A crisp bite of freshly sliced cucumber and the sharpness of onion come together to create a refreshing Cucumber and Onion Salad that brings back memories of summer picnics. Ready in just 20 minutes, this dish highlights simple ingredients with a perfect blend of tanginess from vinegar and a hint of sweetness, making it an ideal side for your next barbecue or meal.
This recipe is perfect for anyone seeking a light and refreshing salad—great for summer gatherings or as a chilled side dish during warmer months. You can make it ahead of time and store it in the fridge; it actually tastes better after the flavors have melded together!
Why You’ll Love This Recipe
- The crispness of cucumbers contrasts beautifully with the softness of onions.
- It comes together quickly, making it great for busy weekdays.
- The vinegar dressing adds a tangy flavor that elevates the simple ingredients.
- Fresh herbs can be added for a delightful touch of color and flavor.
What You’ll Need
Here’s what you’ll need to make this easy salad:
For the Salad
- 2 cucumbers, sliced
- 1 large onion, thinly sliced
For the Dressing
- 1/2 cup vinegar (white or apple cider)
- 1 tablespoon sugar
- Salt and pepper to taste
For Serving
- Olive oil (optional)
- Fresh herbs (like parsley or dill) for garnish (optional)
Use apple cider vinegar for a sweeter flavor.
Substitutions & Swaps
- White vinegar can replace apple cider vinegar.
- Any salad onion can be used instead of a large onion.
- Honey can substitute sugar for a natural sweetener.
- Fresh oregano can be used in place of parsley or dill.
How to Make It
Follow these simple steps to create your refreshing salad.
Combine ingredients
In a bowl, combine sliced cucumbers and onions.
Mix dressing
In a separate bowl, mix vinegar, sugar, salt, and pepper until sugar dissolves.
Pour dressing
Pour the vinegar mixture over cucumber and onion.
Toss to coat
Toss to coat and let it sit for at least 15 minutes before serving.
Garnish and serve
Drizzle with olive oil if desired and garnish with fresh herbs.
How to Store It
Fridge: store in an airtight container for up to 3 days.
Freezer: no, texture will degrade.
Reheat: not needed, serve chilled.
Tips for Best Results
- Allow the salad to sit for longer than 15 minutes for deeper flavor.
- Use a mandoline for perfectly even cucumber slices.
- Adjust the sugar level to balance the tanginess to your preference.
- Add a splash of lemon juice for extra brightness.
Serving Suggestions
- Serve as a refreshing side to grilled meats.
- Pair with a hearty sandwich for a complete meal.
- Perfect for potlucks or summer picnics.




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