Tomato, Cucumber and Onion Salad

Tomato, Cucumber and Onion Salad is a crisp, refreshing, old-fashioned salad made with simple vegetables and a sweet-tangy vinegar dressing. It is light, juicy, colorful, and perfect for warm days, family dinners, potlucks, barbecues, and garden-style meals.

The cucumbers bring cool crunch, the cherry tomatoes add sweetness and freshness, and the red onion gives the salad a sharp, savory bite. The vinegar, water, oil, and sugar create a bright dressing that lightly marinates the vegetables as they chill.

This is the kind of salad that tastes simple but deeply satisfying. After resting in the refrigerator, the vegetables absorb the dressing and become even more flavorful, making every bite crisp, tangy, sweet, and refreshing.

Why People Will Love This Recipe

It is fresh, crisp, juicy, and refreshing.

The cucumbers give the salad a cool, clean crunch.

Cherry tomatoes add natural sweetness and bright color.

Red onion brings a sharp bite that balances the sweet-tangy dressing.

The vinegar dressing is light, simple, and full of old-fashioned flavor.

A little sugar softens the acidity and makes the salad beautifully balanced.

It is easy to make with everyday ingredients.

It tastes better after chilling because the vegetables absorb the dressing.

It is perfect for summer meals, cookouts, picnics, and potlucks.

It pairs well with grilled meats, fried chicken, seafood, sandwiches, and barbecue.

It is naturally light and refreshing.

It can be made ahead for easy serving.

Key Ingredients

Cucumbers:
Cucumbers are the crisp, cooling base of this salad. They absorb the dressing well and give the dish its refreshing texture.

Red Onion:
Red onion adds color, sharpness, and savory flavor. When it sits in the vinegar dressing, it softens slightly and becomes less harsh.

Cherry Tomatoes:
Cherry tomatoes bring sweetness, juiciness, and brightness. Their fresh acidity works beautifully with cucumbers and onions.

White Vinegar:
White vinegar gives the salad its tangy, pickled-style flavor. It helps the vegetables taste brighter and more refreshing.

Oil:
Oil softens the sharpness of the vinegar and gives the dressing a smoother texture.

Water:
Water lightens the dressing so it does not taste too strong or acidic. It helps create a gentle marinade for the vegetables.

Granulated Sugar:
Sugar balances the vinegar and makes the dressing taste sweet, tangy, and smooth.

Salt and Pepper:
Salt enhances the flavor of the vegetables, while black pepper adds a gentle warmth and simple savory finish.

Expert Tips

Slice the cucumbers evenly so they absorb the dressing at the same rate.

Use firm cucumbers for the best crunch.

Slice the red onion thinly so it softens nicely in the dressing.

Let the salad chill before serving so the flavors can blend.

Stir the salad once or twice while chilling to coat all the vegetables evenly.

Taste the dressing before pouring it over the vegetables and adjust the sugar, salt, or vinegar as needed.

For a stronger flavor, let the salad chill longer than 1 hour.

For a milder onion flavor, soak the onion slices in cold water for 10 minutes before adding them.

Add fresh herbs like dill, parsley, or basil for extra freshness.

Serve the salad cold for the best texture and flavor.

Use a glass or non-reactive bowl because vinegar can react with some metals.

Stir again before serving because the dressing may settle at the bottom.

Tomato, Cucumber and Onion Salad

Ingredients

2 cucumbers, peeled and sliced

1 red onion, sliced into rings

½ pint of cherry tomatoes, sliced in half

⅓ cup white vinegar

¼ cup oil

⅔ cup water

3 tbsp granulated sugar

Salt and pepper to taste

Instructions

Step 1:

Cut the cherry tomatoes in half

Slice the red onion into slices

Step 2:

Peel and slice the cucumber, (you could them cut each slice into fourths, depending on the thickness

Step 3:

In a bowl mix the water with the vinegar and oil

Step 4:

Stir in the salt and pepper to taste

Pour the liquid over the cucumber, tomato and onion mixture

Step 5:

Stir to combine well

Refrigerate for up to an hour before serving

Enjoy!

Important Notes When Making Tomato, Cucumber and Onion Salad

This salad is best served chilled.

The vegetables will release more liquid as they sit, which is normal.

The cucumbers will soften slightly after marinating.

If you prefer a very crunchy salad, serve it after about 30 to 60 minutes of chilling.

If you prefer a more marinated flavor, chill it for several hours.

The sugar can be adjusted depending on how sweet or tangy you want the dressing.

The red onion flavor becomes milder as it sits in the vinegar dressing.

Store leftovers in an airtight container in the refrigerator.

For best texture, enjoy within 1 to 2 days.

Stir before serving leftovers to redistribute the dressing.

How to Enjoy Tomato, Cucumber and Onion Salad After Preparing

After the Tomato, Cucumber and Onion Salad has chilled for about 1 hour, remove it from the refrigerator and stir it gently. This helps the vinegar dressing coat the cucumbers, tomatoes, and onions evenly.

Serve the salad cold in a large bowl or on a platter. The vegetables should be crisp, juicy, and lightly marinated, with a refreshing sweet-tangy flavor in every bite.

This salad is perfect beside grilled chicken, steak, pork chops, fried chicken, burgers, hot dogs, barbecue ribs, fish, shrimp, or sandwiches. Its bright vinegar flavor cuts through rich, smoky, or fried foods beautifully.

For a lighter meal, serve it with boiled eggs, tuna salad, roasted potatoes, grilled vegetables, or a simple bowl of rice. It also works well as a fresh side for picnic plates and summer dinners.

You can finish the salad with extra black pepper, fresh dill, parsley, basil, or a small drizzle of olive oil before serving. If you like more tang, add a splash of extra vinegar. If you like it sweeter, add a tiny pinch more sugar.

Leftovers should be kept cold. The vegetables will continue to soften as they sit, but the flavor will become more marinated and developed.

Nutrition Information

Approximate nutrition per serving, based on 6 servings:

Calories: 130 kcal | Total Fat: 9.5 g | Saturated Fat: 1.2 g | Monounsaturated Fat: 6.5 g | Polyunsaturated Fat: 1.5 g | Cholesterol: 0 mg | Sodium: 120–280 mg depending on added salt | Total Carbohydrates: 12 g | Dietary Fiber: 1.8 g | Sugars: 8 g | Protein: 1.2 g

Additional estimate:

Calcium: 25–45 mg | Potassium: 250–380 mg | Iron: 0.5–1 mg | Vitamin C: 12–22 mg | Vitamin A: 300–650 IU

Frequently Asked Questions:

Can I use regular tomatoes instead of cherry tomatoes?

Yes, you can substitute regular tomatoes for cherry tomatoes in this salad.

Simply chop the regular tomatoes into bite-sized pieces.

How long does this salad need to be refrigerated before serving?

It’s recommended to refrigerate the salad for at least an hour before serving to allow the flavors to meld together.

However, you can serve it immediately if desired.

Can I adjust the amount of sugar in the dressing?

Yes, you can adjust the amount of sugar in the dressing to suit your taste preferences.

You can add more or less sugar according to your desired level of sweetness.

What type of vinegar is best for this salad?

White vinegar is used in this recipe, but you can also use apple cider vinegar or red wine vinegar for a slightly different flavor profile.

How long can I store leftovers of this salad?

Leftovers of this salad can be stored in an airtight container in the refrigerator for up to 2-3 days.

However, keep in mind that the vegetables may release some moisture over time, so the salad may become slightly watery upon storage.

Simply drain any excess liquid before serving leftovers.

Can I use English cucumbers instead of regular cucumbers?

Yes, you can use English cucumbers instead of regular cucumbers.

English cucumbers have thinner skins and fewer seeds, making them suitable for salads.

How should I adjust the seasoning if I prefer a tangier flavor?

If you prefer a tangier flavor, you can increase the amount of white vinegar in the dressing.

Start by adding an extra tablespoon and adjust according to your taste.

Can I add other vegetables or herbs to this salad?

Absolutely! Feel free to customize this salad by adding other vegetables like bell peppers, olives, or fresh herbs like parsley or basil for added flavor and texture.

Is it necessary to peel the cucumbers?

While it’s traditional to peel cucumbers for this salad, it’s not absolutely necessary.

If you prefer the texture and color of unpeeled cucumbers, you can leave the skin on.

Can I make this salad ahead of time?

Yes, you can prepare this salad ahead of time.

However, it’s best to add the dressing just before serving to prevent the vegetables from becoming too soggy.

What type of oil is recommended for the dressing?

Any neutral-tasting oil such as vegetable oil, canola oil, or grapeseed oil works well for the dressing.

Choose based on your preference or what you have on hand.

Can I use brown sugar instead of granulated sugar?

Yes, you can substitute brown sugar for granulated sugar in the dressing.

Brown sugar will add a slightly different flavor profile to the salad but will work well with the other ingredients.

How do I know when the salad is properly mixed?

The salad is properly mixed when all the vegetables are evenly coated with the dressing and the salt and pepper are distributed throughout.

Taste a small piece to adjust seasoning if needed.

Can I serve this salad warm instead of chilled?

While traditionally served chilled, you can serve this salad warm if you prefer.

Simply skip the refrigeration step and serve immediately after mixing.

What can I serve this salad with?

This salad pairs well with grilled meats, seafood, or as a refreshing side dish alongside sandwiches or wraps.

It’s versatile and complements a wide range of main courses.