When I want to make a quick and easy side dish, especially in the Summer, I always turn to this zesty cucumber onion salad. This cucumber salad recipe comes together quickly and easily with just a few ingredients. Fresh cucumber and red onion slices are dressed simply in a homemade vinegar salad dressing. It’s a flavor combination that makes me think of beautiful weather, family get-togethers, and fun around the table.

close up on cucumber onion salad in a white bowl

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I have a neighbor that always brings over home grown cucumbers, and that leads to us sharing a plate of this delicious salad! All you need are fresh veggies and some pantry staples to make a simple vinegar dressing.

What’s in this Cucumber Onion Salad Recipe?

  • Cucumbers: Start with fresh, juicy cucumbers, cut into slices. A mandolin works really well for quick slicing. Thinner or thicker slices work, as do diced or cubed cucumbers. A chopped cucumber and onion salad is great too!
  • Red Onion: Red onion has a nice bite that “spices” this salad up. I like cutting them into half moons, but you can chop or dice onions if you prefer.
  • Apple Cider Vinegar: This is the base of my vinegar salad dressing. It’s tangy and slightly sweet, and less acidic than some other vinegars, which is perfect for a light salad.
  • Sugar: Add just a little bit of granulated sugar into the dressing for sweetness.
  • Water: Water fills out the dressing. No oil needed here!
overhead view of cucumber salad with red onions and vinegar dressing, on a white and blue serving plater
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Tips for Success

  • Most varieties of cucumbers in North America (English cucumbers and “garden cucumbers” are common) will be fine without peeling. But if you use a variety with thick or bumpy skin, feel free to gently peel them.
  • Generously sprinkle salt over the cucumber slices before tossing them into the salad. The salt will draw out extra water and moisture so that they don’t get watery or soggy. You can salt them in a colander to prevent too much salt from accumulating on the slices.
  • If the red onion flavor is overpowering, try soaking slices in water before adding them to the salad. I personally love a strong onion taste, but if my husband is eating it too, that’s my favorite trick!

How to Make Ahead and Store

I love that this quick and easy cucumber salad with vinegar dressing can be prepped and/or made ahead of time. 

  • Veggies: Slice cucumbers and onions ahead of time, and store them in airtight containers (separately) until ready to use. If you do this, I recommend salting the cucumbers so they don’t accumulate moisture. You can also go ahead and soak the onions if you want to cut their intensity.
  • Dressing: Combine the vinegar dressing ingredients in a jar as instructed in the recipe card. This can be kept in the fridge for up to 4-5 days. Just shake or stir before tossing into the salad.

Toss everything together when you’re ready to serve it.

fresh cucumber and red onion salad sprinkled with dill, on a serving plate

Serving Suggestions

This easy cucumber salad is one of my all-time favorite spring and summer salad recipes. I love to serve it for light lunches outside along with grilled chicken breast, garlic butter salmon, or grilled pork chops. It’s also a great side salad for Easter dinner, along with lamb or ham. It really pairs beautifully with so many dishes!

5-Star Review

“Easy to make crunchy Cucumber cold salad. Taste gets better with each day it marinates. Thank you for posting.” -Wendy

Recipe Card

Cucumber Onion Salad Recipe

4.64 from 1044 votes
Prep: 10 minutes
Total: 10 minutes
Servings: 8 people
Author: Becky Hardin
cucumber salad in a white bowl
Crisp cucumbers, red onions, and a homemade vinegar dressing make for a simple yet delicious salad! This cucumber onion salad recipe is on repeat all Summer long!
Step-by-step photos can be seen below the recipe card.
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Ingredients 

  • 2 cucumbers
  • 1 red onion sliced
  • cup apple cider vinegar
  • ¼ cup water
  • 1 tablespoon granulated sugar
  • 1 teaspoon fine sea salt
  • 1 teaspoon ground black pepper

Instructions 

  • Slice each cucumber in ¼-inch slices and add to a large bowl.
    2 cucumbers
    cutting cucumbers into thin slices on a wooden cutting board.
  • Add in the sliced red onion (sliced into half moons) and toss to combine.
    1 red onion
    Sliced cucumbers and red onion mixed in a glass bowl.
  • In a mason jar or small bowl, whisk together the apple cider vinegar, water, sugar, salt, and pepper.
    ⅓ cup apple cider vinegar, ¼ cup water, 1 tablespoon granulated sugar, 1 teaspoon fine sea salt, 1 teaspoon ground black pepper
    vinegar dressing with pepper in a glass bowl.
  • Pour the dressing mixture over the cucumber and onion and toss to fully coat/combine.
    close up of cucumber salad with vinegar dressing.
  • Keep in the fridge until ready to serve.

Video

Becky’s Tips

  • If you like, finish the salad with fresh dill or parsley.
  • If you have leftover cucumbers, try making little cucumber sandwiches. You can also add slices to water for a refreshing and healthy beverage.
Storage: Store leftover salad covered in the refrigerator for up to 3 days. You can make and store the dressing separately up to 5 days.
Serving: 1servingCalories: 23kcalCarbohydrates: 5gProtein: 1gFat: 1gSaturated Fat: 1gSodium: 294mgPotassium: 129mgFiber: 1gSugar: 3gVitamin A: 54IUVitamin C: 3mgCalcium: 14mgIron: 1mg

Nutrition information is automatically calculated, so should only be used as an approximation.

Did you make this? Leave a comment!

How to Make Cucumber Onion Salad Step by Step

Slice the Cucumbers: Slice 2 cucumbers into ¼-inch slices and add to a large bowl.

cutting cucumbers into thin slices on a wooden cutting board.

Add the Onions: Add in 1 red onion sliced into half moons and toss to combine.

Sliced cucumbers and red onion mixed in a glass bowl.

Make the Dressing: In a mason jar or small bowl, whisk together ⅓ cup of apple cider vinegar, ¼ cup of water, 1 tablespoon of granulated sugar, 1 teaspoon of fine sea salt, and 1 teaspoon of ground black pepper.

vinegar dressing with pepper in a glass bowl.

Toss the Salad: Pour the dressing mixture over the cucumber and onion and toss to fully coat/combine. Keep in the fridge until ready to serve.

close up of cucumber salad with vinegar dressing.

More Salad Recipes To Try

Meet Becky Hardin

Becky Hardin is a wife and mother living in Saint Louis Missouri. She founded The Cookie Rookie in 2012 as a creative way to share recipes. Now, she is a trusted resource for easy cooking around the world, being featured in Taste of Home, The Kitchn, ABC’s Home and Family, and more. Here at The Cookie Rookie she is the editor in chief of all recipes and continues to enjoy sharing her passion for cooking for busy families. She has since founded two additional food blogs, Easy Chicken Recipes and Easy Dessert Recipes.

4.64 from 1044 votes (983 ratings without comment)
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127 Comments
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Ronda
Ronda
August 6, 2021 5:59 pm

Can you mix the ingredients in the mason jar the day before?

Becky Hardin
Becky Hardin
August 11, 2021 1:03 pm
Reply to  Ronda

Yes, you can!

Mary
Mary
August 4, 2021 4:58 am

So good. So easy.5 stars

Becky Hardin
Becky Hardin
August 4, 2021 3:02 pm
Reply to  Mary

Thanks for stopping by, Mary!

Diane Gwynn-Sanders
Diane Gwynn-Sanders
July 18, 2021 8:27 pm

I take the seeds ouscalloped or au gratin go well but you could do tato patties from leftover mashed. Really lends to southern midwest style – think Kansas, Oklahoma.t of the cucumber so it is not mushy, it leaves the salad nice and crisp – of course you must have a fir cuke and oion. This recipe without seeds it BEST after being refrigerated for at least an hour. My mo used to make it in the summer as a side to fresh sliced tomatoes and either fried chicken, chicken fried steak or seasoned pork chops. The main dishes here in are rather heavy so the salad refreshes the palet – do not forget a tato to go with for the lil ones. Here the

Becky Hardin
Becky Hardin
July 20, 2021 10:18 am

Thanks for sharing, Diane

Carl L
Carl L
July 16, 2021 10:23 am

Made this salad today after not making it for 20 years! Shame on me! I basically followed the recipe but added tiny halved tomatoes. My daughter lived in Turkey for 2 yrs and they serve this type of salad with every meal. Of course they get their ingredients fresh from the market every day so it is very refreshing. Add bread, fruit, cheese, all fresh + braised meat and you have a banquet!5 stars

Becky Hardin
Becky Hardin
July 20, 2021 10:30 am
Reply to  Carl L

Thanks for stopping by and sharing, Carl!

Becca
Becca
February 4, 2022 12:30 pm
Reply to  Carl L

I lived in turkey for a year and I brought this salad back–but it has to be market or garden tomatoes! I do like that this version is a little mid westernized:)

Susan
Susan
July 13, 2021 6:18 pm

I love this recipe but for us it needs a little more vinegar. The salt pulls H2O from the cukes and onions so it dilutes the marinade. Next time I’ll try with straight vinegar and skip the H2O. Other than that the flavors; salt, pepper, stevia, were perfect! I grew up with this recipe but never knew how mom made it! THANK YOU for sharing!!4 stars

Becky Hardin
Becky Hardin
July 20, 2021 10:38 am
Reply to  Susan

Thanks for stopping by, Susan!

Cara Newman
Cara Newman
September 6, 2021 3:07 pm
Reply to  Susan

I agree, next time I’ll use white vinegar.

Arkansas Jack
Arkansas Jack
July 11, 2021 2:26 pm

Made exactly as the recipe! Outstanding!! 5 stars!!5 stars

Becky Hardin
Becky Hardin
July 20, 2021 10:41 am
Reply to  Arkansas Jack

Thanks for sharing, Jack!

Maury M.
Maury M.
July 8, 2021 9:58 pm

This was so delicious. I didn’t have any fresh, or dried for that matter, herbs but it was still so refreshing and delicious. Next time I’ll add the fresh dill and see. I can see why southerners have this simple salad on the ta le at every meal.5 stars

Becky Hardin
Becky Hardin
July 9, 2021 11:02 am
Reply to  Maury M.

Thanks for stopping by and sharing!

Carrie
Carrie
June 10, 2021 1:50 pm

I love cucumber salad and have been making this for some time. I will suggest using white rice vinegar. It has a sweet/sour tang which is so good in this recipe.5 stars

Becky Hardin
Becky Hardin
June 10, 2021 2:30 pm
Reply to  Carrie

Thanks for sharing, Carrie!

Rennie
Rennie
October 15, 2020 8:30 pm

This is so good that my husband even LOVED it! Taste is awesome! tytyty :)5 stars

Becky Hardin
Becky Hardin
October 20, 2020 10:45 am
Reply to  Rennie

You’re so welcome!! I’m glad that everyone loved it!

Wendy
Wendy
July 13, 2020 5:57 pm

Easy to make crunchy
Cucumber cold salad. Taste gets better with each day it marinates.
Thank you for posting.5 stars

Becky Hardin
Becky Hardin
July 15, 2020 1:36 pm
Reply to  Wendy

I’m so glad you love it so much!!