Cucumber, Onion, and Tomato Salad is a timeless classic that brings together the best of fresh summer produce in one vibrant bowl. With juicy tomatoes, crisp cucumbers, and tangy onions tossed in a light vinaigrette, this salad is the perfect side dish for any meal. It’s simple, refreshing, and full of natural flavor—ideal for barbecues, potlucks, or quick weeknight dinners.
This dish celebrates the beauty of clean, fresh ingredients and is just as good chilled the next day as it is right after mixing.
Why You’ll Love This Recipe
Light & Refreshing: Crisp vegetables and a tangy dressing for a burst of freshness.
Simple Ingredients: Made with just a handful of kitchen staples.
Versatile Side Dish: Perfect with grilled meats, seafood, or sandwiches.
Make-Ahead Friendly: Gets even more flavorful as it sits.
Ingredients
- 2 large cucumbers, thinly sliced
- 3 medium tomatoes, chopped or sliced into wedges
- ½ medium red onion, thinly sliced
- 2 tbsp olive oil
- 2 tbsp red wine vinegar (or apple cider vinegar)
- 1 tsp sugar (optional, to balance acidity)
- Salt and pepper, to taste
- 1 tbsp fresh parsley or dill, chopped (optional for garnish)
Instructions
1. Prepare the Vegetables
Wash and slice the cucumbers, tomatoes, and onion. Place them all in a large mixing bowl.
2. Make the Dressing
In a small bowl, whisk together olive oil, vinegar, sugar (if using), salt, and pepper until well blended.
3. Toss Together
Pour the dressing over the vegetables. Gently toss until everything is evenly coated.
4. Chill & Marinate
Cover and refrigerate for 20–30 minutes before serving to allow the flavors to meld.
5. Serve
Garnish with chopped parsley or dill, then serve chilled or at room temperature.

Nutritional Information
Calories: 70
Carbohydrates: 6g
Fat: 4g
Protein: 1g
Fiber: 1g
Tips for Success
- Use Ripe Tomatoes: Juicy, flavorful tomatoes make all the difference.
- Slice Onions Thinly: Keeps the flavor balanced and not overpowering.
- Adjust to Taste: Add a pinch of sugar for sweetness or extra vinegar for tang.
- Add a Twist: Mix in feta cheese, avocado, or fresh herbs for variety.
Why This Recipe Works
This salad strikes the perfect balance between freshness, acidity, and crunch. The simple vinaigrette enhances the natural flavors of the vegetables without overpowering them. It’s wholesome, hydrating, and pairs beautifully with almost any main dish.
Cucumber, Onion, and Tomato Salad is the ultimate refreshing side dish—light, colorful, and full of garden-fresh flavor. It’s proof that sometimes the simplest recipes are the best. Whether served at a summer barbecue or as a quick lunch, this salad brings brightness and balance to every meal.
Cucumber, Onion, and Tomato Salad – Fresh, Crunchy, and Bursting with Flavor
6
servings10
minutes70
kcal40
minutesCucumber, Onion, and Tomato Salad is a timeless classic that brings together the best of fresh summer produce in one vibrant bowl. With juicy tomatoes, crisp cucumbers, and tangy onions tossed in a light vinaigrette, this salad is the perfect side dish for any meal. It’s simple, refreshing, and full of natural flavor—ideal for barbecues, potlucks, or quick weeknight dinners.
This dish celebrates the beauty of clean, fresh ingredients and is just as good chilled the next day as it is right after mixing.
Ingredients
2 large cucumbers, thinly sliced
3 medium tomatoes, chopped or sliced into wedges
½ medium red onion, thinly sliced
2 tbsp olive oil
2 tbsp red wine vinegar (or apple cider vinegar)
1 tsp sugar (optional, to balance acidity)
Salt and pepper, to taste
1 tbsp fresh parsley or dill, chopped (optional for garnish)
Instructions
- Prepare the Vegetables
Wash and slice the cucumbers, tomatoes, and onion. Place them all in a large mixing bowl. - Make the Dressing
In a small bowl, whisk together olive oil, vinegar, sugar (if using), salt, and pepper until well blended. - Toss Together
Pour the dressing over the vegetables. Gently toss until everything is evenly coated. - Chill & Marinate
Cover and refrigerate for 20–30 minutes before serving to allow the flavors to meld. - Serve
Garnish with chopped parsley or dill, then serve chilled or at room temperature.
Notes
- Use Ripe Tomatoes: Juicy, flavorful tomatoes make all the difference.
Slice Onions Thinly: Keeps the flavor balanced and not overpowering.
Adjust to Taste: Add a pinch of sugar for sweetness or extra vinegar for tang.
Add a Twist: Mix in feta cheese, avocado, or fresh herbs for variety.