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This easy Cucumber Onion Salad is a light, refreshing, summertime side dish, made with just six ingredients and done in 10 minutes!
Featured with this recipe
- Ingredients in Cucumber Onion Salad
- Where this Recipe Came From
- Types of Cucumber to use in this Salad
- The Best Dressing for Cucumber Salad
- Salad Dressing Substitutions
- Is Cucumber Salad Keto Friendly?
- Suggestions for Cucumber Onion Salad
- Frequently Asked Questions
- More Fresh Side Dishes
- How to Make Cucumber Onion Salad
- Cucumber Onion Salad Recipe
If you’re looking for a light, fresh side dish to serve at your next barbecue, picnic, or potluck, look no further than our Cucumber Onion Salad. This vinegar-marinated cucumber salad is a perfect complement to the flavors of summer, whether you’re cooking out on the grill or enjoying a picnic in the park. It’s the perfect side for grilled chicken, hot dogs, steaks, burgers, you name it!
Ingredients in Cucumber Onion Salad
This is one of those easy recipes that I always keep on hand, because it’s so easy and goes so well with everything summer. Six simple ingredients:
- Cucumbers – I usually start with five fresh, crisp cucumbers from my garden or the grocery store. Add more or less, , depending on how many you’re serving.
- Red onion – The color of this onion is so gorgeous in this salad. It really pops against the onion. If you prefer a more sweet onion, you can include a Vidalia onion as well.
- Apple cider vinegar – This vinegar is so flavorful and tangy, it’s delicious in this salad. You can also substitute white vinegar, red wine vinegar, or rice vinegar.
- Sugar – about half a cup, or more depending on your personal preference for sweetness.
- Water – half a cup
- Salt – one teaspoon, along with some black pepper to taste.
You can serve them as an appetizer, snack, or side dish. They’re perfect for picnics because they keep well in the fridge and can be made ahead of time.This Easy Cucumber Onion Salad is a light, refreshing, summertime side dish. Add regular or cherry tomatoes to make it an even more colorful cucumber salad.
Where this Recipe Came From
In our humble opinion, this is the best cucumber salad recipe out there! Our mom made this salad often when we were growing up, and we still make it today. It’s the perfect side dish and a great way to bring some freshness into your meal! The sliced cucumbers and red onions soak up the sweet and tangy vinegar dressing so well. It tastes so fresh and delicious. This is definitely one of my favorite salads for summer nights. You can serve immediately or store in the fridge in an airtight container to eat as a snack or to complement a quick lunch.
Types of Cucumber to use in this Salad
You can use any variety of slicing cucumber for this salad and it will taste great. Cucumbers fresh from the garden are always a first choice, no matter what the variety. However, English cucumbers, Persian cucumbers, or the regular grocery store variety cucumbers are also delicious. If purchasing cucumbers, choose cucumbers that are firm without any blemishes or soft spots.
The Best Dressing for Cucumber Salad
It is hard to beat cucumbers in vinegar with a little sugar, which is the basis of the dressing in this recipe. The vinegar enhances the natural flavor in the cucumbers, and every crunchy bite is refreshing. The flavor of vinegar used in the dressing is a matter of preference. Apple cider vinegar, rice vinegar, red wine vinegar, and white vinegar all give their own unique flavor to the dressing.
Salad Dressing Substitutions
There are also creamy cucumber salads that use a sour cream and mayonnaise based dressing. Again, it’s a matter of preference. This adds calories to the salad, and makes a heavier dressing that can dominate the fresh cucumber taste. With the vinegar based dressing, this cucumber salad is only 66 calories per serving.
Is Cucumber Salad Keto Friendly?
Leave the sugar out or replace the sugar with a monk fruit sweetener (or your favorite keto sweetener) to make this cucumber salad keto-friendly! Even if you decide to add mayonnaise, it will still be ok to eat on the keto diet. It is also gluten-free!
Suggestions for Cucumber Onion Salad
- Turn the vinegar marinated cucumbers into a colorful summertime salad by adding cherry tomatoes, grape tomatoes, or sliced tomatoes, and a splash of olive oil.
- You could also toss in a diced green bell pepper, red or yellow peppers, slices of squash, feta cheese, fresh parsley, mint or other fresh herbs to the mix. Fresh basil or fresh dill add a burst of flavor. There is no wrong way to dress up this salad.
- Season the salad with minced garlic, or spice it up with a sprinkle of red pepper flakes.
- Any kind of onion will work for this cucumber salad recipe. I like red or purple onion for the color, but any onion you have on hand is great.
- You can make this recipe right before serving or ahead of time to let the cucumbers have longer to marinate. To do this, divide the cucumbers into a couple of quart jars and pour the vinegar mixture over the top instead of putting in Ziploc bags (as directed in the recipe card below). This makes it easier for snacking right out of the jar.
- You can store these vinegar marinated cucumbers in your fridge in a jar or air-tight container for up to three days. Any longer than that and the cucumbers will lose their “crisp-ness” and become limp. There is also a slight risk for microbes forming after three days, but I know some people keep them in their fridge and continue to eat them for up to a week without any issues.
Frequently Asked Questions
Apple cider vinegar has a nice crispness to it that isn’t too strong. It is perfect for cucumber salad. For a brighter flavor you can use red wine vinegar. You can also use plain white vinegar or rice vinegar.
At least 20 minutes and up to 3 days.
If the skin of the cucumber is light and thin, you can totally leave it on. Just remember to wash it first. If the peels are thick and tough, it is best to peel them.
The most basic cucumber salad is made from sliced cucumbers, sliced onion, and a vinegar based dressing. Herbs, tomatoes, chickpeas, feta cheeses, and other ingredients can be added according to your taste.
More Fresh Side Dishes
Looking for more summer side dish ideas? Check out some of our favorite BBQ side dishes, including our Chopped Broccoli Salad and our refreshing Watermelon Feta Salad.
How to Make Cucumber Onion Salad
Cucumber Onion Salad
Video
Ingredients
- 5 cucumbers
- 1 red onion
- 1 cup apple cider vinegar (or white vinegar, red wine vinegar, rice vinegar)
- ½ cup sugar (or more to taste)
- 1/2 cup water
- 1 teaspoon salt
Instructions
- Peel and slice cucumbers into thin slices.
- Cut onion in half and cut into very thin slices.
- Combine onions and cucumbers in a large bowl.
- In a separate, medium-sized bowl, combine remaining ingredients. Stir until sugar dissolves.
- Pour vinegar mixture over cucumbers and onions. Stir until the cucumbers are evenly coated in the dressing.*
- Refrigerate at least 20 minutes. Before serving, drain liquid and place in a serving bowl to serve.
The dressing is much silkier and combined if cooked on stove.
Yes my Mom always heated it and then let it cool too!
Couldn’t be easier! Thanks, girls, it was so good!
Good taste but too sweet for me; reduced sugar to 1/4 cup
Can we freeze this or eat within 2-3 days?
I haven’t tried freezing this recipe before, so I’m not sure! We usually eat it within a couple of days.
My hubby and I absolutely love this recipe! I can’t wait to make this again. Such a great side for dinner and went will with our burgers the other night!
This was sooo tasty, and I took the keto recommendations and made it Keto-friendly, so tasty!!
What sweetener did you use and how much? Thanks!!!
I used monk fruit. 5T plus 1t.
I made these pickles and loved them. Wondering if I can use this recipe and hot water bath jars for long term shelf life
We haven’t tried it that way, so I can’t speak to the canning safety of this recipe specifically.
Enjoyed this for lunch today and it did not disappoint! Light, refreshing and perfectly crisp!
Quick. Easy. Flavorful. Family and friends love it!
My moma used to grace the summer time table with this finisher ( the last item placed ).
And we couldn’t start eating until she finished and was seated. Then dad said the blessing and then the goodness came to all four of us. Cucumbers, sliced, with onions, ice cubes in water, and vinegar. She used white vinegar, with sugar. OH GOD YUMMMM Put a smile on all our faces, along with the ears of steamed corn I shucked on the back porch. I was mom’s prep guy. Thank you for having this entry.
This is the go to recipe I use! It’s so good. One thing I do is add several ice cubes in with salad too to chill quicker and keep it crisp and marinate faster.
I have been eating this for 45 yrs and making it for 27. We’ve always called it ” Brazilian salad” as my mom was from Brazil and taught everyone in the fam and my friends how to make it. I DON’T think you birthed this recipie. I ATE IT YESTERDAY, BEFORE READING THIS.
We definitely don’t take credit for creating cucumber salad! We just wanted to share the recipe that we use!
thanks for the share, it’s delish!!!
Well, my Grandmother was from Alabama, USA & was making this when I was a child in the 70s. This is a great side dish or snack.
Andrea, do you know how easy it is to grow cucumbers just outside the back door? This makes it available in hard times and easy times. What a jewel during the depression it was, must have been and good things carry far. The strength of the Americans when far and wide outside of the country. And of course returned in its own way, people with it. Of course, everyone will claim a good thing. Had a beginning chef try to steal a grilled peach half recipe I guided him to do. Know where I got it from? The internet. He had never tried it before and loved it and everyone else did too. I try to use my head instead of my emotions. THANKS you GIRLS.
Andrea, did you read a different post than I did? Nowhere does it say they created the salad. They only wanted to share it, and I am grateful that they did!
Where does any recipe post claim to have “birthed” a version of a popular dish? There are many variations of this cucumber dish, this one is fantastic.
Love this salad. So healthy. I even added thinly sliced radishes in this recipe. Extra color and another vegetable.
Delicious & easy, Nutritious & satisfying! I add a chopped tomato & sometimes use white onions or sweet onions because that’s what I have on hand. I’m trying to lower my cholesterol & a recipe that doesn’t use mayo is perfect!
This reminds me of the cucumbers and onions served by my grandmother. The only thing missing is a bit of high quality ground pepper. Otherwise, it’s just perfect — especially on a warm summer afternoon. Thank you!
This salad always reminds me of summertime and is one of my favorite ways to enjoy cucumbers. So refreshing!
This salad is one of my favorites because it’s so easy but everyone loves it. Perfect for a light snack too.
i just love how easy this is! It’s the perfect fresh light recipe to snack on!
Such a light and fresh salad. I can’t wait to try it.
A quick, healthy and crunchy way of enjoying some refreshing Cucumber Salad.
I love this recipe. I prefer to use rice vinegar to prepare it.
I will try and can like a regular pickle. But,I’ll slice them a little thicker to see if they’ll hole a crispness to them.someone ask about that.ill be that Guinea pig gladly.
lovely fresh and tasty recipe
Question not comment – how long can you keep this in the fridge in a glass jar?
They will stay crisp for up to a week and then start to lose crispiness. I wouldn’t go more than 10 days.