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Easy Low Carb Tomato Cucumber Salad

This cucumber tomato salad is the perfect light, refreshing side dish that is low carb and keto-friendly.

You can enjoy this easy tomato cucumber salad recipe all summer long as it makes the perfect accompaniment to any meal, especially summer barbecues. Freshly chopped vegetables (onion), ripe fruit (tomatoes and cucumbers), and fresh parsley are tossed in a tangy homemade red wine vinaigrette.

Bowl of tomato cucumber salad made with red onions, tomatoes, cucumber, and cilantro.

This cucumber tomato onion salad is great for casual dinners or potluck parties because it feeds a crowd without breaking the bank. We hope you enjoy this quick and easy cucumber tomato salad recipe as much as we do!

The best part is you don’t need to spend hours in the kitchen prepping – just chop up some fruits and veggies and toss them together with a quick dressing! There’s no added sugar, so you can feel good about eating it.

This recipe is proof that you can eat fruit and veggies while following a low-carb or keto diet. The recipe is by Faith Gorsky and Lara Clevenger and is one of 100+ recipes in their book, Keto BBQ – From Bunless Burgers to Cauliflower “Potato” Salad, 100+ Delicious, Low-Carb Recipes For a Keto-Friendly Barbecue.

Let’s take a quick look at the recipe.

How To Make Tomato Cucumber Salad

For this super simple salad, you need the following ingredients:

  • Extra-virgin olive oil
  • Red wine vinegar
  • Salt
  • Pepper
  • English cucumber
  • Tomatoes
  • Red onion
  • Parsley

In order to have everything in place and ready to go, prepare the cucumber, tomatoes, red onion, and parsley.

Next, combine olive oil, red wine vinegar, salt, and pepper in a large bowl to make the vinaigrette dressing.

Add the chopped fruits, veggies, and herbs to the bowl and toss.

You can make this simple salad a day before you plan on serving it. The extra time will allow the flavors to meld. Caution though – you don’t want to make this too far in advance because it only keeps for a couple of days in the refrigerator.

Simple Substitutions

You can use any type of tomato that you have on hand. If you are counting calories and carbs, you can go to My Fitness Pal or WebMd’s Food Calculator to compare nutrition information. Tomatoes are not going to vary much when it comes to calories.

If you don’t have English cucumbers, simply use the standard grocery store cucumber like an American slicing cucumber.

Like cilantro? It works really well in place of parsley. If you’re not a fan of either parsley or cilantro, try basil for a pop of color and to add a layer of flavor.

Bowl of tomato-cucumber salad with red onions.

Tomato-Cucumber Salad

Faith Gorsky
This easy cucumber tomato salad recipe makes a low-carb, healthy side dish that compliments any meal. A homeamde red wine vinaigrette complements fresh cut fruits and vegetables.
5 from 1 vote
Prep Time 10 mins
Total Time 10 mins
Course Side Dish
Cuisine American
Servings 6 servings
Calories 57 kcal


  • Mixing bowl
  • Chef's knife


  • 2 tbsp extra-virgin olive oil
  • 1 tbsp red wine vinegar
  • ¼ tsp salt
  • ¼ tsp ground black pepper
  • ½ medium English cucumber chopped
  • 2 medium tomatoes cored and chopped
  • ½ small red onion peeled and thinly sliced
  • 2 tbsp fresh parsley minced


  • In a large bowl, whisk together oil, vinegar, salt, and pepper.
  • Add cucumber, tomatoes, onion, and parsley and toss together all ingredients. Serve.


Excerpted from Keto BBQ by Faith Gorsky and Lara Clevenger, MSH, RDN, CPT. Copyright © 2021 by Simon & Schuster, Inc. Used with permission of the publisher, Adams Media, an imprint of Simon & Schuster. All rights reserved.

If you don’t like parsley, you can use cilantro or basil.
Feel free to use your favorite type of tomato or cucumber.
It’s okay to remove the cucumber peel if you don’t like them.  Leaving the peel on will provide a little extra fiber.


Serving: 1Calories: 57kcalCarbohydrates: 4gProtein: 1gFat: 5gSaturated Fat: 1gPolyunsaturated Fat: 1gMonounsaturated Fat: 3gSodium: 101mgPotassium: 157mgFiber: 1gSugar: 2gVitamin A: 481IUVitamin C: 9mgCalcium: 13mgIron: 1mg
Keyword low-carb, salad
Tried this recipe?Mention @SouthernKissed or tag #SouthernKissed!

The ingredients for this cucumber and tomato salad are so simple but they come together beautifully to create one of the most satisfying salads out there. Add some protein like grilled chicken or shrimp on top if you want something more substantial. And if you’re feeling extra hungry, add some avocado too!

We hope this recipe becomes your new go-to summertime staple because we know how hard it is to find healthy recipes that taste great without breaking the bank or taking all day long! So grab those veggies from your fridge and get chopping today!

If you are looking for more low carb and keto-friendly grilling and barbecue recipes, be sure to check out the Keto BBQ cookbook. Look for it at your favorite bookstore or feel free to use my Amazon affiliate to purchase it online.

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