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tomato cucumber and onion salad tossed in a vinaigrette
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3.67 from 9 votes

Cucumber Tomato Onion Salad

This cucumber tomato onion salad is full of fresh sliced cucumbers, cherry tomatoes and red onion, all tossed in a red wine vinaigrette and sprinkled with feta cheese. The perfect light and refreshing side dish for any summer meal!
Prep Time20 mins
Total Time20 mins
Course: DIET, DINNER, LUNCH, salad + dressing, sides
Cuisine: gluten free, low carb + keto, Mediterranean, vegetarian
Servings: 4 servings
Calories: 180kcal
Author: Dani Spies


  • 2 large cucumbers 6 cups chopped
  • 3 cups cherry tomatoes halved
  • 1/4 medium red onion thinly sliced
  • 3 tbsp. extra virgin olive oil
  • 3 tbsp. red wine vinegar
  • 1 clove garlic crushed
  • 2 ounces feta cheese crumbled into hearty pieces
  • Kosher salt and pepper to taste


  • In a large bowl combine chopped cucumbers, cherry tomatoes, and red onion. Set aside.
    chopped veggies in a bowl
  • In a separate bowl (I like using a glass measuring cup for this) combine olive oil, vinegar, garlic, salt and pepper. Whisk everything together.
    cucumber salad dressing
  • Pour dressing over the veggies and toss until well combined. Finish by gently tossing in feta cheese. Enjoy!
    dressing being drizzled over the salad
  • Makes 6 cups (4 servings).
    cucumber tomato salad served in a white bowl



Store leftover salad in an airtight storage container in the refrigerator for about 3 days. Before serving again, give it a good stir and taste + season again as needed.


Serving: 1salad | Calories: 180kcal | Carbohydrates: 9g | Protein: 4g | Fat: 14g | Saturated Fat: 4g | Cholesterol: 13mg | Sodium: 175mg | Potassium: 474mg | Fiber: 2g | Sugar: 6g | Vitamin A: 714IU | Vitamin C: 31mg | Calcium: 107mg | Iron: 1mg