Marinated Cucumbers, Onions, and Tomatoes

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Fresh, crisp, and bursting with vibrant flavors, this Marinated Cucumbers, Onions, and Tomatoes recipe is a simple yet delightful dish. The combination of crunchy cucumbers, juicy tomatoes, and zesty onions marinated in a tangy, herb-infused dressing makes for the perfect side dish. Whether served at a summer barbecue, alongside grilled meats, or as a refreshing salad, this recipe is both easy to prepare and incredibly satisfying.

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A Refreshing and Flavorful Side Dish

This marinated salad is all about bold, fresh flavors coming together in perfect harmony. The cucumbers provide a cool crunch, the onions add a slight bite, and the tomatoes bring a natural sweetness. The marinade enhances these ingredients with a delicious blend of vinegar, olive oil, and seasonings, creating a dish that’s both refreshing and packed with taste.

Why You’ll Love This Recipe

  • Easy to Prepare – With minimal chopping and a quick mix of ingredients, this salad comes together in just minutes.
  • Light and Healthy – Packed with fresh vegetables and a simple vinaigrette, it’s a nutritious option for any meal.
  • Make-Ahead Friendly – The flavors develop beautifully as it marinates, making it perfect for meal prep or gatherings.
  • Versatile Side Dish – Serve it with grilled chicken, fish, burgers, or even on its own as a refreshing snack.

This marinated salad is the perfect blend of textures and flavors, making it a must-try for any occasion.

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Ingredients for Marinated Cucumbers, Onions, and Tomatoes

To make this delicious and refreshing salad, you’ll need fresh, simple ingredients that come together beautifully.

  • Cucumbers – Choose crisp, firm cucumbers like English or Persian cucumbers for the best texture.
  • Cherry or Grape Tomatoes – These provide a burst of sweetness and juicy flavor. You can also use diced Roma or heirloom tomatoes.
  • Onions – Thinly sliced red or white onions add a sharp contrast that balances the salad’s flavors.
  • Vinegar – Apple cider vinegar or red wine vinegar adds the perfect amount of tanginess to the marinade.
  • Olive Oil – Extra virgin olive oil enhances the richness of the dressing.
  • Garlic – Minced fresh garlic infuses the salad with aromatic depth.
  • Fresh Herbs – Chopped parsley or dill brings a touch of freshness and color.
  • Salt and Pepper – To taste, enhancing the overall flavor profile.
  • Red Pepper Flakes (optional) – For a slight kick of heat.

How to Make Marinated Cucumbers, Onions, and Tomatoes

Creating this flavorful dish is incredibly simple. Follow these steps for the perfect marinated salad:

Step 1: Prepare the Vegetables

Wash and dry the cucumbers and tomatoes thoroughly. Slice the cucumbers into thin rounds and halve the cherry or grape tomatoes. Thinly slice the onions into rings or half-moons.

Step 2: Make the Marinade

In a mixing bowl, whisk together the vinegar, olive oil, minced garlic, salt, and pepper. If using red pepper flakes, add them now for a bit of spice.

Step 3: Combine and Toss

In a large bowl, combine the sliced cucumbers, tomatoes, and onions. Pour the prepared marinade over the vegetables and toss gently to coat everything evenly.

Step 4: Let it Marinate

Cover the bowl and refrigerate for at least 30 minutes to allow the flavors to meld together. For the best taste, let it marinate for a few hours or overnight.

Step 5: Serve and Enjoy

Before serving, give the salad a quick toss and garnish with freshly chopped herbs. Serve chilled and enjoy the refreshing flavors!

How Long to Marinate the Salad

The marination time impacts the depth of flavor in the salad. Here’s a general guide:

  • 30 minutes – A quick marination for a fresh, light taste.
  • 2-4 hours – Allows the flavors to develop more fully.
  • Overnight – Produces the best results, as the vegetables absorb all the marinade flavors.

How to Store Leftovers

If you have any leftovers, storing them properly ensures the salad stays fresh and flavorful:

  • Refrigeration – Store in an airtight container for up to 3 days. The flavors continue to develop over time.
  • Avoid Freezing – Due to the high water content of cucumbers and tomatoes, freezing is not recommended as it may result in a soggy texture.

Tips for the Best Marinated Salad

  • Use Fresh Ingredients – Fresh cucumbers, tomatoes, and onions will provide the best texture and flavor.
  • Let It Sit – The longer it marinates, the better it tastes!
  • Customize the Marinade – Adjust vinegar, oil, or seasonings to suit your taste preferences.
  • Serve Chilled – This salad is best served cold, making it extra refreshing on warm days.
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Marinated Cucumbers, Onions, and Tomatoes


  • Author: Sally Thompson
  • Total Time: 26 minute
  • Yield: 4 servings 1x

Description

This Marinated Cucumbers, Onions, and Tomatoes recipe is a refreshing and flavorful side dish, perfect for summer gatherings or everyday meals. Crisp cucumbers, juicy tomatoes, and zesty onions are marinated in a tangy vinaigrette, creating a vibrant and delicious salad.


Ingredients

Scale

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

1/2 tsp red pepper flakes (optional)


Instructions

  1. Wash and slice the cucumbers, halve the tomatoes, and thinly slice the onion.

  2. In a mixing bowl, whisk together vinegar, olive oil, garlic, salt, and pepper. Add red pepper flakes if using.

  3. Combine cucumbers, tomatoes, and onions in a large bowl.

  4. Pour the marinade over the vegetables and toss gently to coat evenly.

  5. Cover and refrigerate for at least 30 minutes, preferably a few hours or overnight.

  6. Toss again before serving and garnish with fresh herbs.

  • Prep Time: 10 minutes
  • Marination Time: 30 minutes to overnight

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