Creamy Cucumber Onion Salad

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Cucumber Onion Salad is a light and refreshing side salad. It’s quick and easy and it’s perfect for those hot summer days. Especially if you love things that are cool, crunchy and delicious.

A bowl of creamy cucumber onion salad with fresh dill, served in a light green bowl with a silver spoon.

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Why this Cucumber Salad Recipe is a Keeper

I love this recipe because it’s fresh, cool, and crisp. It’s unique and super easy to make, making it perfect to bring to summer picnics. It is easy to make ahead. This salad is a perfect treat for cucumber lovers.

  • 10 Minute Prep: Before chilling, this onion cucumber salad recipe will be ready in 10 minutes.
  • Easy Ingredients: You’ll only need 7 ingredients for this easy side. Make the dressing in advance and store in a small bowl until ready to mix.
  • Family Friendly: This summer side salad recipe will be a hit at your next potluck. I have been making this salad all my life.
  • Adaptable: Use a low-calorie mayo to make the best cucumber salad recipe even healthier. Dress up this salad with your favorite seasonings.

If you’re looking for more salad recipes, try these Bacon Ranch Pasta Salad, Jennifer Aniston Salad and Caprese Salad.

What Cucumber is Best for this Recipe?

A top shot of the finished side dish.

I like to use thinly sliced cucumbers fresh from the garden but you can use Persian cucumbers, english cucumbers or whatever variation you like. Fun fact, cucumbers can be used to relieve sunburn!

Ingredient Notes to Make Cucumber Salad

You will need just a few simple ingredients that all easy to find at your local grocery store, or you might already have on hand. My grandmother used to make this and my mom used to make this salad too.

  • Cucumber: I like to make my fresh cucumbers slices as thin as possible. Great from the garden on the farm.
  • White Wine Vinegar: White vinegar helps to make this salad refreshing and tangy. You could also use apple cider vinegar, rice wine vinegar or red wine vinegar.
  • Onion: Again, make thin slices for this creamy cucumber salad recipe. You could use red or Vidalia onions.

See the recipe card below for a complete list of the ingredients with measurements.

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Variations and Substitutions for Cucumber Onion Salad

  • Sour cream: You could use sour cream in this recipe if you’d like!
  • Dressing: In place of mayo, try using ranch salad dressing or your favorite simple vinegar dressing.

Special Equipment Needed for Creamy Cucumber Salad

  • Mandolin: A mandolin will come in handy when you slice cucumbers and red onion.

Pro Tip for the Best Cucumber Salad

Wait until right before serving to add the creamy dressing. After adding sauce, the salad will only stay fresh for about 2-3 hours if refrigerated.

How to Make Cucumber and Onion Salad and Salad Dressing

This cucumber onion salad recipe can be made in an easy 2 steps.

These are the basic steps for making Creamy Cucumber Onion Salad. Refer to the full, printable recipe card below for detailed instructions.

A four-step series showing ingredients being added to a bowl for a refreshing cucumber onion salad: 1) Butter, 2) Olive oil, 3) Dried herbs, 4) Salt.

1. Sweet and Tangy Vinegar Dressing

In a medium bowl, stir together mayonnaise, vinegar, fresh dill, sugar and All Purpose Seasoning.

2. Assemble Salad, Pour Dressing on Top & Chill

Slice the cucumbers and onions, adding them to the salad. Stir until fully coated. Cover and refrigerate for at least 2 hours.

Four-step process for a delicious cucumber onion salad: 1) Adding dry seasoning to a mixture. 2) Whisking the mixture. 3) Sliced cucumbers added to the mixture. 4) Sliced onions added to the cucumber mixture.

Slice Cucumber and Onion Salad Recipe FAQs

How to Store this make ahead salad?

Store unassembled easy cucumber salad in an airtight container in the fridge for up to 3 days.

Why is my Recipe Runny?

Your salad could be runny if you added too much vinegar or ranch dressing. When you cut the cucumbers, cut extra to account for potential extra sauce.

Can I add Other Vegetables?

Absolutely! This summer salad recipe is super easy to customize to your liking.

How to Make my Cucumbers not Soggy?

Try pat drying your cucumbers before adding them, as well as sprinkling them with a little salt.

Close-up of a bowl containing a cucumber onion salad with sliced cucumbers, onions, and a creamy dill dressing.

Expert Tips for Making This Side Dish Recipe

  • This Recipe Can be Doubled: This is a great recipe for a potluck.  Increase ingredients proportionately and split it into two dishes.
  • Fresh Ingredients: Try and get the freshest ingredients that you can. I love shopping farmers markets for the freshest veggies and herbs.
  • Mayo Substitution: Try using greek yogurt or sour cream to make this sweet onion salad, you could even combine them.
  • Different Flavor: Try adding in some chopped dill pickle for more dill flavor. You can also add a little sugar to amp the sweetness.
  • Other Veggies: Try a little fennel, sliced tomato, or red onion slices to change up the flavor.
  • Cheese: This easy cucumber onion salad would be great topped with a little feta cheese.
  • Salt and Pepper: Crack some fresh ground black pepper and salt on top of this summertime salad.

What to Serve with the Best Cucumber Onion Salad Recipe

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A bowl of creamy cucumber onion salad with fresh dill, served in a light green bowl with a silver spoon.
5 from 10 votes

Creamy Cucumber Onion Salad

Yield: 4 servings
Prep: 10 minutes
Total: 10 minutes
Cucumber Onion Salad is a light and refreshing side salad. It’s quick and easy and it’s perfect for those hot summer days.
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⭐️ ⭐️ ⭐️ ⭐️ ⭐️Did you try this recipe? Please leave a star rating and review below!

Ingredients

  • 3 cups English cucumbers, Thinly sliced,if using regular cucumbers, peel them first
  • 1 cup Onion, Thinly sliced,
  • ½ cup Mayonnaise
  • 1 tablespoon White wine vinegar
  • 1 tablespoon Dried dill
  • 1 teaspoon Sugar
  • 1 teaspoon All Purpose Seasoning

Instructions

  • In a medium bowl, stir together mayonnaise, vinegar, dill, sugar and All Purpose Seasoning.
  • Add cucumber and onions; stir until fully coated.
  • Cover and refrigerate for at least 2 hours.

Expert Tips

  • This Recipe Can be Doubled: This is a great recipe for a potluck.  Increase ingredients proportionately and split it into two dishes.
  • Fresh Ingredients: Try and get the freshest ingredients that you can. I love shopping farmers markets for the freshest veggies and herbs.
  • Mayo Substitution: Try using greek yogurt or sour cream to make this sweet onion salad, you could even combine them.
  • Different Flavor: Try adding in some chopped dill pickle for more dill flavor. You can also add a little sugar to amp the sweetness.
  • Other Veggies: Try a little fennel, sliced tomato, or red onion slices to change up the flavor.
  • Cheese: This easy cucumber onion salad would be great topped with a little feta cheese.
  • Salt and Pepper: Crack some fresh ground black pepper and salt on top of this summertime salad.

Estimated Nutritional Information

Calories: 225kcal | Carbohydrates: 8g | Protein: 1g | Fat: 21g | Saturated Fat: 3g | Polyunsaturated Fat: 13g | Monounsaturated Fat: 5g | Trans Fat: 0.1g | Cholesterol: 12mg | Sodium: 764mg | Potassium: 205mg | Fiber: 1g | Sugar: 4g | Vitamin A: 145IU | Vitamin C: 6mg | Calcium: 38mg | Iron: 1mg
The nutritional information provided are estimates. To learn more about how I calculate this information go to www.itisakeeper.com/about-its-a-keeper/privacy-disclosure-policies/
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Course: Side Dish
Cuisine: American

6 thoughts on “Creamy Cucumber Onion Salad”

  1. 5 stars
    This is an old standard recipe that never fails! Grew up on this dish and I’m in my Late 70’s. People try to make things more fancy or but twists on things but sometimes simple is better. The ingredients work perfectly together. No need to improve.

    Reply

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