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Marinated Cucumbers, Onions, and Tomatoes Recipe


Marinated cucumbers, onions, and tomatoes is a refreshing and tangy salad that’s perfect for summer picnics, barbecues, or as a light side dish. This dish combines the crispness of cucumbers, the sweetness of tomatoes, and the sharpness of onions, all marinated in a flavorful vinaigrette. In this blog post, we’ll walk you through the ingredients, instructions, and tips for making the perfect marinated cucumber, onion, and tomato salad. Additionally, we’ll provide variations and address frequently asked questions to ensure you achieve the best results.


This marinated salad is a classic dish that’s easy to make and full of fresh flavors. The combination of vegetables soaked in a tangy vinaigrette makes for a light and refreshing side dish that complements a variety of main courses. It’s perfect for warm weather and can be made ahead of time, allowing the flavors to meld together beautifully. Let’s dive into the ingredients and steps needed to create this delicious salad.



For the Marinated Cucumbers, Onions, and Tomatoes:

  • 3 medium cucumbers, peeled and sliced 1/4 inch thick
  • 1 medium onion, sliced and separated into rings
  • 3 medium tomatoes, cut into wedges
  • 1/2 cup vinegar
  • 1/4 cup sugar
  • 1 cup water
  • 2 teaspoons salt
  • 1 teaspoon fresh coarse ground black pepper
  • 1/4 cup oil
  • 1 teaspoon chopped fresh mint (optional)


Step 1: Prepare the Vegetables

  1. Slice the Cucumbers: Peel the cucumbers and slice them into 1/4 inch thick rounds.
  2. Slice the Onion: Slice the onion and separate it into rings.
  3. Cut the Tomatoes: Cut the tomatoes into wedges.

Step 2: Prepare the Marinade

  1. Combine Ingredients: In a large bowl, mix together the vinegar, sugar, water, salt, black pepper, and oil. Stir until the sugar and salt are completely dissolved.

Step 3: Marinate the Vegetables

  1. Add Vegetables to Marinade: Add the sliced cucumbers, onion rings, and tomato wedges to the bowl with the marinade. Toss to coat the vegetables evenly.
  2. Add Fresh Mint: If using, add the chopped fresh mint to the bowl and stir to combine.
  3. Chill: Cover the bowl and refrigerate for at least 2 hours, or overnight for the best flavor. Stir occasionally to ensure the vegetables are evenly marinated.

Step 4: Serve

  1. Serve Cold: Serve the marinated salad cold, straight from the refrigerator. Use a slotted spoon to drain off excess marinade before serving. Enjoy!

Cooking Notes and Variations

Cooking Notes

  • Marinating Time: For the best flavor, let the vegetables marinate for at least 2 hours. Overnight marination allows the flavors to meld even more.
  • Storage: Store any leftovers in an airtight container in the refrigerator for up to 3 days.


  1. Spicy Marinated Salad: Add a pinch of red pepper flakes or a diced jalapeño to the marinade for a spicy kick.
  2. Herb Variation: Substitute the mint with other fresh herbs like basil, dill, or parsley for a different flavor profile.
  3. Add Bell Peppers: Add sliced bell peppers for extra color and crunch.

Frequently Asked Questions (FAQs)

Q1: Can I use a different type of vinegar?

A: Yes, you can use other types of vinegar like apple cider vinegar or white wine vinegar for a slightly different flavor.


Q2: Can I use grape or cherry tomatoes?

A: Yes, grape or cherry tomatoes can be used instead of medium tomatoes. Simply halve them and add to the salad.


Q3: How do I store leftover salad?

A: Store any leftover salad in an airtight container in the refrigerator for up to 3 days.


Q4: Can I add other vegetables to this salad?

A: Absolutely! Feel free to add other vegetables like bell peppers, radishes, or even thinly sliced carrots for additional texture and flavor.

Q5: Can I make this salad ahead of time?

A: Yes, this salad can be made a day in advance. In fact, it tastes even better the next day as the flavors have more time to meld.


Marinated cucumbers, onions, and tomatoes is a refreshing and easy-to-make salad that’s perfect for any occasion. With its tangy vinaigrette and crisp vegetables, it’s sure to become a favorite. Follow these simple steps and tips to create a delicious and vibrant salad that your family and friends will love. Enjoy this fresh and flavorful dish with your favorite meals!