Fresh Cucumber Tomato Salad with sliced cucumbers, cherry tomatoes, and red onions in a white bowl with a serving spoon.

Cucumber Tomato Salad

The first time I made this salad, it was ninety degrees and my kitchen felt like a sauna. I wanted something that didn’t require turning on the stove, something that would actually cool me down instead of adding to the misery. That craving led me to what I now call my cucumber tomato salad , the simplest bowl of summer I know how to make.

My grandmother used to keep a similar dish in her fridge all July long. She’d pull it out at odd hours, standing in front of the open refrigerator door, eating it straight from the glass bowl with a fork she hadn’t bothered to wash. I thought she was strange until I caught myself doing the exact same thing last Tuesday at eleven pm.

What I love most is how it comes together in minutes but tastes like you planned ahead. If you’re into simple summer sides, you might also enjoy my carrot and raisin salad , another no-cook favorite from my kitchen.

What You Need to Make This Recipe

The cucumbers matter more than you’d think. I use English or Persian varieties because their skins are tender and their seeds won’t turn everything watery by day two. The tomatoes need to be ripe enough to give when you squeeze them gently, but not so soft they collapse into mush the moment you slice them. Red onion provides the sharp bite that wakes everything up, though I always soak the slices in cold water first to take the aggressive edge off. A simple red wine vinegar dressing ties it together without competing. For another protein-packed option with similar fresh flavors, try my blackberry chicken salad.

How to Make Cucumber Tomato Salad

I start by slicing the cucumbers into thick half-moons, the kind that hold their crunch. The sound of the knife hitting the cutting board in quick rhythm is satisfying in that particular way that cooking at the end of a long day can be. Tomatoes follow, and I work over the bowl so I don’t lose a drop of their juices. The red onion gets its cold bath while I whisk the dressing , just vinegar, olive oil, a touch of honey, and salt that I grind coarse enough to feel between my teeth.

Everything tumbles together in a big ceramic bowl I stole from my mother’s kitchen in 2019. The vinegar hits the tomatoes and immediately starts drawing out their sweetness; you can smell it happening, that bright acidic lift. I let it sit for ten minutes before the first taste, then adjust. Sometimes it needs more salt. Sometimes more honey. The salad tells you what it wants if you pay attention. For a variation with creamy avocado, check out my tomato cucumber avocado salad.

Pro Tips

Salt your cucumbers first: I toss the sliced cucumbers with a pinch of salt and let them drain in a colander for fifteen minutes. This draws out excess water that would otherwise pool at the bottom of your bowl and dilute the dressing into sadness.

Room temperature tomatoes: Cold tomatoes taste flat and mealy. I pull mine from the fridge an hour before slicing, which wakes up their natural sugars and gives you that explosive summer flavor you’re chasing.

Cut to similar sizes: When the cucumber coins and tomato wedges are roughly the same scale, you get balanced bites instead of chasing runaway cherry tomatoes around your plate with a fork.

My Secret Trick: I save a tablespoon of the tomato juices that collect at the bottom of the cutting board and whisk them directly into the dressing. It sounds small, but it deepens the whole thing into something that tastes like it came from a garden, not a grocery bag.

This cucumber tomato salad rewards patience even though it takes none to assemble.

How to Store Cucumber Tomato Salad

  • Refrigerate in an airtight glass container for up to 3 days; plastic will absorb the garlic and onion odors permanently.
  • Store at 40°F or below; the cucumbers stay crispest when cold but not frozen.
  • Do not freeze; the high water content in cucumbers ruptures cell walls, leaving you with mush upon thawing.
  • Stir before serving leftovers, as the dressing settles; taste and add a fresh pinch of salt to wake everything back up.

Nutritional Benefits

This cucumber tomato salad delivers serious hydration without trying too hard , cucumbers are roughly ninety-six percent water, which makes this as refreshing for your body as it feels on your tongue. The tomatoes bring lycopene to the table, that antioxidant your body actually absorbs better when the fruit is sliced and dressed with a little fat, like the olive oil in this bowl.

FAQs

Can I make this salad ahead of time?

Yes, but with a strategy. Prep all components separately and combine them no more than two hours before serving. The salt and acid will eventually break down the cucumber walls, so timing matters more than effort here.

What type of vinegar works best?

Red wine vinegar is my standard, but champagne vinegar or a mild white wine vinegar both work beautifully. Avoid balsamic; its sweetness and dark color overwhelm the clean, bright thing this salad wants to be.

How do I keep the cucumbers from getting soggy?

Salting and draining is non-negotiable for crisp results. I also store any leftovers with the cucumbers on top of the tomatoes rather than mixed through, which minimizes the surface contact that leads to soggy slices.

Can I add cheese or herbs to this cucumber tomato salad?

Absolutely. Fresh dill or parsley both love this combination, and a crumbled feta or shaved parmesan turns it into something substantial enough for lunch. Add herbs just before serving to preserve their color and volatile oils.

Fresh Cucumber Tomato Salad with sliced cucumbers, cherry tomatoes, and red onions in a white bowl with a serving spoon.
Layla

Cucumber Tomato Salad

A bright, crunchy summer salad that comes together in minutes with ripe tomatoes, crisp cucumbers, and a tangy herb vinaigrette.
Prep Time 15 minutes
Total Time 15 minutes
Servings: 6 servings
Course: Salad, Side Dish
Cuisine: American, Mediterranean
Calories: 89

Ingredients
  

For the Salad
  • 2 medium English cucumber halved lengthwise and sliced 1/4 inch thick
  • 1.5 lbs ripe tomatoes heirloom or vine-ripened, cut into 1-inch chunks
  • 0.5 small red onion thinly sliced into half-moons
  • 0.25 cup fresh parsley roughly chopped
  • 2 tbsp fresh dill roughly chopped
For the Dressing
  • 3 tbsp extra-virgin olive oil
  • 2 tbsp red wine vinegar
  • 1 tbsp lemon juice freshly squeezed
  • 1 tsp Dijon mustard
  • 1 clove garlic minced or grated
  • 0.75 tsp kosher salt plus more to taste
  • 0.25 tsp black pepper freshly ground

Equipment

  • Large Mixing Bowl
  • Small bowl or jar (for dressing)
  • Sharp knife
  • Cutting board

Method
 

Prep the Vegetables
  1. Place sliced cucumbers in a colander, sprinkle with 1/4 teaspoon salt, and toss gently. Let drain for 10 minutes while you prep everything else. This draws out excess water so your salad stays crisp, not soggy. Pat dry with a clean kitchen towel before using.
  2. In a small bowl or jar, whisk together olive oil, red wine vinegar, lemon juice, Dijon mustard, minced garlic, remaining 1/2 teaspoon salt, and black pepper until emulsified. Taste and adjust - it should be bright and tangy.
  3. In a large bowl, combine the drained cucumbers, tomato chunks, sliced red onion, parsley, and dill. Pour the dressing over the top and toss gently with your hands or two large spoons. You want to coat everything without crushing the tomatoes.
  4. Let the salad sit at room temperature for 5 to 10 minutes so the flavors meld. Taste again and add more salt or vinegar if needed. Serve immediately, or chill for up to 2 hours.

Notes

If your tomatoes are very juicy, seed them before cutting to prevent a watery salad. For a heartier version, add 4 ounces of crumbled feta and a handful of Kalamata olives. This salad is best the day it's made - the cucumbers lose their crunch after about 4 hours in the dressing.

Conclusion

I keep coming back to this cucumber tomato salad because it asks so little and gives so much. In a season of complicated grilling projects and elaborate picnic spreads, there’s profound relief in a bowl that needs no heat and no heroics. Make it once and I suspect it’ll live in your rotation the way it lives in mine. For a creamy, cooling variation, try my cucumber yogurt salad next.

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