Cucumber Onions and Vinegar Salad Recipe

There are some recipes that never really go out of style, and this cucumber onions and vinegar salad is one of them. It’s cool, crisp, tangy, and wonderfully simple in the best possible way. If you grew up with a bowl of marinated cucumbers on the table in the summer, this recipe will probably feel familiar right away. And if you didn’t, you’re about to discover one of the easiest side dishes you can make.

I love keeping a dish like this in the fridge because it goes with almost everything. You can serve it alongside grilled chicken, burgers, barbecue, sandwiches, or even a simple plate of beans and cornbread. The cucumbers stay fresh and lightly glossy in the vinegar mixture, while the onions soften just enough to add that perfect sharp bite without overpowering the whole dish.

What I really love most is that you don’t need anything fancy here. A few fresh cucumbers, some thinly sliced onion, vinegar, a little sugar, salt, and pepper turn into a bright, old-fashioned side that tastes like summer in a bowl. It’s the kind of recipe I come back to again and again because it’s affordable, reliable, and always gets eaten.

Quick Recipe Info Card

• Prep Time: 15 minutes
• Cook Time: 0 minutes
• Total Time: 45 minutes
• Servings: 6
• Difficulty: Easy

Why You’ll Love It

• It’s incredibly easy to make with just a handful of pantry staples.
• The flavor is crisp, tangy, lightly sweet, and super refreshing.
• It’s a no-cook side dish, which is especially nice in warm weather.
• You can make it ahead, and it actually tastes even better after chilling.
• It pairs beautifully with grilled meats, picnic foods, and comfort meals.
• The ingredients are budget-friendly and easy to find year-round.
• You can adjust the sweetness, tanginess, and onion level to suit your taste.

Nutritional Benefits and Adaptable Variations

• Cucumbers are hydrating and naturally low in calories, which makes this a light and refreshing side.
• Onions add flavor, crunch, and beneficial plant compounds without needing heavy dressings.
• Vinegar-based salads are often lighter than creamy versions while still bringing lots of flavor.
• For a slightly sweeter Southern-style version, increase the sugar by 1 to 2 tablespoons.
• For a sharper, more savory version, reduce the sugar and add a little extra black pepper.
• You can use red onion instead of white or yellow onion for a little more color and a slightly different bite.
• Add thin slices of bell pepper for extra crunch and a pop of color.
• A pinch of dill or a few spoonfuls of chopped fresh herbs can give it a fresh garden-style twist.

Step-by-Step Instructions

1. Peel the cucumbers, then slice them into thin, even rounds. Thin slices work best because they absorb the vinegar mixture quickly and stay pleasantly crisp.
2. Thinly slice the onion into slivers. If you prefer a milder onion flavor, slice it very thin so it softens nicely in the marinade.
3. Place the sliced cucumbers and onions in a large bowl or glass dish.
4. In a separate bowl or large measuring cup, whisk together the white vinegar, water, sugar, salt, and black pepper until the sugar is mostly dissolved.
5. Pour the vinegar mixture over the cucumbers and onions, making sure everything is evenly coated.
6. Cover the bowl or dish and refrigerate for at least 30 minutes before serving. For even better flavor, let it chill for 1 to 2 hours.
7. Stir gently before serving so the onions and cucumbers are evenly dressed. Serve cold.

Nutrition Information

Nutrition values are approximate estimates per serving and can vary depending on the size of your cucumbers, the exact onion used, and any ingredient adjustments you make.

Storage & Make-Ahead Tips

This recipe is excellent for making ahead. In fact, I think it tastes even better after it has had a little time to chill and marinate. You can prepare it several hours before serving or even the night before if you want a stronger pickled flavor.

Store leftovers in a covered container in the refrigerator for up to 3 days. The cucumbers will gradually soften the longer they sit, but they’ll still be delicious. Give everything a quick stir before serving again.

For food safety, keep the salad refrigerated and avoid leaving it out at room temperature for extended periods, especially during outdoor meals and warm-weather gatherings.

FAQ

1. Do I have to peel the cucumbers?

No, you don’t have to peel them, but I like the softer texture and classic look that peeled cucumbers give this salad. If the skins are thin and tender, you can absolutely leave them on.

2. What kind of vinegar works best?

White vinegar gives this recipe its traditional bright, tangy flavor. Apple cider vinegar also works if you want a slightly milder, more rounded taste.

3. How long should cucumbers sit in vinegar before serving?

At least 30 minutes is enough to start building flavor, but 1 to 2 hours is even better. If you like a more pickled taste, you can let them sit overnight in the refrigerator.

4. Can I make cucumber onions and vinegar without sugar?

Yes, you can reduce the sugar or leave it out if you prefer. Just know that the sugar helps balance the sharpness of the vinegar, so the salad will taste more tart without it.

5. Why did my salad get watery?

Cucumbers naturally release water as they sit, especially after they’re salted and marinated. That’s normal for this kind of salad. If needed, you can stir in a small extra splash of vinegar before serving to brighten the flavor again.

Cucumber and Onions in Vinega

A crisp, tangy cucumber and onion salad marinated in a simple vinegar dressing.

Print Recipe Pin Recipe

Prep Time 15 minutes mins

Total Time 45 minutes mins

Servings: 6 servings

Course: Salad, Side Dish

Cuisine: American, Southern

Calories: 47

Ingredients Equipment Method Notes

Ingredients

  

Salad

• 4 medium cucumbers peeled and thinly sliced
• 1 medium white onion thinly sliced

Vinegar Dressing

• 1 cup white vinegar
• 1/2 cup water
• 1/4 cup granulated sugar
• 1 teaspoon salt
• 1/2 teaspoon black pepper

Equipment

• 1 cutting board
• 1 chef’s knife
• 1 mixing bowl large
• 1 small bowl or measuring cup for whisking dressing
• 1 whisk
• 1 serving dish or storage container glass preferred

Method

 

Prepare the vegetables

1. Peel the cucumbers and slice them into thin, even rounds.
2. Thinly slice the white onion into slivers.
3. Place the sliced cucumbers and onions in a large bowl or glass dish.

Make the dressing and chill

1. In a small bowl or large measuring cup, whisk together the white vinegar, water, granulated sugar, salt, and black pepper until the sugar is mostly dissolved.
2. Pour the vinegar dressing over the cucumbers and onions and toss gently to coat.
3. Cover and refrigerate for at least 30 minutes before serving, or up to 2 hours for stronger flavor.
4. Stir gently before serving and serve cold.

Notes

Slice the cucumbers evenly for the best texture. White vinegar gives the most classic flavor, but apple cider vinegar can be used for a milder variation. Store covered in the refrigerator and serve chilled.