Salads & Side Dishes

Cucumber Salad with Dill, Red Onion, and Lemon Zest

The first forkful of cucumber salad should taste cool and sharp, with dill caught between the slices and enough dressing to gloss them. The disappointment comes later, when a puddle collects underneath and the last serving tastes weaker than the first. A short draining step helps you manage that change before the dressing goes on.

This version pairs thin English cucumber rounds with red onion, fresh dill, and lemon zest. White vinegar supplies the tang; a little sugar rounds its edge without making the vegetables taste candied. Olive oil adds a smooth finish, but the bowl stays light enough to sit beside potatoes, rice, or a warm chickpea dish.

You will salt the cucumbers for 20 minutes, blot them gently, and dress them shortly before serving. They still release some liquid as they sit, so this is a fresh side dish rather than a weeklong meal-prep salad. Make the dressing while the slices drain, then leave just enough time for a brief chill.

I tend to reach for this when I want something cold and sharp on the table without adding another dish that needs cooking or last-minute attention.

Cucumber salad with thin rounds, red onion, fresh dill, and lemon zest
Table of Contents

Why This Cucumber Salad Holds Its Flavor

  • Draining the sliced cucumbers removes some water before it can dilute the dressing.
  • Thin-skinned English cucumbers need little preparation and have a smaller seed cavity than many slicing varieties.
  • A brief cold-water soak softens the raw onion’s sharp bite.
  • Lemon zest adds citrus aroma without another pour of acidic liquid.
  • A short final chill gives the dill time to mingle while the slices retain a fresh bite.

Quick Cucumber Salad Snapshot

  • Prep time: About 15 minutes
  • Cook time: 0 minutes
  • Draining time: 20 minutes
  • Final chilling time: 10 minutes
  • Total time: Allow about 45 minutes
  • Servings: 4 side portions
  • Difficulty: Easy
  • Calories: Approximately 100 per serving
  • Key ingredient: Firm English cucumbers
  • Best for: A chilled side with a warm meal

Some preparation overlaps with draining, so your actual elapsed time may be slightly shorter.

Cucumber Salad Nutrition Information

  • Calories per serving: Approximately 100
  • Protein: 1 gram
  • Carbs: 9 grams
  • Fat: 7 grams
  • Fiber: 1 gram
  • Sugar: 5 grams
  • Sodium: Up to approximately 440 milligrams
  • Serving size: One-quarter of the recipe
  • Servings per recipe: 4

Olive oil supplies most of the calories, while cucumbers and onion provide the vegetable portion. Sodium is estimated using all the measured salt; the amount you eat will be lower if some leaves with the drained liquid.

Nutrition information is estimated per serving based on standard ingredient quantities. The exact values can differ based on the brands chosen and the size of each serving.

Ingredients for Cucumber Salad

Cucumbers, onion, and herbs

  • 2 English cucumbers, about 700 grams total: Choose firm ones without soft ends. Persian cucumbers work by the same weight.
  • Three-quarters teaspoon fine sea salt, about 4.5 grams: Seasons the slices and helps draw out water. If using coarse salt, measure by weight rather than volume.
  • One-quarter cup thinly sliced red onion, about 40 grams: Adds color and bite. Sliced scallion greens are a gentler alternative.
  • 2 tablespoons chopped fresh dill: Dry it after washing so its rinse water does not enter the dressing. Fresh mint offers a different herbal direction.

For cucumber salad made with regular slicing cucumbers, peel tough skin and scoop out large, watery seeds before weighing the flesh. Slice the halves into half-moons. Using 700 grams of prepared cucumber keeps the salt and dressing amounts consistent even when more trimming is necessary.

Vinegar dressing

  • 2 tablespoons distilled white vinegar, labeled 5% acidity: Provides a clean, direct tang. Apple cider vinegar can replace it.
  • 2 tablespoons extra-virgin olive oil: Softens the vinegar’s edge. Use a mild oil if a peppery olive oil would overwhelm the herbs.
  • 1 teaspoon granulated sugar: Balances the dressing. An equal amount of maple syrup is an alternative.
  • 1 teaspoon finely grated lemon zest: Use only the yellow layer, leaving the bitter white pith behind.
  • One-quarter teaspoon freshly ground black pepper: Adds a quiet warm finish. Reduce it if serving sensitive palates.

For more combinations built around a tangy dressing, see [INTERNAL LINK: vinegar based salads]. Measure the cucumber weight before comparing dressing amounts across recipes, since two cucumbers can vary greatly in size.

English cucumbers, dill, red onion, lemon, vinegar, oil, salt, sugar, and pepper

Equipment Needed

  • Colander set over a bowl: Keeps the slices above the liquid they release.
  • Sharp knife or guarded mandoline: Aim for even slices; use the hand guard throughout if choosing a mandoline.
  • Kitchen scale: Useful for matching the cucumber and salt quantities when produce sizes vary.
  • Clean, lint-free towel: Blots moisture without leaving fibers behind; paper towels also work.
  • Small lidded jar: Lets you shake the dressing again if the oil separates before serving.

Preparation Before Slicing

  1. Wash the whole cucumbers under running water, gently scrubbing with a clean produce brush.
  2. Dry the cucumbers and washed dill with a clean towel.
  3. Wash and dry the lemon before removing its zest.
  4. Set the colander over a bowl with space underneath for drainage.
  5. Measure the salt separately so the dressing does not receive a second accidental dose.

How to Make Cucumber Salad

  1. Slice the cucumbers. Trim the ends and cut into rounds about one-eighth inch, or 3 millimeters, thick. Leave tender skins on.
  2. Salt and drain. Toss the rounds with the measured salt in the colander and refrigerate over the bowl for 20 minutes. Chef’s Note: Turn the slices once halfway through so the salt reaches them evenly.
  3. Soak the onion. Cover the thin onion slices with cold water for 5 minutes while the cucumbers drain, then drain and pat dry.
  4. Shake the dressing. Combine vinegar, olive oil, sugar, lemon zest, and pepper in the jar; close and shake until the sugar dissolves. Chef’s Note: Leave out extra salt until you have tasted a dressed cucumber.
  5. Blot the slices. Discard the drained liquid and pat the cucumbers dry on a clean towel. Chef’s Note: Press lightly instead of wringing, which can tear thin rounds.
  6. Dress the salad. Toss cucumbers, dried onion, and dill in a bowl with the shaken dressing until the slices look lightly coated.
  7. Chill briefly. Cover and refrigerate for 10 minutes, then lift and turn the slices once before tasting.
  8. Serve. Divide among four side plates, using a slotted spoon if liquid has collected underneath.

A little liquid is normal: Salting reduces later dilution, but it does not remove all the water inside a cucumber. Do not keep adding vinegar just because a small pool appears.

Salted cucumber rounds draining in a colander above collected liquid

Expert Tips for Cucumber Salad

  • Keep slices close to the same thickness. Paper-thin edges soften faster than chunky centers and make the bowl feel uneven.
  • Blot onion as carefully as cucumber. Water carried over from its soak can undo part of the draining step.
  • Tear large dill sprigs into smaller pieces before chopping. Thick stems catch between slices and can feel stringy.
  • For advance preparation, refrigerate dressing and undressed, dried vegetables separately for up to 24 hours. Count that day toward the total storage window.
  • Eat dressed leftovers within 2 days at 40°F or below. Use a slotted spoon when serving them because more liquid collects overnight.
  • Taste a complete forkful after chilling. Onion, dill, and dressing together give a better guide than tasting vinegar from the bottom of the bowl.

Working with English cucumbers, one early batch I forgot to pat the soaked onion dry, and the extra water it carried into the bowl was enough to dilute the dressing by the time I served it.

When Cucumber Salad Turns Watery or Harsh

  • The dressing becomes weak. Wet vegetables or a long wait can dilute it. Drain and blot before dressing; if already watery, lift out the slices and taste before adding a little fresh dressing.
  • The salad tastes too salty. Salt volume varies by crystal size, and smaller cucumbers need less. Match the weights; briefly rinse undressed slices if necessary, then blot thoroughly before continuing.
  • The vinegar dominates. Too little cucumber or extra acid changes the balance. Measure both; soften a sharp finished portion with a few more cucumber slices and a small drizzle of oil.
  • The onion overwhelms the dill. Thick onion pieces keep a stronger bite. Slice thinly and soak briefly; remove some from the finished bowl if its flavor remains too assertive.
  • The rounds tear or wilt. Very thin slicing, squeezing, or extended marinating damages their structure. Use a gentle toss; serve softened leftovers promptly instead of trying to make them crisp again.

After a batch where the onion flavor was still quite sharp even after the cold water soak, I sliced the pieces thinner than before and soaked them for the full 5 minutes, which made the raw edge noticeably quieter in the finished bowl.

Intact thin cucumber slices lifted with dill and a red onion sliver

Storing Cucumber Salad

  • Room temperature: Limit time out of refrigeration to 2 hours total, or 1 hour above 90°F.
  • Refrigerator: Keep covered at 40°F or below and use within 2 days. The texture is best on the day of preparation.
  • Freezer: Not recommended for this fresh salad; thawed cucumber loses its crisp texture.
  • Reheating: Not needed. Serve cold; if refrigerated olive oil looks cloudy, toss and let the portion stand for about 5 minutes.
  • Make-ahead: Hold prepared vegetables and dressing separately for up to 24 hours, then combine shortly before serving.
  • Transport: Carry cucumber salad in an insulated cooler with ice packs and keep it chilled until serving.

Vinegar does not make this shelf-stable: This fresh side dish is not a canning recipe. Keep it refrigerated and discard any portion left out beyond the stated limit.

By day two the slices had softened a little and a small pool of liquid had collected at the bottom of the container, so I lifted them out with a slotted spoon and gave them a quick toss before serving.

Plan the rest of the meal with [INTERNAL LINK: make ahead side dishes] so you can dress this bowl close to serving time.

Cucumber Salad Variations

  • Spicy dill: Add one-quarter teaspoon crushed red pepper to the dressing. Let it sit through the final chill before deciding whether to add more.
  • Milder onion: Use 2 tablespoons red onion instead of one-quarter cup. Keep the cold-water soak and reduce black pepper by half.
  • Creamy: Replace the olive oil with one-quarter cup plain Greek yogurt and reduce vinegar to 1 tablespoon. The drained slices need only a thin coating.
  • Tomato addition: Add 1 cup halved cherry tomatoes, about 150 grams, immediately before serving. Their juice makes long holding less useful, so dress only what you need.
  • Mint instead of dill: Substitute 2 tablespoons chopped fresh mint. Keep the lemon zest and fold the leaves in gently to avoid bruising.

The base cucumber salad is vegetarian and dairy-free. For gluten-free needs, check packaged ingredients and use the specified distilled white vinegar; the yogurt variation introduces dairy.

What to Serve with Cucumber Salad

  • Roasted potatoes: Crisp edges and warm centers contrast with the chilled vegetables. Browse [INTERNAL LINK: roasted potato side dishes] for a matching tray.
  • Chickpea bowls: Spoon the salad beside warm spiced chickpeas, letting the vinegar brighten each bite.
  • Rice pilaf: A simple rice dish absorbs a little dressing without competing with the dill.
  • Eggs and toast: A small side portion adds crunch to a savory breakfast or light lunch.
  • Sparkling water: Serve plain or with lemon for a cool drink that leaves the herbs easy to taste.
Dill cucumber salad served beside roasted potatoes, chickpeas, and sparkling water

Cucumber Salad FAQs

Should I rinse the cucumbers after salting?

Not routinely with the measured salt and cucumber weight used here. Drain, blot, and taste one slice before adding the dressing. If it tastes overly salty, give the slices a brief cold-water rinse and dry them thoroughly afterward. This removes some surface salt, but it does not reverse a long soak or repair damaged slices. Weighing the cucumbers and salt makes the next batch easier to repeat.

Can dried dill replace fresh dill?

Yes, start with 2 teaspoons dried dill in place of the 2 tablespoons fresh dill. Add it to the dressing so it has time to soften during preparation and chilling. Its flavor will be less grassy and its appearance less feathery, but it still suits the vinegar and onion. Taste a dressed slice before adding more, since the strength of dried herbs changes with age and storage.

How long should cucumbers sit in salt?

Use 20 minutes for these thin English cucumber rounds, keeping the colander and catching bowl in the refrigerator. You should see some liquid underneath, but the slices should remain intact and easy to lift. More time does not automatically produce a better salad; it can make thin rounds more flexible and saltier. If you switch to thick chunks or a different cucumber, treat that as a separate texture test.

Can I prepare cucumber salad the night before?

Yes, preferably by storing the prepared, drained vegetables and dressing separately, then combining them before serving. Dry the onion well and keep everything covered in the refrigerator. The next day, pour away any new cucumber liquid before tossing. If you already dressed the salad, it can still be served within the two-day storage window, but expect softer slices and more diluted dressing. The preparation day counts toward that limit.

Does the vinegar turn this salad into pickles?

No, adding vinegar to a fresh salad does not make it a tested preserved product. This dressing is designed for flavor, not a verified acidity level throughout the vegetables or a shelf-stable canning process. Refrigerate cucumber salad even though it tastes tangy. If you want pickles to store longer, follow a tested refrigerator-pickle or canning recipe with its specified ingredients, proportions, handling steps, and storage instructions.

Dress Only What You Plan to Serve

A smaller serving bowl can help you keep the texture you worked for. Put out enough for the meal and leave the extra portion chilled, with dressing separate when possible. If dinner stretches on, bring out another small helping instead of letting the entire batch warm on the table.

Before refilling, lift the slices and check the liquid underneath. A quick toss may be all they need; extra vinegar should follow a taste, not the sight of a puddle. This keeps cucumber salad balanced while letting the dill, onion, and lemon zest remain distinct. A slotted spoon is useful right through the last serving.

The 10-minute chill at the end is shorter than it sounds and worth keeping, because the dill flavor settles into the slices in a way that a fresh toss straight from the blotting step just does not produce.

If you loved this recipe, save it to your fresh salad recipes Pinterest board so you can find it easily later!

Cucumber salad with thin rounds, red onion, fresh dill, and lemon zest

Cucumber Salad with Dill and Lemon Zest

Thin English cucumber rounds salted and drained, then tossed with red onion, fresh dill, lemon zest, white vinegar, olive oil, and a touch of sugar. Light, crisp, and tangy.
Prep Time 15 minutes
Draining and Chilling Time 30 minutes
Total Time 45 minutes
Servings: 4
Course: Salad, Side Dish
Cuisine: American, Asian-inspired
Calories: 100

Ingredients
  

Cucumbers and Vegetables
  • 2 English cucumbers about 700 g total, trimmed and sliced ⅛ inch thick
  • ¾ teaspoon fine sea salt
  • ¼ cup 40 g red onion, thinly sliced
  • 2 tablespoons fresh dill chopped
Vinegar Dressing
  • 2 tablespoons distilled white vinegar 5% acidity
  • 2 tablespoons extra-virgin olive oil
  • 1 teaspoon granulated sugar
  • 1 teaspoon lemon zest finely grated
  • ¼ teaspoon ground black pepper

Equipment

  • Colander set over a bowl
  • Sharp knife or mandoline
  • Small lidded jar (for the dressing)

Method
 

  1. Trim the cucumber ends and slice into rounds about ⅛ inch (3 mm) thick. Toss with the measured salt in a colander set over a bowl. Refrigerate for 20 minutes, turning the slices once halfway through.
  2. While the cucumbers drain, cover the red onion slices in cold water for 5 minutes, then drain and pat dry.
  3. Combine the vinegar, olive oil, sugar, lemon zest, and pepper in a small jar. Close and shake until the sugar dissolves.
  4. Discard the drained cucumber liquid. Blot the cucumber rounds gently on a clean towel, pressing lightly without tearing.
  5. Toss the cucumbers, dried onion, and dill in a bowl with the shaken dressing until lightly coated.
  6. Cover and refrigerate for 10 minutes. Lift and turn the slices once, then taste before adjusting. Serve with a slotted spoon if liquid has collected underneath.

Notes

  • Make ahead: Store the drained, dried cucumbers and dressing separately in the refrigerator for up to 24 hours. Combine them close to serving time. That preparation day counts toward the 2-day storage window.
  • Store dressed leftovers covered at 40°F or below for up to 2 days. Use a slotted spoon when serving because more liquid collects overnight. Do not add extra vinegar just because a small pool appears.
  • For dried dill: use 2 teaspoons in place of 2 tablespoons fresh. Add it to the dressing so it softens during chilling.

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