25 Ultimate Cucumber, Onion, and Vinegar Salad Recipes: The Refreshing Summer Guide

Thinly sliced cucumbers, crisp red onions, and a tangy vinegar marinade—few side dishes deliver such crisp crunch with so little effort. Whether you call it quick pickles, refrigerator salad, or traditional Gurkensalat, this classic dish belongs in every home cook’s rotation.

This ultimate recipe roundup details 25 distinct variations on the classic cucumber, onion, and vinegar salad so you can meal prep, elevate summer barbecues, or stick to specific dietary goals like keto and low-sodium.

1. Classic Crisp Cucumber Onion Vinegar Salad

Prep Time: 10 mins | Marinate Time: 20 mins | Servings: 4

Ingredients

• 2 large English cucumbers, thinly sliced
• 1 medium red onion, thinly sliced into half-moons
• 1/2 cup white vinegar
• 1/4 cup water
• 2 tbsp granulated sugar
• 1 tsp salt
• 1/2 tsp freshly cracked black pepper

Step-by-Step Instructions

1. Place sliced cucumbers and red onions in a large glass bowl.
2. In a small measuring cup, whisk together white vinegar, water, sugar, salt, and black pepper until the sugar completely dissolves.
3. Pour the liquid marinade directly over the cucumbers and onions.
4. Stir gently to ensure all vegetable slices are fully submerged.
5. Cover with plastic wrap and chill in the refrigerator for at least 20 minutes before serving crisp and cold.

2. Quick 30-Minute Pickled Cucumbers and Onions

Prep Time: 10 mins | Pickling Time: 30 mins | Servings: 4

Ingredients

• 3 Kirby or Persian cucumbers, sliced into 1/4-inch coins
• 1 small yellow onion, sliced thin
• 3/4 cup distilled white vinegar
• 1/2 cup water
• 1 tbsp salt
• 1 tbsp sugar
• 1/2 tsp mustard seeds

Step-by-Step Instructions

1. Combine cucumbers, yellow onions, and mustard seeds in a deep bowl or wide-mouth container.
2. In a small saucepan over medium heat, combine white vinegar, water, salt, and sugar. Warm just until the sugar and salt dissolve (do not boil).
3. Remove the brine from heat and let it cool for 5 minutes.
4. Pour the warm brine over the vegetable mixture.
5. Let sit at room temperature for 30 minutes to rapidly absorb the brine, then serve or refrigerate.

3. Old Fashioned Southern Cucumber & Onion Salad

Prep Time: 15 mins | Marinate Time: 1 hour | Servings: 6

Ingredients

• 3 regular garden cucumbers, peeled and sliced into rounds
• 1 large sweet Vidalia onion, thinly sliced
• 1 cup apple cider vinegar
• 1/2 cup water
• 1/3 cup granulated sugar
• 1 tsp celery salt
• 1/2 tsp black pepper

Step-by-Step Instructions

1. Place peeled cucumber slices in a colander, sprinkle with 1/2 tsp salt, and let drain for 15 minutes. Pat dry with paper towels to remove excess moisture.
2. In a large bowl, mix the dried cucumber slices and Vidalia onion rings.
3. Whisk the apple cider vinegar, water, sugar, celery salt, and black pepper together until smooth.
4. Pour brine over the veggies, tossing thoroughly to coat every slice.
5. Cover tightly and refrigerate for 1 hour so the sweet southern flavors meld together.

4. Creamy Dill Cucumber Onion Salad

Prep Time: 10 mins | Marinate Time: 15 mins | Servings: 4

Ingredients

• 2 English cucumbers, sliced paper-thin
• 1/2 red onion, sliced thin
• 1/4 cup white vinegar
• 1/3 cup sour cream (or plain Greek yogurt)
• 2 tbsp fresh dill, chopped
• 1 tsp sugar
• Salt and pepper to taste

Step-by-Step Instructions

1. In a medium bowl, whisk together the white vinegar, sour cream, chopped dill, sugar, salt, and black pepper until smooth.
2. Add the paper-thin cucumbers and sliced red onion to the bowl.
3. Gently fold the vegetables into the creamy dressing using a spatula until evenly coated.
4. Chill in the fridge for 15 minutes before serving as a rich, cool side dish.

5. Low-Calorie Cucumber Red Onion White Vinegar Salad

Prep Time: 10 mins | Marinate Time: 15 mins | Servings: 4

Ingredients

• 2 English cucumbers, sliced
• 1 red onion, thinly sliced
• 1/2 cup distilled white vinegar
• 1/2 cup cold water
• 1 tsp zero-calorie sweetener (like stevia or erythritol)
• 1/2 tsp sea salt
• Cracked black pepper to taste

Step-by-Step Instructions

1. Layer sliced cucumbers and red onions in a serving dish.
2. Whisk white vinegar, cold water, zero-calorie sweetener, sea salt, and black pepper in a small bowl.
3. Pour the light marinade over the salad and toss well.
4. Serve immediately or let chill for 15 minutes for a guilt-free, low-calorie side dish.

6. Sweet and Sour Cucumber Onion Vinegar Salad

Prep Time: 10 mins | Marinate Time: 30 mins | Servings: 4

Ingredients

• 2 long cucumbers, thinly sliced
• 1 sweet yellow onion, sliced into half-moons
• 1/2 cup rice vinegar
• 1/4 cup white sugar
• 1/4 cup water
• 1 tsp salt
• 1/4 tsp crushed red pepper flakes

Step-by-Step Instructions

1. Combine cucumbers and sweet onions in a mixing bowl.
2. Mix rice vinegar, sugar, water, salt, and red pepper flakes until sugar is completely dissolved.
3. Pour the sweet-and-sour mixture over the vegetables.
4. Allow the salad to marinate in the refrigerator for 30 minutes, tossing once halfway through.

7. 15-Minute Express Cucumber Onion Salad

Prep Time: 10 mins | Marinate Time: 5 mins | Servings: 2

Ingredients

• 1 English cucumber, sliced thin
• 1/4 red onion, thinly sliced
• 3 tbsp white wine vinegar
• 1 tbsp olive oil
• 1/2 tsp sugar
• Salt and black pepper to taste

Step-by-Step Instructions

1. Slice cucumber and onion directly into your serving bowl.
2. Drizzle white wine vinegar and olive oil over the top.
3. Sprinkle sugar, salt, and black pepper evenly over the vegetables.
4. Toss vigorously for 1 minute to break down the vegetable cells slightly.
5. Let rest for 5 minutes at room temperature and serve instantly.

8. Gut-Healthy Apple Cider Vinegar Cucumber Salad

Prep Time: 10 mins | Marinate Time: 20 mins | Servings: 4

Ingredients

• 2 organic cucumbers, sliced
• 1 small red onion, sliced thin
• 1/2 cup raw unfiltered apple cider vinegar (with the mother)
• 2 tbsp raw honey
• 1/4 cup water
• 1/2 tsp pink Himalayan salt

Step-by-Step Instructions

1. Add cucumber slices and red onion to a glass container.
2. In a separate cup, stir raw apple cider vinegar, honey, water, and pink Himalayan salt until the honey dissolves into the liquid.
3. Pour over the salad and toss well.
4. Let sit at room temperature for 20 minutes to activate probiotic-friendly flavors before serving.

9. Fresh Dill & White Vinegar Cucumber Salad

Prep Time: 10 mins | Marinate Time: 30 mins | Servings: 4

Ingredients

• 2 English cucumbers, sliced
• 1/2 yellow onion, thinly sliced
• 1/2 cup white vinegar
• 1/4 cup fresh dill, coarsely chopped
• 1 tbsp sugar
• 1 tsp kosher salt

Step-by-Step Instructions

1. Combine sliced cucumbers, yellow onions, and fresh dill in a glass bowl.
2. Whisk white vinegar, sugar, and kosher salt until dissolved.
3. Pour the liquid over the dill and vegetable mixture.
4. Stir gently and chill for 30 minutes before serving.

10. Keto Sugar-Free Cucumber Onion Vinegar Salad

Prep Time: 10 mins | Marinate Time: 20 mins | Servings: 4

Ingredients

• 2 medium cucumbers, sliced
• 1/2 red onion, thinly sliced
• 1/2 cup apple cider vinegar
• 1/4 cup water
• 1.5 tbsp powdered monk fruit sweetener
• 1 tsp salt

Step-by-Step Instructions

1. Place cucumber slices and red onions into a medium container.
2. Whisk apple cider vinegar, water, monk fruit sweetener, and salt together until smooth.
3. Pour over the salad, coating all vegetables.
4. Refrigerate for 20 minutes before serving as a low-carb side.

11. Asian Sesame Rice Vinegar Cucumber Salad

Prep Time: 15 mins | Marinate Time: 10 mins | Servings: 4

Ingredients

• 4 Persian cucumbers, thinly sliced
• 1/4 red onion, shaved thin
• 3 tbsp unseasoned rice vinegar
• 1 tbsp toasted sesame oil
• 1 tbsp low-sodium soy sauce
• 1 tsp honey
• 1 tbsp toasted sesame seeds

Step-by-Step Instructions

1. Toss sliced Persian cucumbers and shaved red onions in a serving bowl.
2. Whisk rice vinegar, toasted sesame oil, soy sauce, and honey until emulsified.
3. Pour dressing over cucumbers and toss to coat.
4. Sprinkle toasted sesame seeds over top and serve after 10 minutes.

12. Spicy Chili-Flake Cucumber Onion Vinegar Salad

Prep Time: 10 mins | Marinate Time: 15 mins | Servings: 4

Ingredients

• 2 English cucumbers, sliced
• 1/2 red onion, sliced
• 1/2 cup white vinegar
• 1 tsp red pepper flakes (or 1 sliced jalapeno)
• 1 tbsp sugar
• 1 tsp salt

Step-by-Step Instructions

1. Combine cucumber, onion, and red pepper flakes (or jalapeno slices) in a bowl.
2. Dissolve sugar and salt into white vinegar.
3. Pour the spicy vinegar mixture over the salad and mix thoroughly.
4. Let marinate for 15 minutes before serving.

13. Refrigerator Mason Jar Pickled Cucumbers and Onions

Prep Time: 15 mins | Marinate Time: 2 hours | Servings: 6

Ingredients

• 3 cucumbers, sliced into 1/8-inch rounds
• 1 large red onion, thinly sliced
• 1 cup white vinegar
• 1 cup water
• 2 tbsp sugar
• 1 tbsp salt
• 2 cloves garlic, smashed

Step-by-Step Instructions

1. Pack sliced cucumbers, red onions, and smashed garlic cloves tightly into two clean 16-oz mason jars.
2. Whisk white vinegar, water, sugar, and salt in a bowl until completely dissolved.
3. Pour brine into jars, covering veggies completely leaving 1/2 inch of headspace.
4. Seal jars tightly and refrigerate for at least 2 hours before eating. Keeps for 2 weeks in the fridge.

14. Paper-Thin Mandoline Cucumber & Red Onion Salad

Prep Time: 10 mins | Marinate Time: 15 mins | Servings: 4

Ingredients

• 2 English cucumbers
• 1 red onion
• 1/2 cup white wine vinegar
• 2 tbsp extra virgin olive oil
• 1 tsp sugar
• 1 tsp sea salt

Step-by-Step Instructions

1. Using a mandoline slicer set to 1/16-inch, carefully slice cucumbers and red onion into ultra-thin ribbons.
2. Combine white wine vinegar, olive oil, sugar, and sea salt in a small bowl.
3. Toss sliced vegetables gently with dressing until fully coated.
4. Let rest 15 minutes to absorb liquid before serving.

15. Summer Tomato, Cucumber, Onion & Vinegar Salad

Prep Time: 15 mins | Marinate Time: 15 mins | Servings: 4

Ingredients

• 2 medium cucumbers, diced
• 2 large ripe tomatoes, chopped
• 1/2 red onion, thinly sliced
• 1/3 cup red wine vinegar
• 3 tbsp extra virgin olive oil
• 1 tsp dried oregano
• Salt and black pepper to taste

Step-by-Step Instructions

1. Combine diced cucumbers, chopped tomatoes, and red onion in a salad bowl.
2. Whisk red wine vinegar, olive oil, dried oregano, salt, and pepper in a small bowl.
3. Drizzle over tomatoes and cucumbers, tossing lightly.
4. Let stand at room temperature for 15 minutes so flavors fuse with tomato juices.

16. Zesty Garlic & Black Pepper Vinegar Cucumber Salad

Prep Time: 10 mins | Marinate Time: 20 mins | Servings: 4

Ingredients

• 2 English cucumbers, sliced
• 1/2 yellow onion, sliced thin
• 2 cloves garlic, minced
• 1/2 cup distilled white vinegar
• 1 tbsp sugar
• 1 tsp coarse black pepper
• 1 tsp salt

Step-by-Step Instructions

1. Add cucumbers, yellow onions, and minced garlic to a glass bowl.
2. Stir white vinegar, sugar, black pepper, and salt together until sugar dissolves.
3. Pour mixture over vegetables and stir well.
4. Chill 20 minutes before serving alongside grilled meats.

17. Greek-Style Red Wine Vinegar Cucumber & Onion Salad

Prep Time: 15 mins | Marinate Time: 20 mins | Servings: 4

Ingredients

• 2 English cucumbers, sliced thick
• 1 red onion, sliced into rings
• 1/2 cup pitted Kalamata olives
• 1/3 cup red wine vinegar
• 1/4 cup olive oil
• 1 tsp dried oregano
• 1/2 cup crumbled feta cheese

Step-by-Step Instructions

1. Combine cucumbers, red onion rings, and Kalamata olives in a bowl.
2. Whisk red wine vinegar, olive oil, and oregano together.
3. Pour dressing over salad and toss to combine.
4. Top with crumbled feta cheese right before serving.

18. Seedless English Cucumber & Onion Vinegar Salad

Prep Time: 10 mins | Marinate Time: 15 mins | Servings: 4

Ingredients

• 2 English seedless cucumbers, sliced into thick coins
• 1 sweet onion, sliced thin
• 1/2 cup apple cider vinegar
• 2 tbsp water
• 1 tbsp sugar
• 1 tsp kosher salt

Step-by-Step Instructions

1. Slice English cucumbers directly into a bowl with sweet onions.
2. Mix apple cider vinegar, water, sugar, and kosher salt in a measuring cup.
3. Pour brine over vegetables and toss thoroughly.
4. Refrigerate for 15 minutes and serve crisp.

19. Authentic German Sweet Cucumber Salad (Gurkensalat)

Prep Time: 15 mins | Marinate Time: 30 mins | Servings: 4

Ingredients

• 2 long cucumbers, peeled and thinly sliced
• 1 small white onion, chopped fine
• 1/3 cup white vinegar
• 2 tbsp water
• 2 tbsp sugar
• 2 tbsp fresh parsley, chopped
• 1 tsp salt

Step-by-Step Instructions

1. Place cucumber slices in a bowl, sprinkle with salt, and let stand for 15 minutes. Drain excess liquid.
2. Add finely chopped white onion and parsley to cucumbers.
3. Whisk white vinegar, water, and sugar together until dissolved.
4. Pour dressing over cucumbers and chill for 30 minutes before serving.

20. Overnight Marinated Cucumber Onion Vinegar Salad

Prep Time: 15 mins | Marinate Time: 8 hours | Servings: 6

Ingredients

• 3 large cucumbers, sliced
• 1 large red onion, sliced thin
• 1 cup white vinegar
• 1/2 cup water
• 1/3 cup sugar
• 1 tbsp salt
• 1/2 tsp celery seeds

Step-by-Step Instructions

1. Layer cucumbers and red onions in an airtight glass dish.
2. Whisk white vinegar, water, sugar, salt, and celery seeds until sugar is fully dissolved.
3. Pour liquid completely over vegetables.
4. Seal container and refrigerate overnight (8–12 hours) for maximum crunch and flavor.

21. Low-Sodium Herb Cucumber Onion Salad

Prep Time: 10 mins | Marinate Time: 20 mins | Servings: 4

Ingredients

• 2 English cucumbers, sliced
• 1 red onion, sliced thin
• 1/2 cup apple cider vinegar
• 1/4 cup water
• 1 tbsp fresh lemon juice
• 1/4 tsp salt
• 2 tbsp fresh dill or parsley, chopped

Step-by-Step Instructions

1. Mix sliced cucumbers, red onion, and fresh herbs in a bowl.
2. Whisk apple cider vinegar, water, lemon juice, and salt.
3. Pour over veggies and stir to coat evenly.
4. Let marinate in fridge for 20 minutes before serving.

22. Balsamic Glazed Cucumber and Sweet Onion Salad

Prep Time: 10 mins | Marinate Time: 15 mins | Servings: 4

Ingredients

• 2 cucumbers, sliced
• 1 Vidalia sweet onion, sliced into rings
• 1/3 cup dark balsamic vinegar
• 2 tbsp extra virgin olive oil
• 1 tsp honey
• Salt and black pepper to taste

Step-by-Step Instructions

1. Place cucumbers and sweet onion rings in a shallow bowl.
2. Whisk balsamic vinegar, olive oil, honey, salt, and pepper until combined.
3. Drizzle dressing over salad and toss to coat.
4. Let stand for 15 minutes for the balsamic flavor to absorb into the vegetables.

23. Spiralized Cucumber & Pickled Red Onion Salad

Prep Time: 15 mins | Marinate Time: 10 mins | Servings: 4

Ingredients

• 2 large English cucumbers, spiralized into noodles
• 1/2 red onion, thinly sliced
• 1/2 cup rice vinegar
• 1 tbsp honey
• 1 tsp salt
• 1 tsp black sesame seeds

Step-by-Step Instructions

1. Process cucumbers through a spiralizer to create long vegetable noodles. Place in a bowl with red onion.
2. Whisk rice vinegar, honey, and salt until smooth.
3. Pour liquid over cucumber noodles and toss with tongs.
4. Garnish with black sesame seeds and serve after 10 minutes.

24. Budget 3-Ingredient Cucumber Onion Vinegar Salad

Prep Time: 5 mins | Marinate Time: 15 mins | Servings: 4

Ingredients

• 2 large cucumbers, sliced
• 1 yellow onion, sliced thin
• 1/2 cup white vinegar
• 1/2 cup water
• 1 tsp salt

Step-by-Step Instructions

1. Add sliced cucumbers and yellow onions directly to a bowl.
2. Mix white vinegar, water, and salt until salt dissolves.
3. Pour liquid over vegetables.
4. Chill in the fridge for 15 minutes before serving.

25. Fresh Herb-Infused Summer Vinegar Cucumber Salad

Prep Time: 15 mins | Marinate Time: 20 mins | Servings: 4

Ingredients

• 2 English cucumbers, sliced
• 1 red onion, sliced thin
• 1/2 cup white wine vinegar
• 2 tbsp fresh basil, chopped
• 2 tbsp fresh mint, chopped
• 1 tbsp honey
• 1 tsp salt

Step-by-Step Instructions

1. Toss cucumbers, red onion, chopped basil, and chopped mint together in a serving dish.
2. Whisk white wine vinegar, honey, and salt until smooth.
3. Pour dressing over the salad and toss gently to combine.
4. Refrigerate for 20 minutes and serve cool for an aromatic summer side.