This Marinated Cucumbers, Onions, and Tomatoes recipe is a delightful and refreshing side dish, perfect for summer gatherings or a quick meal at home. The blend of crisp cucumbers, juicy tomatoes, and zesty onions marinated in a tangy vinaigrette makes this salad not just delicious but also visually appealing. Its versatility allows it to complement any main course, making it an ideal addition to barbecues, picnics, or family dinners.

Jump to:
- Why You’ll Love This Recipe
- Tools and Preparation
- Essential Tools and Equipment
- Importance of Each Tool
- Ingredients
- For the Salad
- For the Marinade
- How to Make Marinated Cucumbers, Onions, and Tomatoes
- Step 1: Prepare the Vegetables
- Step 2: Make the Marinade
- Step 3: Combine Ingredients
- Step 4: Toss to Coat
- Step 5: Chill Before Serving
- Step 6: Serve with Fresh Herbs
- How to Serve Marinated Cucumbers, Onions, and Tomatoes
- As a Standalone Salad
- With Grilled Meats
- In Tacos or Wraps
- As a Sandwich Filling
- On Charcuterie Boards
- With Rice or Quinoa Bowls
- How to Perfect Marinated Cucumbers, Onions, and Tomatoes
- Best Side Dishes for Marinated Cucumbers, Onions, and Tomatoes
- Common Mistakes to Avoid
- Storage & Reheating Instructions
- Refrigerator Storage
- Freezing Marinated Cucumbers, Onions, and Tomatoes
- Reheating Marinated Cucumbers, Onions, and Tomatoes
- Frequently Asked Questions
- What variations can I try with Marinated Cucumbers, Onions, and Tomatoes?
- How long should I let Marinated Cucumbers, Onions, and Tomatoes sit before serving?
- Can I use other types of vinegar for this recipe?
- Is this salad suitable for meal prep?
- Final Thoughts
- 📖 Recipe Card
Why You’ll Love This Recipe
- Quick and Easy Preparation: This recipe takes only a few minutes to prepare, making it perfect for busy weeknights.
- Fresh Ingredients: Using fresh cucumbers and tomatoes ensures a vibrant flavor that enhances any meal.
- Versatile Side Dish: It pairs well with various main dishes, from grilled meats to vegetarian fare.
- Customizable Flavor: Feel free to adjust the marinade with your favorite herbs and spices for a personalized touch.
- Perfect for Meal Prep: Make it ahead of time and let the flavors develop in the fridge—great for busy days!
Tools and Preparation
To create this delicious salad, you’ll need some essential tools that make the process smooth and easy.
Essential Tools and Equipment
Importance of Each Tool
- Chef’s knife: A sharp knife makes slicing vegetables quick and safe.
- Mixing bowl: A large bowl helps combine all ingredients without spilling.
- Storage container: Ideal for marinating the salad in the fridge and keeping it fresh.
Ingredients
For the Salad
- 2 cucumbers, thinly sliced
- 1 pint cherry or grape tomatoes, halved
- 1 small red or white onion, thinly sliced
For the Marinade
- 1/4 cup apple cider vinegar or red wine vinegar
- 2 tbsp extra virgin olive oil
- 1 clove garlic, minced
- 1 tbsp chopped fresh parsley or dill
- Salt and pepper to taste
- 1/2 tsp red pepper flakes (optional)
How to Make Marinated Cucumbers, Onions, and Tomatoes
Step 1: Prepare the Vegetables
Wash and slice the cucumbers into thin rounds. Halve the cherry or grape tomatoes. Thinly slice the onion.
Step 2: Make the Marinade
In a mixing bowl, whisk together:
1. Vinegar
2. Olive oil
3. Minced garlic
4. Salt
5. Pepper
If you like a bit of heat, add red pepper flakes at this stage.
Step 3: Combine Ingredients
In a large bowl, combine:
– Sliced cucumbers,
– Halved tomatoes,
– Sliced onions.
Pour the marinade over these vegetables.
Step 4: Toss to Coat
Gently toss all ingredients together until they are well-coated in the marinade.
Step 5: Chill Before Serving
Cover the salad and refrigerate for at least 30 minutes. For best results, let it marinate for a few hours or overnight.
Step 6: Serve with Fresh Herbs
Before serving, give the salad another gentle toss. Garnish with fresh herbs like parsley or dill for added flavor and presentation.
How to Serve Marinated Cucumbers, Onions, and Tomatoes
Serving Marinated Cucumbers, Onions, and Tomatoes can elevate any meal with their refreshing taste. Here are some delightful ways to enjoy this vibrant dish.
As a Standalone Salad
- This salad is fantastic on its own as a light and refreshing dish during hot summer days.
With Grilled Meats
- Pair it with grilled chicken or steak for a perfect balance of flavors. The acidity complements the richness of the meat.
In Tacos or Wraps
- Use the marinated veggies as a topping in tacos or wraps. They add a crunchy texture and zesty flavor that enhances every bite.
As a Sandwich Filling
- Add these marinated vegetables to sandwiches for extra crunch and flavor. They work well with both cold cuts and veggie options.
On Charcuterie Boards
- Include this salad on a charcuterie board for added color and taste. It pairs beautifully with cheeses and cured meats.
With Rice or Quinoa Bowls
- Serve them over rice or quinoa bowls for an easy, nutritious meal. The marinade seeps into the grains, making each bite delicious.

How to Perfect Marinated Cucumbers, Onions, and Tomatoes
To ensure your Marinated Cucumbers, Onions, and Tomatoes turn out perfectly every time, follow these helpful tips.
- Choose fresh ingredients: Use ripe tomatoes and firm cucumbers for the best texture and flavor in your salad.
- Adjust the marinade: Feel free to tweak the vinegar type or add lemon juice for a different tang.
- Let it marinate longer: For maximum flavor, allow the salad to marinate overnight in the refrigerator.
- Mix before serving: Toss the salad again just before serving to redistribute the marinade evenly.
- Experiment with herbs: Try different herbs like basil or cilantro for varied flavor profiles.
- Add protein: Incorporate chickpeas or feta cheese to make it more filling as a main dish.
Best Side Dishes for Marinated Cucumbers, Onions, and Tomatoes
Marinated Cucumbers, Onions, and Tomatoes pair nicely with various side dishes that enhance your meal’s overall appeal. Consider these tasty options:
- Grilled Corn on the Cob: Sweet corn adds a smoky flavor that contrasts beautifully with the refreshing salad.
- Roasted Potatoes: Crispy potatoes provide a hearty side that balances the lightness of the salad.
- Caprese Salad: The combination of mozzarella, basil, and tomatoes complements your marinated dish perfectly.
- Garlic Bread: A crunchy garlic bread is perfect for soaking up any leftover marinade from your plate.
- Coleslaw: A creamy coleslaw adds another layer of texture that pairs well with your refreshing salad.
- Pasta Salad: A cold pasta salad can be an excellent addition for those who want something heartier alongside their meal.
- Stuffed Bell Peppers: These provide a colorful option filled with rice and vegetables that match your fresh salad well.
- Baked Zucchini Fries: Lightly seasoned zucchini fries make for a fun finger food that contrasts nicely with your cucumber salad.
Common Mistakes to Avoid
Making Marinated Cucumbers, Onions, and Tomatoes can be simple, but a few common mistakes can affect the flavor and texture of your dish.
- Boldly skip the marinating time: Not allowing enough time for the vegetables to marinate can result in a bland salad. Aim for at least 30 minutes, but longer is better.
- Boldly neglect proper slicing: Cutting the vegetables unevenly can lead to inconsistent textures. Ensure all pieces are similar in thickness for even marination.
- Boldly overdo the seasoning: Adding too much salt or vinegar can overpower the fresh flavors. Start with small amounts and adjust to taste.
- Boldly ignore freshness: Using wilted or overly ripe vegetables may compromise the salad’s quality. Always choose fresh cucumbers, tomatoes, and onions.
- Boldly forget about herbs: Skipping fresh herbs can make your dish taste flat. Include parsley or dill for added flavor and freshness.

Storage & Reheating Instructions
Refrigerator Storage
- Store in an airtight container.
- The salad is best enjoyed within 3-5 days for optimal freshness.
Freezing Marinated Cucumbers, Onions, and Tomatoes
- It’s not recommended to freeze this salad due to the high water content of cucumbers and tomatoes.
Reheating Marinated Cucumbers, Onions, and Tomatoes
- Oven: Not applicable as this dish is served cold.
- Microwave: Avoid reheating; it’s best enjoyed chilled.
- Stovetop: Not suitable for reheating; consume fresh.
Frequently Asked Questions
If you have questions about Marinated Cucumbers, Onions, and Tomatoes, here are some common inquiries.
What variations can I try with Marinated Cucumbers, Onions, and Tomatoes?
You can add ingredients like bell peppers or olives for extra flavor. Try different herbs such as basil or cilantro too!
How long should I let Marinated Cucumbers, Onions, and Tomatoes sit before serving?
Letting it sit for at least 30 minutes enhances flavor absorption. For best results, refrigerate overnight.
Can I use other types of vinegar for this recipe?
Yes! You can substitute apple cider vinegar with red wine vinegar or white wine vinegar depending on your preference.
Is this salad suitable for meal prep?
Absolutely! This salad keeps well in the fridge and makes for a great make-ahead option.
Final Thoughts
Marinated Cucumbers, Onions, and Tomatoes is a delightful dish that brings freshness to any meal. Its versatility allows you to customize it based on your preferences or seasonal ingredients. Try making this salad at your next gathering or enjoy it as a light lunch during warm days!
Did You Enjoy Making This Recipe? Please rate this recipe with ⭐⭐⭐⭐⭐ or leave a comment.
📖 Recipe Card
PrintMarinated Cucumbers, Onions, and Tomatoes
Marinated Cucumbers, Onions, and Tomatoes is a vibrant and refreshing side dish that’s perfect for warm weather meals or gatherings. This quick recipe combines crisp cucumbers, juicy tomatoes, and zesty onions, all marinated in a tangy vinaigrette that enhances their natural flavors. Not only is it a visually appealing addition to any table, but its versatility allows it to pair beautifully with grilled meats, tacos, or even as a standalone salad. Easy to prepare and customizable with your favorite herbs and spices, this dish is an essential for summer dining.
- Prep Time: 10 minutes
- Cook Time: None
- Total Time: 0 hours
- Yield: Serves about 4 people 1x
- Category: Side Dish
- Method: No Cooking
- Cuisine: American
Ingredients
- 2 cucumbers, thinly sliced
- 1 pint cherry or grape tomatoes, halved
- 1 small red or white onion, thinly sliced
- 1/4 cup apple cider vinegar or red wine vinegar
- 2 tbsp extra virgin olive oil
- 1 clove garlic, minced
- 1 tbsp chopped fresh parsley or dill
- Salt and pepper to taste
Instructions
- Prepare the vegetables: Wash and slice cucumbers into thin rounds. Halve the cherry tomatoes and thinly slice the onion.
- Make the marinade: In a mixing bowl, whisk together vinegar, olive oil, minced garlic, salt, and pepper.
- Combine ingredients: In a large bowl, mix the prepared cucumbers, tomatoes, and onions.
- Toss to coat: Pour the marinade over the vegetable mixture and gently toss until well coated.
- Chill before serving: Cover and refrigerate for at least 30 minutes to let the flavors meld.
Nutrition
- Serving Size: 1 cup (150g)
- Calories: 80
- Sugar: 4g
- Sodium: 230mg
- Fat: 6g
- Saturated Fat: 1g
- Unsaturated Fat: 5g
- Trans Fat: 0g
- Carbohydrates: 8g
- Fiber: 2g
- Protein: 1g
- Cholesterol: 0mg





