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Keto Cucumber Tomato Salad

Getting dinner on the table quickly is easier than ever before with this go-to keto Cucumber Tomato Salad. And, the best part is that you can mix and match with whatever you’ve got in the house. No fancy ingredients are required!

Tomato and Cucumber Salad in a bowl.
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I’ve been eating keto or low-carb for years now to keep my type 2 diabetes in check, and it works wonders. Cooking like this doesn’t have to be hard. Sometimes, the simplest recipes really shine. Like this Tomato & Cucumber Salad.

You can make this salad all year long, but it’s especially delicious if you have local vine-ripened tomatoes. My whole family loves this salad, and it makes a great side dish, or I’ll even add grilled chicken or shrimp to turn it into a light and delicious meal.

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What You Need To Make This Tomato And Cucumber Recipe

  • Tomatoes – just about any kind of super nutritious tomatoes will do!
  • Cucumber(s)
  • Shallot
  • Red wine vinegar
  • Avocado oil
  • Salt and pepper
  • Fresh parsley for a garnish
  • That’s it!
Tomato salad in a bowl.

Go for the best Ingredients in this Keto Cucumber Tomato Salad

The key to this simple recipe is great quality ingredients.

If you can get tomatoes just off the vine, terrific! If not, splurge for a pint of gorgeous-looking cherry or grape tomatoes. Sometimes I get those packs with different color and shapes of tomatoes. This just adds interest to this easy tomato cucumber recipe.

Just be sure to cut bigger tomatoes in half, and I often quarter the cucumbers.

What Kind of Cucumbers Should I Use?

I’m a HUGE fan of English Cucumbers. You know, those long ones that are always shrink-wrapped? Why? Because they’re practically seedless. And you can eat the peel!

In fact, I can’t remember the last time I bought a waxy cucumber with tough seeds in them.

You could even opt for mini cucumbers – they tend to have a bit stronger flavor, but they’re still just as great!

A variety of colorful tomatoes are also perfect for this tomato cucumber salad.

How To Make This Keto Cucumber Tomato Salad

For a complete list of ingredients and instructions, please scroll down to the recipe at the bottom of this page.

It’s a pretty simple keto salad recipe and one that can come together in just a few minutes!

  1. Chop the tomatoes if using larger tomatoes, or slice cherry tomatoes in half.
  2. Finely chop the shallot.
  3. Wash and cut the cucumber. I cut it into rounds and then into quarters.
  4. Mix the vinaigrette by whisking the red wine vinegar into the olive oil to create an emulsion.
  5. Combine and toss it all together!

Step-by-Step Process

Chef Jenn’s Tips to Make This Keto Cucumber Salad with Tomato Perfect Every Time

  • Use the freshest and nicest veggies you can get!
  • Serve this dish at room temperature – it tastes so much better.
  • Add a pinch of red pepper flakes for a touch of heat.
  • Make sure the Italian seasoning has no hidden sugars
  • Add a clove of garlic for even more flavor!

If you let this dish sit out on the counter for a wee bit, the salt will start to force the juices out of the tomato, creating a lovely liquid at the bottom of the bowl that’s perfect for slurping.


Make it a Meal

Serve this lovely dish as a side dish, or make a meal of it with grilled chicken or try this easy-peasy Bacon-Wrapped Pork Tenderloin recipe. This Butter & Herb Turkey Breast is another great pick, or use your favorite sugar-free BBQ sauce for these smoked chicken thighs.

Just be sure to make lots, because it’ll get devoured quickly!

What kind of tomatoes should I use in a tomato cucumber salad?

Cherry tomatoes, cut in half, grape tomatoes, or any kind of tomatoes will work fabulously in a tomato and cucumber salad. Even a mix of different colored tomatoes will make a pretty salad!

Are tomatoes keto?

Tomatoes are higher in natural carbs than some other picks, so people doing strict keto often shy away from eating tomatoes. However, in moderation, tomatoes can work with a keto diet. Just count your carbs!

How many carbs are in a cucumber salad with tomatoes?

In this recipe, made with tomato, cucumber, shallot, and a vinaigrette, there are 3 net carbs per generous half-cup serving.

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keto cucumber tomato salad
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5 from 6 votes

Keto Cucumber Tomato Salad

A quick and easy salad that’s bursting with fresh flavors and tasty ingredients.
Course Salad, Side Dish
Cuisine Italian
Keyword chicken salad, cucumber, tomato
Prep Time 10 minutes
Total Time 10 minutes
Servings 6 servings
Calories 37kcal
Author Chef Jenn


  • 1 each English cucumber diced
  • 1 pint cherry tomatoes halved
  • 1 each shallot finely chopped
  • 1 tbsp avocado oil
  • 2 tsp red wine vinegar
  • 1 tbsp Italian seasoning
  • salt and pepper to taste


  • Wash and dice the cucumber.
  • Wash and slice the cherry tomatoes, or dice the tomato if using larger tomatoes.
  • Thinly slice or dice the shallot.
  • Make the vinaigrette by whisking the red wine vinegar into the oil. Add the Italian seasoning.
  • Toss it all together and serve!


Serving: 0.5cup | Calories: 37kcal | Carbohydrates: 4g | Protein: 1g | Fat: 2g | Saturated Fat: 1g | Sodium: 9mg | Potassium: 184mg | Fiber: 1g | Sugar: 2g | Vitamin A: 400IU | Vitamin C: 18mg | Calcium: 22mg | Iron: 1mg | Net Carbohydrates: 3g

A Note on Nutritional Information

Nutritional information for this recipe is provided as a courtesy and is calculated based on available online ingredient information. It is only an approximate value. The accuracy of the nutritional information for any recipe on this site cannot be guaranteed. Erythritol carbs (sugar substitutes) are not included in the carbohydrate counts as they have been shown not to impact blood sugar, and they have zero calories and zero carbs. Net carbs are the total carbs minus fiber.

Even More To Love!

If you’re looking for even more keto scrumptiousness, check out some of my top picks!

about jenn

Hi, I’m Jenn!

I’m a cookbook author (Keto Soup Cookbook and Keto Diabetic Cookbook and Meal Plan) as well as a retired chef, recipe developer, and writer of this blog (that’s a lot of hats!). I embarked on a journey to create foodie-worthy Keto-friendly meals that any home cook can be proud of! No matter if you’re low-carb, no-carb, dirty, or strict Keto, there are recipes in Keto Cooking Wins for you and your family. Read more...

7 thoughts on “Keto Cucumber Tomato Salad”

  1. 5 stars
    I’ve finally found a fantastic recipe that combines cucumber and pepper in such a great way. Delicious combo!


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