This salad is the kind you make once and keep in your back pocket forever. It’s crisp, colorful, and loaded with everyday ingredients that actually taste like something. Think juicy tomatoes, crunchy cucumber, a little red onion bite, and a bright, tangy dressing that brings it all together.

It works next to grilled chicken, piled on toast, or eaten straight from the bowl. If you want something refreshing that takes almost no effort, this is it.

Jump to Recipe Card

What Makes This Special

This salad shines because it’s fast, flexible, and ultra-fresh. Everything is raw, so you keep the crunch and the natural sweetness of the vegetables.

The dressing is a simple mix you can shake up in a jar—no fancy tools, no long marinades. It goes with almost anything, from summer cookouts to weekday lunches. Best of all, it tastes great right away and even better after a short chill.

What You’ll Need

2 large cucumbers (English or Persian preferred), sliced into half-moons
3–4 ripe tomatoes (Roma, vine, or cherry), chopped or halved if cherry
1/4 small red onion, thinly sliced
1/4 cup fresh parsley, chopped (or dill, basil, or cilantro)
2–3 tablespoons extra-virgin olive oil
2 tablespoons red wine vinegar (or lemon juice)
1 teaspoon Dijon mustard (optional but recommended for body)
1 small garlic clove, minced or grated
1/2 teaspoon kosher salt, plus more to taste
Freshly ground black pepper, to taste
1/4 teaspoon sugar or honey (optional, to balance acidity)
Pinch of crushed red pepper flakes (optional, for a little heat)
Feta cheese or avocado (optional toppings)

Save

How to Make It

Prep the cucumbers: If using English or Persian cucumbers, no need to peel.Slice lengthwise, scoop seeds only if very watery, then cut into half-moons. Pat with a paper towel to reduce excess moisture.
Chop the tomatoes: Use a sharp knife to keep juices in check. For larger tomatoes, core and chop into bite-size pieces.For cherry tomatoes, halve them.
Slice the onion: Go thin so it blends rather than overpowers. If raw onion is too strong for you, soak slices in cold water for 10 minutes, then drain and pat dry.
Make the dressing: In a small bowl or jar, combine olive oil, red wine vinegar, Dijon, garlic, salt, pepper, and sugar or honey if using. Add red pepper flakes for heat.Whisk or shake until emulsified.
Toss it together: In a large bowl, add cucumbers, tomatoes, onion, and parsley. Pour over the dressing and toss gently to coat. Taste and adjust salt, pepper, or acidity.
Add optional toppings: Crumble feta for creaminess or fold in diced avocado just before serving.Both play well with the tangy dressing.
Chill briefly (optional): Let the salad rest in the fridge for 10–20 minutes to meld flavors. Don’t leave too long or the tomatoes will release more juice.
Serve: Spoon into a shallow bowl so the dressing distributes evenly. Finish with a crack of black pepper and a drizzle of olive oil if you like.

How to Store

Keep leftovers in an airtight container in the fridge for up to 2 days.

The vegetables will soften over time and release some liquid. If you plan to make it ahead, store the dressing separately and toss right before serving. For day-two freshness, add a handful of fresh herbs and a splash of vinegar to wake it up.

Why This Is Good for You

This salad is full of hydrating vegetables with fiber, vitamins, and antioxidants.

Cucumbers help with hydration and add crunch without many calories. Tomatoes bring lycopene and vitamin C. Olive oil provides healthy fats that help your body absorb fat-soluble vitamins.

Fresh herbs add flavor with almost no sodium, keeping things light but satisfying.

Common Mistakes to Avoid

Over-salting too early: Salt draws water from cucumbers and tomatoes. Season, taste, and adjust just before serving to avoid a watery bowl.
Skipping the emulsifier: A little Dijon helps the dressing cling to the vegetables. Without it, the oil and vinegar separate quickly.
Using mealy tomatoes: Choose firm, ripe tomatoes.If they feel grainy or mushy, the texture will drag the salad down.
Chunking the onion too thick: Thick slices overwhelm each bite. Go thin for balance, or soak to mellow.
Over-mixing: Gentle tosses protect the tomato structure and keep the cucumber crisp.

Recipe Variations

Greek-style: Add kalamata olives, feta, and a pinch of dried oregano. Swap red wine vinegar for lemon juice.
Herb-forward: Use a mix of parsley, dill, and mint.Keep the dressing simple with lemon and olive oil.
Creamy: Stir in a spoonful of Greek yogurt or labneh with the dressing. Add cucumber seeds for extra hydration and a softer texture.
Protein boost: Toss in chickpeas, grilled shrimp, or shredded rotisserie chicken to make it a full meal.
Heat lovers: Add thinly sliced jalapeño, a pinch of cayenne, or a splash of hot sauce in the dressing.
Crunch factor: Sprinkle toasted pine nuts, slivered almonds, or pumpkin seeds on top just before serving.
Low-acid tweak: Use rice vinegar and skip mustard. Add a touch more olive oil and fresh herbs for flavor without sharpness.

FAQ’s

Can I make this salad ahead of time?

Yes, but for best texture, keep the dressing separate and toss within an hour of serving.

If fully dressed, it’s fine for a few hours in the fridge, though the tomatoes will release more juice.

What kind of cucumbers work best?

English or Persian cucumbers are ideal because their skins are tender and seeds are small. If using standard garden cucumbers, peel them and scoop out the large seeds to avoid excess water.

Which tomatoes should I use?

Ripe but firm tomatoes are best. Roma, vine-ripened, or cherry tomatoes hold their shape well.

In winter, cherry or grape tomatoes are usually sweeter and more reliable.

How can I reduce the wateriness?

Pat cucumbers dry, use firm tomatoes, and don’t oversalt early. You can also salt the cucumbers lightly and let them drain for 10 minutes, then blot before tossing.

Is there a substitute for red wine vinegar?

Absolutely. Lemon juice, white wine vinegar, or rice vinegar all work.

Each brings a slightly different flavor, so adjust salt and sweetness to taste.

Can I make it without garlic?

Yes. Skip the garlic and lean on herbs, black pepper, and Dijon for depth. A pinch of onion powder can add background flavor without sharpness.

How do I make it dairy-free?

Just leave out the feta.

The salad is naturally dairy-free without it. For creaminess, add avocado or a spoonful of tahini to the dressing.

What should I serve it with?

It pairs well with grilled meats, fish, or tofu. It’s great next to burgers, inside a pita with hummus, or on top of crusty bread with a swipe of ricotta or goat cheese.

Can I use dried herbs instead of fresh?

Fresh herbs are best here.

If you must use dried, stick to a small amount of oregano or dill—about 1/2 teaspoon—and let it sit in the dressing for 10 minutes to bloom.

Related Recipes

In Conclusion

This Cool Cucumber Tomato Salad is the kind of recipe that makes weeknights easier and weekends brighter. It’s quick, clean, and endlessly adaptable to what you have on hand. With a few fresh vegetables and a balanced dressing, you get something that tastes like summer any time of year.

Keep it simple, trust your taste, and enjoy every crisp, juicy bite.