Crisp Tomato Cucumber Onion Salad

Last July, my neighbor dropped off a basket of tomatoes from her garden, and I stood in my kitchen eating one like an apple, juice running down my wrist. That afternoon I threw together this salad with whatever I had in the crisper drawer, and it is been my go to summer side ever since. There is something about the combination of cold cucumbers and sharp onions that wakes up your palate in the best way.

I made this for a Memorial Day barbecue last year, and my uncle who usually skips salad went back for thirds. He kept asking what I put in the dressing, looking genuinely confused that something so simple could taste so bright and alive. Now every time I see him, he asks if I brought the salad.

Ingredients

• 3 medium ripe tomatoes, diced: Look for tomatoes that feel heavy and have a slight give when you press them, and do not refrigerate them before cutting or they will lose their flavor
• 1 large cucumber, sliced into half-moons: English or Persian cucumbers work best because they have thinner skin and fewer seeds, but regular cucumbers are fine if you peel them first
• 1 small red onion, thinly sliced: Soak the sliced onion in ice water for 10 minutes if you want to mellow out the sharp bite
• 2 tablespoons fresh parsley, chopped: Flat leaf parsley has more flavor than curly, though either works, and you can substitute fresh dill or mint if you prefer
• 3 tablespoons extra virgin olive oil: A good quality olive oil makes a noticeable difference since the dressing is so simple
• 1 tablespoon red wine vinegar: This adds just the right amount of tang without overpowering the vegetables
• 1 teaspoon lemon juice: Fresh squeezed makes the dressing taste brighter and more alive
• ½ teaspoon sea salt: Adjust to taste, but do not skip it entirely or the salad will taste flat
• ¼ teaspoon freshly ground black pepper: Grind it right before you make the dressing for the best flavor

Instructions

Prep your vegetables:

Cut the tomatoes into bite sized chunks, slice the cucumber into thin half moons, and slice the red onion as thinly as you can manage

Make the dressing:

Whisk together the olive oil, red wine vinegar, lemon juice, salt, and pepper in a small bowl until the mixture looks thick and creamy

Combine everything:

Place the tomatoes, cucumber, and onion in a large bowl, pour the dressing over top, and toss gently until everything is coated

Finish with herbs:

Sprinkle the chopped parsley over the salad and give it one last gentle toss before serving

Chill if desired:

You can serve this right away, but letting it sit in the refrigerator for 30 minutes helps the flavors meld together beautifully

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This salad has become the thing I bring to every summer gathering, the dish people actually remember and ask about weeks later. There is something deeply satisfying about serving food that looks as good as it tastes, all those bright colors against a white serving bowl.

Choosing the Best Produce

I have learned that farmers market tomatoes make a noticeable difference, and the ugly heirloom ones often taste better than the perfect grocery store orbs. Cucumbers should feel firm and heavy, and if the skin is bitter, just use a vegetable peeler to strip it off completely.

Making It Your Own

Sometimes I add thinly sliced radishes for extra crunch and color, or crumble some feta on top if I want to make it more substantial. The basic formula stays the same, but you can adapt it based on what is in season or what your family enjoys.

Serving Suggestions

This salad works alongside almost anything grilled, from simple chicken breasts to spiced lamb kebabs. It also makes a refreshing lunch on its own, especially on those days when it is too hot to even think about turning on the stove.

• Try adding a handful of arugula for a peppery bite
• A spoonful of Greek yogurt thinned with water makes a creamy alternative dressing
• Leftovers (if you have any) are excellent tucked into a pita with some hummus

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This is the kind of recipe that reminds you why simple food, prepared with care and attention, can be the most satisfying of all. Happy cooking.

Recipe Questions & Answers

→ How long does this salad stay fresh?

Best enjoyed immediately, but can be refrigerated for up to 30 minutes before serving. The vegetables will release some water and soften if left longer.

→ Can I prepare this in advance?

You can dice the vegetables and whisk the dressing ahead of time. Store them separately in the refrigerator and combine just before serving for optimal crunch.

→ What other vegetables work well?

Thinly sliced radishes add extra crunch and color. Bell peppers, fresh herbs like basil or cilantro, or even avocado make excellent additions.

→ Is this suitable for meal prep?

It's best made fresh, but you can prep components in advance. Keep dressed salad separate from undressed portions if making multiple servings.

→ What's the best way to slice the vegetables?

Dice tomatoes into uniform chunks, slice cucumber into half-moons for better texture, and thinly slice the red onion for mild flavor that blends well.

→ Can I use different vinegar?

Red wine vinegar adds tangy depth, but apple cider vinegar, white wine vinegar, or even balsamic work as tasty alternatives.