Short version: slice thin, salt 20 minutes, squeeze, then dress.
Jump to Recipe ↓A cucumber is around ninety-six percent water, which is the single fact that determines whether this recipe works. Slice it, dress it, and within fifteen minutes the salt in the dressing has pulled that water out into the bowl, and what you have is cucumber floating in diluted vinegar.
Salting first moves that process forward on purpose. Twenty minutes in salt draws out a genuinely surprising amount of liquid, you pour it away, and the cucumber that remains is denser, crisper, and will hold a dressing at full strength rather than watering it down.
The other half is the slice. Thin enough to bend, around an eighth of an inch, so the dressing coats rather than sits alongside. This is one of the few recipes where a mandoline earns its place, though a sharp knife and some patience get you there.
What Your Board Looks Like
Ten minutes of work, and almost all of it is one repeated cut. The main thing the board has to do is stay still while you make a lot of identical thin slices, because consistency is what this dish is judged on.
Around half a cup, the smallest load in this batch: cucumber ends, the stabilizing sliver, onion skin and root end, dill stem bottoms. Small but slippery. Cucumber ends and trimmings roll off a board readily, and the board will be wet by the time you finish slicing.
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Cucumber Salad
Ten minutes of work, twenty of salting, and it keeps three days. Makes about 4 cups.
Ingredients
For the salad
- 2 largeEnglish cucumberssliced 1/8 inch thick
- 1/2 mediumred onionsliced thin root to tip
- 2 tspfine saltfor drawing out water, mostly rinsed away
- 2 tbspfresh dillroughly chopped
For the dressing
- 1/3 cupsour creamor Greek yogurt
- 2 tbspwhite wine vinegar
- 1 tbspgranulated sugar
- 1 tspDijon mustard
- black pepperto taste
Method
- Slice thin and evenFlatten one side of each cucumber with a thin lengthwise cut so it cannot roll, then slice across at about an eighth of an inch. Even thickness matters more than absolute thinness, because uneven slices salt and soften at different rates.
- Salt and wait twenty minutesToss the cucumber and onion with the salt in a colander over a bowl. You will draw off somewhere between a third and a half cup of water in twenty minutes, which is water that would otherwise have ended up in your dressing.
- Rinse and dry properlyRinse under cold water to take off the surface salt, then dry the slices between two clean tea towels, pressing rather than wringing. Wringing breaks the slices up. This drying step is where most people under-commit.
- Mix the dressingWhisk the sour cream, vinegar, sugar, Dijon, and pepper together. Taste it before it goes near the cucumber. It should read as slightly too sharp on its own, because the cucumber will soften it.
- Combine and chillFold the cucumber, onion, and dill through the dressing and give it fifteen minutes in the fridge. Because the water is already gone, it will still be crisp tomorrow.
Make It Ahead
Salted and dried properly, this holds far longer than an unsalted cucumber salad, which is good for about twenty minutes.
Getting It Right
Salting is the recipe
Everything else here is assembly. Twenty minutes of salting and a firm dry pulls out the water that otherwise dilutes the dressing into a thin pool, and it is why homemade cucumber salad usually goes watery within the hour. This is the same principle as salting cabbage for coleslaw.
Slice to an even eighth of an inch
Thin slices bend around the dressing and coat properly. Thick slices sit in it. More importantly, uneven slices give you some pieces that have gone floppy and others still raw-tasting, because they salt at different rates.
Flatten the cucumber before slicing
One thin lengthwise cut so it sits flat on the board. A round cucumber rolls under the knife, which is both a consistency problem and the most likely way to cut yourself in this recipe.
English or Persian cucumbers
Both have thin skins and small seeds, so there is no peeling or seeding to do. Standard field cucumbers have waxed skins and a large watery seed core, and both need removing, which is more work for a worse result.
Slice the onion with the grain
Root to tip rather than across. Strips cut this way hold their shape in the dressing and taste slightly milder. Rings cut across break apart and go limp.
Upgrade Your Prep Workflow: The ROO Bundle
This recipe is one repeated cut done a hundred times, which makes it entirely about the board being still. Slicing thin, even rounds requires the board to be a fixed reference point, and any drift shows up immediately as inconsistent thickness. It is also a wet job: cucumber releases liquid as you slice, so the board gets slippery exactly as the pile of slices grows. The ROO Mat grips the counter as the surface gets wet, and the pouch takes the ends and trimmings, which is a small load but a slippery one that rolls off a board readily.
Upgrade Your Prep Workflow: Get the ROO Bundle
A board that stays gripped as it gets wet, for a hundred identical slices.
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Frequently Asked Questions
What ingredients are in a cucumber salad?
Cucumber, onion, an acid such as vinegar, and salt at minimum. The creamy version adds sour cream or yogurt, sugar, and dill. The vinegar version drops the dairy and leans on vinegar, sugar, and dill alone. Both start with the same salted and drained cucumber.
What is the trick for the most flavorful cucumber salad every time?
Salting the sliced cucumber for twenty minutes and drying it before dressing. It removes the water that would otherwise dilute the dressing to nothing, and it concentrates the cucumber flavor at the same time. A salad made this way tastes distinctly more of cucumber, not less.
What are the ingredients in a 3-ingredient cucumber salad dressing?
Vinegar, sugar, and salt. Equal parts vinegar and water with a tablespoon of sugar and a good pinch of salt is the classic quick version, and it works because the cucumber has already been salted and drained so nothing gets watered down.
What dressing goes best on cucumber salad?
It depends which tradition you are following. A sour cream and dill dressing is the German and Eastern European version and suits a fuller meal. A plain sweetened vinegar dressing is lighter and holds longer. Both need the cucumber salted first.
Do you have to peel cucumbers for cucumber salad?
Not if you use English or Persian cucumbers, which have thin unwaxed skins that add color and a little texture. Standard field cucumbers usually have a waxed skin that is unpleasant to eat and should be peeled, and their large seed core is worth removing too.
Slice thin and even, salt for twenty minutes, dry it properly, then dress. Four steps, one of which most recipes skip, and it is the one that decides whether you are eating a crisp salad or a bowl of diluted dressing.