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    Home » Recipes » Gluten Free

    June 2, 2021

    Cucumber Tomato Onion Feta Salad

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    Veggie packed cucumber and onion salad with feta crumbles, diced avocado, juicy grape tomatoes and a tangy homemade salad dressing is the perfect side for your summer cookout. This tasty dish is super healthy, light and refreshing. Even better? It takes only 30 minutes and a handful of simple ingredients to whip it up! 

    Cucumber, onion and tomato salad in a glass mixing bowl.
    Cucumber And Onion Salad

    *Disclaimer: This article may contain affiliate links. As an Amazon Associate, I earn from qualifying purchases at no additional cost to you. Thank you for your support!

    This delicious salad makes the perfect, easy side dish for a summer cookout or barbeque. If you're looking for more easy sides, be sure to check out my Ditalini Pasta Salad, Watermelon Mint Feta Salad, Asparagus Pasta Salad or my incredible, creamy Greek Yogurt Chicken Salad!

    Jump to:
    • Ingredients For Cucumber Tomato Feta Salad
    • How To Make Crisp Cucumber Onion Salad
    • Handy Tips
    • How To Store Leftovers
    • More Cookout Sides
    • Cucumber Tomato Onion Feta Salad

    Ingredients For Cucumber Tomato Feta Salad

    • Fresh cucumber: the star of the show! Crunchy and refreshing, perfect for a hot summer day. I often use English cucumbers which are typically found in shrink wrap at the grocery store. Garden or Persian cucumbers also work. 
    • Sweet onion: a milder variety of onion that adds nice flavor to this salad.
    • Grape tomatoes: for a gorgeous pop of color! Cherry tomatoes will also work great and you can also opt to dice larger tomatoes into small pieces.
    • Avocado: adds delicious, velvety texture to compliment crunchy ingredients.
    • Crumbled feta cheese: savory crumbles pair flawlessly with the wealth of veggies in this dish.
    • Olive oil, white wine vinegar & lemon juice: the base for a tangy salad dressing. You can also substitute red wine vinegar if that's what you have on hand!
    • Salt, black pepper, rosemary & dill: spices and fresh herbs for dressing (feel free to experiment).
    Halved zucchini close up.
    A gorgeous cucumber!

    How To Make Crisp Cucumber Onion Salad

    Keep scrolling for complete recipe and measurements. We'll start here with a quick rundown!

    • Slice cucumber, and dice sweet onion into very small pieces. Cut fresh tomatoes in half and dice avocado. Add all ingredients to a large bowl.
    • Add feta cheese and gently begin to toss ingredients together.
    • Measure salad dressing ingredients into a small bowl and whisk. Drizzle over salad.
    • Toss dressing into salad ingredients.
    • Plate & enjoy!
    Grape tomatoes on a white countertop.
    Scattered grape tomatoes.

    Handy Tips

    • If you prefer, you can leave your salad dressing on the side rather than tossing it into salad ingredients. Diners can then add desired amount to their plate.
    • Feel free to get creative with this recipe and add different veggies or varieties of cheese. I've also made this salad with goat cheese, which was delicious! Goat cheese tends to "melt" into this salad a bit, resulting in a creamier texture overall.
    • Make more of a "Greek salad" by adding some kalamata olives or black olives for Mediterranean flavors galore.
    • Ingredients for cucumber and onion salad arranged on a white countertop.
    • Cucumber cut into half moons.
    • Ingredients for cucumber and onion salad measured into a mixing bowl.

    How To Store Leftovers

    Transfer leftover tomato cucumber feta salad to an airtight container and store in the refrigerator for up to 3-4 days. I really enjoy eating leftover salad as a light lunch the next day!

    More Cookout Sides

    • Greek Yogurt Egg Salad
    • Simple Garden Salad Recipe
    • Tomato Peach And Basil Salad
    • Beet & Goat Cheese Salad
    • Easy Homemade Guacamole
    • Fruit Salad With Whipped Cream
    • Olive Salad

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    Cucumber and onion salad in a glass mixing bowl with text overlay for Pinterest.
    Tomato Cucumber Salad
    Cucumber, onion and tomato salad in a glass mixing bowl.
    Print Recipe
    4.58 from 21 votes

    Cucumber Tomato Onion Feta Salad

    Veggie packed cucumber and onion salad with feta, avocado, grape tomatoes and a tangy homemade salad dressing is the perfect side for your summer cookout. This tasty dish is super healthy, light and refreshing. Even better? It takes only 30 minutes to whip it up!
    Prep Time30 minutes mins
    Cook Time0 minutes mins
    Course: Salad, Side Dish
    Cuisine: American
    Keyword: 30 minute recipe, 4th Of July Foods, Cucumber And Onion Salad, Gluten Free, Keto Friendly, Low Carb, Salad Recipe, Summer Cookout Side Dishes, Tangy, Vegetarian, With Homemade Dressing, With Vinegar Dressing
    Servings: 5
    Calories: 180kcal
    Author: Stacey Adams

    Ingredients

    Salad:

    • 1 large English cucumber *or any type of cucumber you like!
    • 1 sweet onion
    • 10 oz grape tomatoes *cherry tomatoes also work well!
    • 1 medium avocado
    • 4 oz feta cheese crumbles

    Dressing:

    • 2 tablespoons extra virgin olive oil
    • 4 tablespoons white wine vinegar *or red wine vinegar
    • 1 teaspoon salt
    • ½ teaspoon ground black pepper
    • ½ teaspoon rosemary *dried/crushed
    • Juice from 1 lemon
    • 1 tablespoon chopped fresh dill

    Recipe tips: 

    • Leave dressing on the side, if preferred. 
    • Feel free to add different vegetables or varieties of cheese. I've also made this salad with goat cheese, which was delicious! Goat cheese tends to "melt" into this salad a bit, resulting in a creamier texture.
    • Make more of a Greek style salad by incorporating olives for lots of Mediterranean flavor.

    Instructions

    • Cut cucumber in half lengthwise and slice into thin half moons. Dice sweet onion into very small pieces, cut grape tomatoes in half and dice avocado. Add all ingredients to a large bowl.
    • Add feta cheese crumbles and gently begin to toss ingredients together.
    • Measure olive oil, white wine vinegar, salt, pepper, rosemary, lemon juice and fresh chopped dill into a small mixing bowl and whisk until well combined. Drizzle over salad and toss into ingredients. (*tip: if preferred, you can leave salad dressing to the side and allow diners to add desired amount to plated salads).
    • Enjoy!

    Nutrition

    Serving: 1/5th of recipe | Calories: 180kcal | Carbohydrates: 9.5g | Protein: 6.5g | Fat: 13g | Fiber: 3g | Sugar: 4g
    « Zucchini, Squash And Corn Casserole (One Skillet)
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    541 shares

    Reader Interactions

    Comments

    1. Juliet says

      June 03, 2021 at 6:42 am

      Looks delish, Stacey! Can’t wait to give it a try. xo

      Reply
      • stacey_olson says

        June 07, 2021 at 7:55 am

        Yay! Hope you enjoy, friend!

        Reply
      • Judy says

        June 20, 2021 at 2:44 pm

        Very refreshing salad. Love the flavor with the cucumbers!

        Reply
        • stacey_olson says

          June 21, 2021 at 7:41 am

          Glad you enjoyed it!

          Reply
    2. Karen Velinsky says

      June 03, 2021 at 10:17 am

      Look so light, the perfect summer salad! Can't wait to try it..
      Thanks for sharing.

      Reply
      • stacey_olson says

        June 07, 2021 at 7:53 am

        Of course! And yes! It is the perfect summer salad. I hope you enjoy. <3

        Reply
    3. Leslie Watkins says

      June 09, 2021 at 9:37 pm

      This looks amazing! Trying this one for sure…always looking for a great idea with cucumbers.❤️

      Reply
      • stacey_olson says

        June 10, 2021 at 4:06 pm

        I love cucumbers, too! They are so versatile.

        Reply
    4. Carol Karl | Living a Real Life says

      July 24, 2021 at 4:28 pm

      This looks so yummy and refreshing. It reminds me of one my Mum used to make when I was small.

      Reply
      • stacey_olson says

        July 25, 2021 at 9:10 am

        Thank you! So glad it brings back pleasant memories for you! <3

        Reply
    5. Carol says

      June 02, 2023 at 11:39 am

      1 star
      Was the garlic ingredient left out of the recipe?? Please advise. Thanks!

      Reply
      • Garlic Salt & Lime says

        June 02, 2023 at 11:52 am

        Hi Carol, I'm a bit confused by your comment. This particular recipe doesn't call for garlic at all. Thank you!

        Reply
    4.58 from 21 votes (20 ratings without comment)

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