Some recipes are so simple, they don’t even feel like a recipe—they’re just a perfect combination of fresh ingredients that work beautifully together. This Cucumber, Onion, and Tomato Salad is one of them. It’s a classic for a reason: it’s incredibly refreshing, light, and bursting with the vibrant flavors of summer. What’s more, this salad gets even better after a day in the refrigerator, as the simple dressing soaks into the veggies, making it an ideal make-ahead side dish.

Why I Love This Recipe

I’m a huge fan of meals that celebrate fresh, simple ingredients, and this salad is a prime example. The combination of crisp cucumbers, juicy tomatoes, and a little bite from the onion is a perfect harmony of flavors and textures. What I love most is how the dressing, a simple mix of oil, vinegar, and seasoning, truly enhances the natural taste of the vegetables without overpowering them. It’s the kind of salad you can serve with almost anything, from a simple grilled chicken to a hearty stew, and it always tastes just right.

Ingredients

(Serves 4)

3 medium tomatoes, sliced or chopped
3 medium cucumbers, sliced
1 medium onion, thinly sliced
For the Dressing:
- 1/4 cup olive oil
- 2 tablespoons white wine vinegar or apple cider vinegar
- 1 teaspoon granulated sugar (optional, to balance the acid)
- 1/2 teaspoon salt
- 1/4 teaspoon black pepper

Swaps and Notes

Veggies: You can use any type of tomato you like here, from large beefsteak to smaller cherry tomatoes. For the cucumbers, English or seedless cucumbers are great as they don’t have a lot of seeds.
Onion: Red onion would also work beautifully and give the salad a pop of color and a sharper flavor.
Herbs: A sprinkle of fresh dill or parsley would be a lovely addition.
Dressing: The dressing is a classic vinaigrette. You can use your favorite dressing if you prefer, but this simple mix is a perfect complement to the fresh vegetables.

Step-by-Step Instructions

Prepare the Vegetables: Wash and prepare the vegetables. Slice or chop the tomatoes, cucumbers, and thinly slice the onion. Place all the prepared vegetables in a large bowl.
Make the Dressing: In a small bowl or a jar with a tight-fitting lid, whisk together the olive oil, white wine vinegar, sugar (if using), salt, and black pepper.
Combine and Toss: Pour the dressing over the vegetables in the large bowl. Toss everything gently to ensure that the vegetables are evenly coated.
Chill (Optional but Recommended): For best results, cover the salad and refrigerate for at least 30 minutes, or even overnight. This allows the flavors to meld and the dressing to absorb into the vegetables.
Serve: Serve the salad chilled.

Tips for Success

Let it Marinate: This salad truly shines after it has had a little time to sit. Don’t be afraid to make it ahead of time.
Cut Uniformly: Cutting the vegetables to a similar size and thickness ensures that every bite has a good mix of flavors.
Use Fresh Ingredients: The key to this salad is the freshness of the vegetables. Use a ripe tomato and a crisp cucumber.

Serving Suggestions and Pairings

This salad is an incredibly versatile side dish. It would be a perfect complement to grilled chicken, a simple piece of baked fish, or a hearty stew. For a fun twist, you could serve it with my Easy Cheesy Chicken Sliders or with a side of my Light and Tangy Chicken Salad.

Nutritional Information (per serving)

Please note: This is an estimated nutritional breakdown and can vary based on specific ingredients and brands used.

Calories: Approx. 200 kcal
Protein: Approx. 2g
Fat: Approx. 15g
Carbohydrates: Approx. 10g

Storage and Leftover Tips

This salad stores beautifully in an airtight container in the refrigerator for up to 2-3 days. The flavors will only get better with time.

More Recipes You Will Love

If you love a good, hearty, and easy meal, you’ll love these other recipes from my kitchen:

For a similar one-pan wonder, this Mexican Chicken and Rice Casserole is a lifesaver.
For a simple and delicious appetizer, my Easy Cheese-Stuffed Chicken Wontons are a guaranteed hit.
For a cozy, hearty bowl of southern comfort, you have to try my Cajun Chicken and Sausage Gumbo.
And when you’re feeding a crowd, these Chicken Enchiladas are a true go-to.

Final Thoughts

This Cucumber, Onion, and Tomato Salad is a perfect example of how a few simple ingredients can create something truly special. It’s a healthy, delicious, and easy side dish that’s a fantastic addition to any meal.

I hope you give this recipe a try! Let me know in the comments below what your favorite dressing is! Happy cooking!