces are thoroughly coated with the flavorful dressing.
  • Chill and Serve: Cover the salad bowl tightly with plastic wrap and refrigerate for at least 30 minutes. This chilling period allows the flavors to deepen and meld together beautifully, enhancing the overall taste and refreshing quality of the salad. For optimal flavor infusion, you can prepare this salad up to 2 hours in advance.
  • Just before serving, give the salad a final taste and adjust the seasoning one last time, adding more salt or pepper if desired.
  • Serve your refreshing Cucumber Onion Salad chilled, garnished with a few extra sprigs of fresh dill for an appealing presentation and an added touch of herbaceous aroma. Enjoy!

Notes

  • STORAGE: Leftovers can be stored covered in an airtight container in the refrigerator for up to 3 days. Be aware that the cucumbers may continue to release more water over time. For best results, gently drain any accumulated liquid before serving again, and a quick stir will refresh the flavors.
  • PRO TIP FOR MILDER ONION: If you find raw red onion too strong, after thinly slicing, place the onion in a bowl of ice water for 10-15 minutes. This process helps to mellow its pungency significantly, making it more palatable for those sensitive to strong onion flavors. Pat dry thoroughly before adding to the salad.
  • MANDOLINE FOR BEST SLICES: While a sharp knife works, a mandoline slicer can achieve perfectly uniform, paper-thin cucumber and onion slices, which not only looks professional but also ensures a consistent texture and better absorption of the dressing. Always use caution and a guard when using a mandoline.

Nutrition

Calories: 42kcal, Carbohydrates: 10g, Protein: 1g, Fat: 0.1g, Saturated Fat: 0.04g, Polyunsaturated Fat: 0.03g, Monounsaturated Fat: 0.01g, Sodium: 779mg, Potassium: 171mg, Fiber: 1g, Sugar: 8g, Vitamin A: 116IU, Vitamin C: 4mg, Calcium: 21mg, Iron: 0.4mg

Nutrition information is automatically calculated, so should only be used as an approximation.

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