Simple Cucumber Celery Salad with Green Apple
There is a specific kind of lunch that certain days require — not warm and comforting, not rich and filling, but cold and crisp and clean in a way that makes the rest of the afternoon feel manageable rather than like something to be survived. This cucumber celery salad with green apple is that lunch. It is the antidote to a heavy morning, the reward after a week of cooking things that took longer than 20 minutes, and the salad that makes people who claim not to like celery reconsider their position entirely.
Celery is one of the most underappreciated vegetables in the salad category — it is usually treated as a supporting actor (in stocks, in mirepoix, in chicken salad where it is diced small and mostly forgotten) and almost never given the starring role it earns when sliced diagonally and dressed well. In this salad, celery is the structural backbone: its crunch, its slightly bitter, subtly herbaceous flavour, and its water content make it the perfect partner for the cool freshness of cucumber and the tart brightness of green apple.
Ten minutes. No cooking. A bowl that tastes like someone thought about what crunch, brightness, and freshness mean when they are all working together.
Why Green Apple Is the Right Apple Here
Green apple — Granny Smith specifically — is the choice for this salad because it provides the tartness that the salad needs to balance the mildness of the cucumber and the bitterness of the celery. A sweet red apple in the same salad would tip the balance too far toward sweetness and produce a salad that tastes like fruit rather than a savoury vegetable dish with a fruit element in it. Granny Smith’s tartness functions as an additional acid source in the salad alongside the vinegar in the dressing — it brightens the cucumber and celery from within the salad rather than just from the surrounding liquid.
The green colour also matters for visual coherence — the cucumber green, the celery green, and the Granny Smith green together produce a bowl that looks deliberately composed even when it was assembled in 10 minutes from whatever was in the vegetable drawer.
- Prep Time: 10 minutes
- Cook Time: 0 minutes
- Total Time: 10 minutes (plus 15 minutes optional resting)
- Yield: 2 servings as a main, 4 as a side
What You Need
For the salad:
- English cucumber: 1 large, thinly sliced into rounds or half-moons — English cucumber is preferred over regular cucumber because the skin is thinner and edible, the seeds are smaller and less watery, and the flavour is milder and sweeter. No peeling required. A mandoline produces the most uniform, paper-thin slices; a sharp knife produces slightly thicker slices with more textural presence.
- Celery stalks, sliced diagonally: 4 large stalks — the diagonal cut is not merely decorative; a diagonal slice increases the surface area of each piece and produces a more substantial, more interesting piece than a straight crosscut. Slice at approximately 45 degrees into pieces about 1/2 inch thick.
- Granny Smith apple, julienned or thinly sliced: 1 large — core and quarter the apple, then cut into thin matchstick strips (julienne) for the most elegant presentation, or simply slice thinly if julienning is more effort than the occasion warrants. Toss the cut apple immediately in 1 teaspoon of lemon juice to prevent browning.
- Fresh dill, roughly chopped: 3 tablespoons — the herb that connects the cucumber and the apple and adds the specific fresh, slightly anise note that makes this salad taste specifically of something rather than generically of vegetables. Dill and cucumber is one of the great natural herb pairings.
- Fresh mint leaves, torn: 2 tablespoons — amplifies the freshness and adds a cooling quality that makes the salad taste specifically cold even at room temperature
- Toasted walnuts or pepitas, roughly chopped: 1/4 cup — the crunch element that makes the salad satisfying rather than just refreshing; toast them in a dry skillet for 3 to 4 minutes until fragrant
- Goat cheese or feta, crumbled: 1/3 cup — optional but adds the creamy, tangy element that makes the salad feel complete rather than just clean; goat cheese is creamier and milder; feta is sharper and saltier
- Thinly sliced red onion or shallot: 2 tablespoons — very finely sliced; shallot is milder and preferred if raw onion sharpness is a concern
For the apple cider vinaigrette:
- Apple cider vinegar: 2 tablespoons — connects the dressing to the apple in the salad and provides a fruity, slightly sweeter acidity than white wine vinegar
- Extra-virgin olive oil: 3 tablespoons
- Fresh lemon juice: 1 tablespoon
- Dijon mustard: 1 teaspoon — emulsifies the dressing and adds a subtle sharpness
- Honey: 1 teaspoon — balances the vinegar’s acidity without sweetening the dressing perceptibly
- Garlic clove, finely grated: 1/2 — a small amount; this salad should taste of cucumber and apple, not garlic
- Fine sea salt: 1/2 teaspoon
- Black pepper: 1/4 teaspoon
- Celery seeds: 1/4 teaspoon — optional but specifically excellent; celery seeds amplify the celery flavour already in the salad and give the dressing a slightly unusual, specifically savoury quality
🍽️ Equipment I Need
One knife, one bowl, done:
- Sharp Chef’s Knife — the star of the show; a sharp knife makes paper-thin slices effortless and keeps the celery and apple from bruising.
- Large Cutting Board — you will be slicing a lot of crunchy things; give yourself room.
- Box Grater or Mandoline (optional) — for perfectly even thin slices if your knife work wants a little support.
- Serving or Meal-Prep Bowl Set — one big bowl for tossing, lidded jars if you are packing lunches.
- Small Jar with a Lid — shake the dressing in thirty seconds; extra keeps in the fridge all week.
- Salad Servers or Tongs — for the gentle final toss once everything is sliced.
How to Make It
- Make the dressing: whisk all the vinaigrette ingredients together in a small bowl or shake in a sealed jar until emulsified. Taste and adjust — a little more honey if the vinegar is too sharp, a little more lemon if it needs brightness.
- Core and slice or julienne the green apple. Immediately toss with the 1 teaspoon of lemon juice to prevent browning and set aside.
- Combine the sliced cucumber, diagonal celery, and red onion or shallot in a wide, shallow bowl. Pour approximately 2/3 of the dressing over the top and toss to coat.
- Add the apple, dill, and mint. Toss gently to distribute evenly.
- If using goat cheese or feta, scatter over the top — do not toss it in or it will break into dust. Let it sit on the surface as visible pieces.
- Scatter the toasted walnuts or pepitas over everything. Drizzle the remaining dressing over the top.
- Serve immediately for the most crunch, or rest for 10 to 15 minutes for a slightly more integrated, slightly less crunchy salad where the vegetables have absorbed some of the dressing. Both versions are good; they are different salads that happen to be made from the same bowl.
Cucumber celery green apple salad alongside our Chickpea Feta Avocado Salad is the cold vegetarian lunch combination that covers every direction the appetite could go — the cucumber salad for brightness and crunch, the chickpea salad for substance and protein, both cold, both no-cook, both ready in 10 minutes, and together more satisfying than either alone. This is the two-bowl lunch that makes weekday eating feel like something that was considered rather than assembled under time pressure.
The Diagonal Cut, the Apple Timing, and the Rest Period
Cutting celery on the diagonal produces a piece that is more visually appealing than a straight crosscut but also more practically useful in a salad — the increased surface area from the angled cut means more of each piece is coated in dressing and more of each piece makes contact with the tongue in a single bite. It is the same reason bias-cut pasta shapes hold sauce better than straight-cut ones. The diagonal is doing structural work, not just aesthetic work.
The apple cut in lemon juice immediately after slicing prevents enzymatic browning — the polyphenol oxidase in apple flesh reacts with oxygen on the cut surface and produces the brown discolouration that makes a beautiful julienned apple look tired within 10 minutes of cutting. Lemon juice (an acid) inhibits the enzyme and slows the reaction considerably. A teaspoon of lemon juice on the cut apple buys approximately 30 to 45 minutes of visual freshness — enough for preparation, assembly, and photographing before the salad goes to the table.
The 10 to 15-minute rest option is genuinely a different salad than the immediately-served version. Immediately served: maximum crunch, bright separate components, the dressing present on the surface of each ingredient. After 15 minutes: the cucumber has released a small amount of moisture that dilutes the dressing very slightly and produces a more cohesive, less texturally distinct bowl where the flavours have begun to integrate. Which is better depends entirely on preference — the immediate version is more about individual ingredients; the rested version is more about the combination. Worth trying both to know which you prefer.
What to Serve This With
As a cold vegetarian lunch, this salad is light enough to stand alone as a starter but most naturally eaten alongside something more substantial — a thick slice of sourdough bread with good butter, a bowl of hummus with pita, or a scoop of cottage cheese alongside for protein. The salad provides freshness and crunch; whatever accompanies it provides the fullness.
As a dinner side, this salad’s cold crunch makes it the natural counterpoint to anything warm and rich from the oven — alongside our French Onion Chicken Bake, the cold, bright, acidic salad provides exactly the contrast the rich, caramelized-onion-and-Gruyère chicken benefits from. Hot and cold, rich and bright, soft and crunchy — the same contrasts that make any composed plate satisfying rather than one-dimensional.
Variations That Change the Character Completely
Asian-Inspired Version: Replace the apple cider vinegar with rice wine vinegar. Replace the Dijon with 1 teaspoon of sesame oil and 1/2 teaspoon of soy sauce. Replace the dill and mint with fresh cilantro and Thai basil. Replace the walnuts with toasted sesame seeds. Add 1 teaspoon of freshly grated ginger to the dressing. Skip the goat cheese. The Asian-inspired version is lighter, more aromatic, and completely different in character from the original — the same structural vegetables (cucumber, celery, apple) with an entirely different flavour language. Serve as a side to salmon or tofu.
Waldorf Direction: Add 1/2 cup of halved red grapes alongside the green apple. Replace the goat cheese with 1/4 cup of mayonnaise-based dressing (3 tablespoons mayonnaise, 1 tablespoon lemon juice, 1 teaspoon honey, salt and pepper). Use walnuts as the nut. Replace the dill and mint with fresh flat-leaf parsley. The Waldorf direction is richer, creamier, and more specifically American in character — the mayonnaise dressing against the celery and apple is the classic combination that makes the Waldorf salad one of the most enduring recipes in American cooking. Good for a sandwich filling or served in lettuce cups.
With Cucumber Ribbons: Instead of sliced rounds, use a vegetable peeler to create long, thin cucumber ribbons by running the peeler lengthwise down the cucumber. The ribbons tangle with the celery and apple in a more textural, more visually interesting way than rounds — they also wilt slightly more quickly, so serve immediately when using ribbons rather than after a rest period.
Winter Version: Replace the cucumber with 2 cups of thinly shaved fennel (use a mandoline or very sharp knife). Keep the celery and green apple. Replace the dill and mint with fresh tarragon and parsley. The fennel and green apple combination is one of the most naturally complementary in the winter salad category — both slightly anise-flavoured, both with a pleasant crunch, and both brightened by the same apple cider vinaigrette. Add shaved Parmesan rather than goat cheese.
Nutritional Information
| Nutrient | Amount Per Serving (as a main, based on 2 servings, with goat cheese and walnuts) |
|---|---|
| Calories | 285 kcal |
| Protein | 7 g |
| Carbohydrates | 22 g |
| Fats | 21 g |
285 calories per serving as a main is at the lighter end of any lunch in the collection — this is a refreshing, low-calorie meal by design. The fat comes from the olive oil in the dressing, the walnuts, and the goat cheese; the carbohydrate from the apple and the cucumber’s natural sugars; the protein from the goat cheese and walnuts together. Without the cheese and nuts, the salad drops to approximately 165 calories per serving — genuinely the lightest dish in the collection. Adding 1/2 cup of cooked farro or quinoa as a grain base increases each serving to approximately 380 calories and adds 8 additional grams of protein, turning a light side salad into a complete, sustaining lunch.
Storing and the Celery Discovery
The assembled salad does not store well — the cucumber releases moisture within 30 minutes and the apple browns within 45. For make-ahead purposes, store each component separately: dressed cucumber and celery (keeps 1 day in the fridge — the salted, dressed vegetables will release some moisture which is fine; drain before serving), cut apple in lemon juice (keeps 2 hours, use as soon as possible), herbs and nuts and cheese separate and dry.
The useful discovery about this salad and celery specifically: leftover dressed cucumber and celery from the previous day — slightly more marinated than fresh, cucumber beginning to soften — is genuinely one of the better quick pickles in the refrigerator. The apple cider vinegar in the dressing has had time to penetrate the vegetables and the result is a half-pickled cucumber-and-celery side that is particularly good alongside sandwiches or as a condiment for grilled fish. Nothing is wasted. The leftovers become something different and equally useful.
Mistakes That Leave It Soggy or Bland
Skipping the cucumber salt-drain. The number one cucumber-salad mistake. Un-salted cucumber slices leak their water straight into your dressing, diluting it to nothing and pooling at the bottom of the bowl. Ten minutes, a colander, a pinch of salt — that is all it takes to stay crisp.
Thick, chunky cuts. This salad lives on thin slices. Thick cucumber coins and fat celery chunks fight back, shed dressing, and taste like three separate vegetables instead of one cohesive salad. Take the extra two minutes to slice thin — or let a mandoline do it.
A sweet apple in place of tart. Red Delicious or Fuji slide this toward fruit-salad territory. The Granny Smith’s tartness is structural — it plays the acid note against the honey and matches the lemon. If you must substitute, Honeycrisp is the closest acceptable cousin.
Forgetting the salt in the dressing. Cucumber, celery, and apple are all quietly sweet, and without a confident pinch of salt the whole bowl reads flat. Salt is what turns “healthy-tasting” into “I want the second bowl” — season, taste, and repeat until it sings.
Dressing it hours ahead. Even sturdy salads have limits. Dressed too early, the apple weeps, the seeds soften, and the dill wilts. Components can wait; the toss happens at lunchtime. Your crisp little salad deserves the drama of a last-minute meeting.
Simple Cucumber Celery Salad with Green Apple
A cold, crisp, refreshing 10-minute salad pairing thinly sliced English cucumber, diagonal-cut celery, and tart julienned Granny Smith green apple with fresh dill, mint, toasted walnuts, crumbled goat cheese, and a bright apple cider vinaigrette.
Ingredients
- For the Salad
- English Cucumber, thinly sliced 1 large
- Celery Stalks, sliced diagonally (½” thick) 4 large stalks
- Granny Smith Apple, julienned (+ 1 tsp lemon juice) 1 large
- Fresh Dill, roughly chopped 3 tbsp
- Fresh Mint Leaves, torn 2 tbsp
- Toasted Walnuts or Pepitas, roughly chopped ¼ cup
- Goat Cheese or Feta, crumbled (optional) ⅓ cup
- Thinly Sliced Red Onion or Shallot 2 tbsp
- For the Apple Cider Vinaigrette
- Apple Cider Vinegar 2 tbsp
- Extra-Virgin Olive Oil 3 tbsp
- Fresh Lemon Juice 1 tbsp
- Dijon Mustard 1 tsp
- Honey 1 tsp
- Garlic Clove, finely grated ½ clove
- Fine Sea Salt ½ tsp
- Black Pepper ¼ tsp
- Celery Seeds (optional) ¼ tsp
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How to Make It
- Make the dressing Whisk all the vinaigrette ingredients together in a small bowl or shake in a sealed jar until emulsified. Taste and adjust — a little more honey if the vinegar is too sharp, or a little more lemon if it needs brightness.
- Prep and toss the green apple Core and slice or julienne the Granny Smith green apple. Immediately toss with 1 teaspoon of lemon juice to prevent browning and set aside.
- Dress the cucumber, celery, and onion Combine the sliced cucumber, diagonal celery, and red onion or shallot in a wide, shallow bowl. Pour approximately ⅔ of the dressing over the top and toss to coat.
- Toss in the apple and fresh herbs Add the apple, chopped dill, and torn mint. Toss gently to distribute evenly.
- Scatter the cheese on top If using goat cheese or feta, scatter over the top — do not toss it in or it will break into dust. Let it sit on the surface as visible pieces.
- Add toasted nuts and remaining dressing Scatter the toasted walnuts or pepitas over everything and drizzle the remaining ⅓ of the dressing over the top.
- Serve crisp or briefly rested Serve immediately for maximum crunch, or rest for 10 to 15 minutes for a slightly more integrated salad where the vegetables have absorbed some of the dressing.
Nutritional Information
| Nutrient | Amount Per Serving (as a main, based on 2 servings, with goat cheese & walnuts) |
|---|---|
| Calories | 285 kcal |
| Protein | 7 g |
| Carbohydrates | 22 g |
| Fats | 21 g |
Values are estimates based on 2 main servings with goat cheese and walnuts. Without cheese and nuts, each serving is ~165 kcal.
