Marinated Cucumbers, Onions and Tomatoes
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There’s something about cucumbers, onions, and tomatoes that just screams summer. Maybe it’s the way the flavors all come together to create a delicious harmony, or maybe it’s the fact that these veggies are so versatile.
You can enjoy them as part of a salad, serve them up as a side dish, or even put them together to create a tasty main course.
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But no matter how you enjoy them, one thing is for sure: you’re going to love this marinated cucumbers onions and tomatoes recipe.

It’s perfect for hot summer days when you want something refreshing and light, but it’s also great for any time of year.

The end result is a refreshing dish that is perfect for hot summer days.

What are you waiting for? Give this recipe a try today!
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Why you’ll love this Marinated Cucumbers, Onions and Tomatoes recipe
- It’s quick and easy to prepare with only 15 minutes of prep time.
- The combination of fresh cucumbers, tomatoes, and onions with a sweet and tangy dressing creates a delicious and refreshing salad.
- It’s a healthy and low-calorie side dish that is perfect for summer gatherings, picnics, and BBQs.

What Does a Cucumber Tomato Salad Contain?
This cucumber tomato salad contains sliced cucumbers, chopped tomatoes, and sliced onions, marinated in a sweet and tangy dressing made with olive oil, vinegar, sugar, basil, salt, and pepper.
What kind of cucumbers, onions and tomatoes?
You can use any kind of cucumbers, onions, and tomatoes you like. English cucumbers or Persian cucumbers work well in this recipe as they are seedless and have a thinner skin.
For tomatoes, you can use any variety such as Roma, cherry, or beefsteak. And for onions, you can use yellow, white, or red onions.
How long are cucumbers good after slicing?
Once sliced, cucumbers should be consumed within 2-3 days for optimal freshness. Make sure to store in an airtight container in the fridge, otherwise they will spoil.
Whip up these cucumber subs for another cucumber recipe.
Tips for making Marinated Cucumber, Tomato, and Onion Salad:
- Use a mandoline slicer to slice the cucumbers and onions thinly and evenly.
- Let the salad marinate in the fridge for at least 2 hours for the best flavor.
- Adjust the sweetness and acidity of the dressing to your taste.
What to Serve With Cucumber Tomato Salad
This salad is a great side dish for grilled meats, fish, or chicken. It also pairs well with other summer salads such as potato salad or coleslaw.
What kind of oil?
This recipe calls for olive oil, but you can also use other oils such as avocado oil or vegetable oil.

Ingredients:
- Tomatoes
- Cucumbers
- Onion
- Granulated sugar
- Olive oil
- White distilled vinegar
- Water
- Basil
- Salt and pepper to taste

How to make Marinated Cucumbers, Onions, and Tomatoes:
Step 1. Place the vegetables into a large mixing bowl and toss to combine.

Step 2. Pour the water over the vegetables.
Step 3. In a small bowl, combine the oil, vinegar, sugar, basil, and salt and pepper to taste. Whisk to combine well, and pour this over the vegetables in the bowl.

Step 4. Stir to coat the vegetables well and allow to marinate in the fridge for at least two hours before serving.

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Marinated Cucumbers, Onions and Tomatoes
Ingredients
- 3 Medium tomatoes largely chopped
- 2 Large cucumbers sliced
- 1 Large onion Sliced into rings
- ¼ C. Granulated sugar
- ¼ C. Olive oil
- ½ C. White distilled vinegar
- 1 C. Water
- 1 tsp. Basil
- Salt and pepper to taste
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Instructions
- Place the vegetables into a large mixing bowl and toss to combine.
- Pour the water over the vegetables.
- In a small bowl, combine the oil, vinegar, sugar, basil and salt and pepper to taste. Whisk to combine well, and pour this over the vegetables in the bowl.
- Stir to coat the vegetables well and allow to marinate in the fridge for at least two hours before serving.
Nutrition
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How to Store Cucumber Tomato Salad
Leftover salad can be stored in an airtight container in the fridge for up to 3 days.
Just toss it before you serve it up to re-incorporate the salad before serving.
Can I Make it Ahead?
Yes, this salad can be made ahead of time and stored in the fridge until ready to serve.
More Fun Additions
You can add other ingredients to this salad such as sliced bell peppers, feta cheese, or fresh herbs like parsley or dill. You can also add a spicy kick by adding some sliced jalapenos or red pepper flakes.

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Zucchini Almond Salad – This crowd pleasing summer time pasta salad is quick, easy and the excellent choice for pot lucks, cookouts and get togethers

Bacon, Lettuce and Tomato Macaroni Salad – Though there are only a few ingredients, it’s full of flavor and a great 30-minute meal for any night of the week.