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Cucumber Tomato Salad

This recipe for marinated Cucumber Tomato Salad takes advantage of those abundant summer vegetables and combines them with the most deliciously easy marinade!

A FRESH SUMMER SALAD WITH A LIGHT MARINADE

I’m not sure there are other vegetables that scream “summer!” quite like tomatoes and cucumbers. I do not have a green thumb at all but I can manage to grow tomatoes and cucumbers as they don’t require a whole lot – ha! I love to make this Cucumber Tomato Salad to use up those garden veggies as a fresh side dish for my summer meals. It also makes a wonderfully light lunch too. The marinade really brings out the best in the vegetables while still allowing their natural flavors to shine through!

closeup photo of marinated sliced tomatoes, cucumbers and onion in a bowl with a basil leaf.

With so many tomatoes and cucumbers popping up in my garden, I was running out of ideas! This marinated salad was just what I was looking for! I have made it about 5 times already and each time, it gets eaten quickly. Friends and family have absolutely loved it and it is so simple to make!
– Ann

FREQUENTLY ASKED QUESTIONS:

Can I use a sugar substitute for the sugar?

Yes you can. Just adjust accordingly. Each sugar substitute measures differently.

Can I leave out the onion?

Even if you don’t enjoy eating onion, I would still leave it in the recipe. It really adds to the overall flavor of the dish. However, if you just can’t stand onions then obviously leave it out. See my tip below in the ingredient list about reducing the pungency of fresh onions.

What other fresh herbs could I add?

Fresh oregano and fresh parsley are some other delicious options. You could even sprinkle on a little dried Italian seasoning.

Could I add garlic?

Absolutely! I think a little fresh minced garlic would be absolutely delicious!

Can I dice up the cucumbers and tomatoes to be smaller?

Yes. This is just an old traditional southern tomato salad recipe and it’s just how we’ve always cut it up. Obviously, if you prefer smaller chunks then dice it up however you like.

How do I store leftovers?

This salad is best if eaten within the first two or three days. It will keep in a covered container, in the fridge, for up to 5 days. And because someone will ask me – no you cannot freeze it.

Marinated Tomato Cucumber Salad recipe from The Country Cook - a serving of the salad shown on a brown and white Spode plate with a fork set off to the side.

INGREDIENTS NEEDED: (SEE RECIPE CARD BELOW FOR THE FULL RECIPE)

  • cucumbers – if using regular cucumbers, you need to peel them. But you can also use English cucumbers (the ones in plastic wrappers) and those have a super thin skin that you can eat so those do not need to be peeled.
  • tomatoes – I just used beefsteak tomatoes straight from my garden. You want to use a nice, plump, flavorful tomato that slices well.
  • sweet onion – if you find onions too strong in flavor, you can slice them up then dip them in some ice water for a few minutes to reduce the pungency.
  • white vinegar – I think plain white vinegar works best but if you really love apple cider vinegar, you can use that.
  • granulated sugar – I know it might seem strange to add sugar here but it really helps to balance out the vinegar flavor. It’s a small amount for the full 10 servings of this dish. You don’t taste sweetness in this at all – just a nice balance of flavor.
  • kosher salt and black pepper – freshly ground black pepper really works best in this if you have a pepper grinder.
  • fresh basil leaves – this really brings the full summer flavor to this dish. Not manly I would say dried basil works fine as a substitute but I think you’d really be missing out on a ton of flavor if you did that.
ingredients needed: cucumbers, tomatoes, sweet onion, white vinegar, water, olive oil, granulated sugar, kosher salt, freshly ground black pepper.

HOW TO MAKE MARINATED TOMATO CUCUMBER SALAD:

In a large bowl, add sliced cucumbers, tomato wedges and sliced sweet onion. Set the bowl aside while making the marinade. As you can see, I went with a bowl that was far too small – ha! So please use a bigger bowl than I did. I had to transfer everything over to a larger bowl. In a large mason jar with a lid, add vinegar, water, olive oil, sugar, salt and pepper and shake well. Alternatively, you can whisk all the marinade ingredients together in a bowl.

collage of two photos: sliced tomatoes, cucumbers and onions in a bowl and marinade ingredients in a mason jar.

Pour marinade over cucumber/tomato mixture in large bowl, add sliced basil, then stir well. Cover bowl with plastic wrap and put it into the refrigerator to chill for about 2 hours. 

collage of two photos: pouring marinade over tomatoes, onions and cucumbers and all the ingredients shown in a white plastic bowl.

Optional: to serve: stir mixture really well then drain most of the marinade out (leaving just about 1/3 cup in the bottom of the bowl.)

tomato cucumber and onion salad shown in a brown and white Spode serving bowl with fresh cucumbers and a tomato in the background.

CRAVING MORE RECIPES?

Originally published: July 2021
Updated and republished: June 2025

Marinated Tomato Onion and Cucumber Salad recipe

Cucumber Tomato Salad (+Video)

This recipe for marinated Cucumber Tomato Salad takes advantage of those abundant summer vegetables and combines them with the most deliciously easy marinade!
8 Reviews
Print Pin Rate
Prep Time: 10 minutes
Marinating Time: 2 hours
Total Time: 2 hours 10 minutes
Servings: 10

Ingredients

  • 3 large cucumbers, peeled and cut into about 1/4-inch thick slices 
  • 4 large ripe tomatoes, cut into wedges
  • 1 small sweet onion, sliced into thin strips
  • ½ cup white vinegar
  • cup water 
  • ½ cup extra virgin olive oil
  • 3 Tablespoons granulated sugar
  • 1 Tablespoon kosher salt 
  • 2 teaspoons freshly ground black pepper
  • 3 fresh basil leaves, sliced into strips

Instructions

  • In a large bowl, add 3 large cucumbers, peeled and cut into about 1/4-inch thick slices , 4 large ripe tomatoes, cut into wedges and 1 small sweet onion, sliced into thin strips. Set the bowl aside while making the marinade.
    sliced tomatoes, onion and cucumbers in a bowl
  • In a large mason jar with a lid, add 1/2 cup white vinegar, 1/3 cup water , 1/2 cup extra virgin olive oil, 3 Tablespoons granulated sugar, 1 Tablespoon kosher salt  and 2 teaspoons freshly ground black pepper and shake well. Alternatively, you can whisk all the marinade ingredients together in a bowl.
    marinade ingredients shown in a large mason jar.
  • Pour marinade over cucumber/tomato mixture in large bowl add 3 fresh basil leaves, sliced into strips and stir.
    pouring marinade over sliced vegetables in a bowl.
  • Cover bowl with plastic wrap and put it into the refrigerator to chill for about 2 hours. This step is really important so don't skip.
  • Optional: To serve, stir mixture really well then drain most of the marinade out (leaving just about 1/3 cup in the bottom of the bowl.)
    Marinated Tomato Cucumber Salad in a plastic bowl.

Video

YouTube video

Notes

  • Please refer to my FAQ’s and ingredient list above for other substitutions or for the answers to the most common questions.
  • This salad is best if eaten within the first two or three days. It will keep in a covered container, in the fridge, for up to 5 days. Do not freeze.
  • Vegetables can be cut up smaller based on your preference. 
  • Fresh oregano and fresh parsley (or a little dried Italian seasoning) are some other delicious herb options.
Course: Appetizer, Side Dish
Cuisine: American

Nutrition

Calories: 146kcal | Carbohydrates: 11g | Protein: 1g | Fat: 11g | Sodium: 707mg | Fiber: 2g | Sugar: 8g

Nutritional Disclaimer

“The Country Cook” is not a dietician or nutritionist, and any nutritional information shared is an estimate. If calorie count and other nutritional values are important to you, we recommend running the ingredients through whichever online nutritional calculator you prefer. Calories and other nutritional values can vary quite a bit depending on which brands were used.

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Recipe Rating




9 Comments

  1. 5 stars
    With so many tomatoes and cucumbers popping up in my garden, I was running out of ideas! This marinated salad was just what I was looking for! I have made it about 5 times already and each time, it gets eaten quickly. Friends and family have absolutely loved it and it is so simple to make!

  2. Made this for years, but used red wine vinegar and garlic along with basil and parsley.great side dish, but be sure to make it ahead of time so flavor can marry.

  3. 5 stars
    Growing up this was one of our favorite salads. I don’t recall having the sliced basil in it, but the rest was pretty much like grandma made it. Thank you. I’m going to try it with the basil and see how I like it.