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Kalyn's Kitchen

Not-so-Dumb Salad with Cucumber, Tomato, Avocado, and Balsamic Vinegar

Not-so-Dumb Salad with Cucumbers, Tomatoes, Onions, Avocado, and Balsamic Vinegar is an amazing recipe I got from a reader named Lisa! This amazingly simple and delicious salad is Low-Carb, Gluten-Free, Paleo, Whole 30, South Beach Phase One, and Vegan! Use the Salad Index to find more recipes like this one.

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Not-so-Dumb Salad with Cucumbers, Tomatoes, Onions, Avocado, and Balsamic Vinegar found on KalynsKitchen.com

There are a lot of salads with tomatoes and cucumbers on this blog.  That’s partly because I love tomatoes and cucumbers and grow them in my garden every year.  To me that combination just screams summer, but I also eat tomatoes and cucumbers all year (whenever I can get good flavorful tomatoes and Persian cucumbers from Costco.)  So when a reader from Hawaii named Lisa sent me her recipe that she called “dumb salad” and said it was something she made often, I was interested.

Lisa discovered this combination when she was going out of town and needed to use what was on hand, and I promise you, this salad idea that combines cucumbers, tomatoes, onion, avocado, and balsamic vinegar is not dumb at all!  That’s why I had to re-name it Not-so-Dumb Salad with Cucumber, Tomato, Avocado, and Balsamic Vinegar! Of course, only make this when you have fresh flavorful tomatoes, but I loved the combination of flavors, accented with just a little good sea salt and some coarse ground black pepper.  And I also love the idea of a salad with no added oil except the “good fat” from the avocado.

Lisa invited me to change it up a bit, but really I didn’t change it much except to sub diagonally-sliced green onions for the sweet onions she used.  I was making more than I’d eat right away, so I also tossed the avocado with just the tiniest bit of lemon juice to make sure it didn’t go brown.  Lisa’s friends suggested adding lots of chopped herbs, and I’m thinking mint, basil, or parsley could also have a supporting role in this salad if you wanted to add them, but for my first time I just made the salad like Lisa does and happily gobbled it up for lunch!

Not-so-Dumb Salad with Cucumbers, Tomatoes, Onions, Avocado, and Balsamic Vinegar found on KalynsKitchen.com

I used my first garden cucumber which I combined with two Persian cucumbers.  You could also use one large European cucumber instead of three small ones. Not many tomatoes yet around here, so I used sweet Cherubs tomatoes from Costco.  This is something I buy over and over.  (Cherubs has never paid me or sent tomatoes, I just like their product!) I cut the green onion in diagonal slices to make about 1/4 cup, but more would be okay too.

You need one perfectly ripe avocado, diced into smallish pieces. I tossed the avocado with just a couple of teaspoons of lemon juice to keep the leftovers from turning brown.  (I’m guessing 99% of the time you make this it will all be eaten right away, so feel free to skip this step if that’s the case.) Gently toss together the cucumbers, tomatoes, onion, and avocado, then dress with just enough good quality balsamic vinegar to coat the veggies.  Season to taste with good sea salt and fresh ground black pepper and enjoy!

More Tasty Salads with Cucumbers and Tomatoes:

Tomato, Cucumber, and Radish Salad with Yogurt and Tahini Dressing from Kalyn’s Kitchen
Tomato Cucumber Salad from [No Recipes]
Cucumber and Tomato Salad with Marinated Garbanzo Beans from Kalyn’s Kitchen
Heirloom Tomato and Cucumber Salad from Ciao Florentina
Vegan Tomato Salad with Cucumbers, Avocado, Cilantro, and Lime from Kalyn’s Kitchen

Not-so-Dumb Salad with Cucumbers, Tomatoes, Onions, Avocado, and Balsamic Vinegar found on KalynsKitchen.com

Not-so-Dumb Salad with Cucumber, Tomato, Avocado, and Balsamic Vinegar

This amazingly simple and delicious salad I got from a reader named Lisa is definitely not a dumb idea for a tasty salad!


  • 3 small Persian cucumbers or garden cucumbers
  • 1 cup diced tomato or cherry tomatoes
  • 1/4 cup thinly diagonally sliced green onion or thinly sliced sweet onion (or more)
  • 1 avocado
  • 2 tsp. fresh lemon juice (optional, for tossing with avocado)
  • about 1 T good-quality balsamic vinegar
  • sea salt and fresh ground black pepper to taste


  1. Cut cucumbers in half lengthwise, then slice into half-moon slices.  (I never peel Persian cucumbers, but if you use other cucumbers you might want to peel some of the skin off in stripes before you slice them.)
  2. Dice tomatoes or cut cherry tomatoes in half to make one cup.  (Only make this salad when you have flavorful fresh tomatoes.)
  3. Diagonally slice green onion or slice onion to make 1/4 cup, or more if you like onion.
  4. Peel and cut up the avocado into small cubes.
  5. Combine the cucumber, tomato, onion, and avocado in a plastic or glass bowl and gently toss together.
  6. Add a small amount of balsamic vinegar, enough to barely coat the veggies, and toss again.  (I used about a tablespoon of vinegar, which was plenty.)
  7. Season to taste with your favorite sea salt and plenty of fresh-ground black pepper.
  8. If you’re making more salad than is going to be eaten right away you can toss the avocado with a few teaspoons of fresh lemon juice so they don’t turn brown, but this is best freshly made.
  9. If you like it as much as I did, you probably won’t have leftovers no matter how much you make!


This recipe created by a reader named Lisa who lives on Maui.

All images and text ©

Low-Carb Diet / Low-Glycemic Diet / South Beach Diet Suggestions:
This Salad with Cucumbers, Tomatoes, Onions, Avocado, and Balsamic Vinegar is perfect for most types of low-carb eating plans, including Paleo. Everything in this salad is a perfect low-glycemic and low-carb ingredient for the South Beach Diet. Avocado is a limited food for South Beach, so keep that in mind.

Find More Recipes Like This One:

Use the Recipes by Diet Type photo index pages to find more recipes suitable for a specific eating plan. You might also like to Follow Kalyn’s Kitchen on Pinterest to see all the good recipes I’m sharing there.

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    56 Comments on “Not-so-Dumb Salad with Cucumber, Tomato, Avocado, and Balsamic Vinegar”

  1. Pingback: Creamy Cucumber Salad Recipe With Yogurt - Give Recipe

  2. This was so delicious and quick with fresh off the vine cucumbers, tomatoes and onions.  We have a lovely bowl for lunch and it’s hubby approved.  Thanks for the recipe.

  3. My granddaughter loves this. I don't like avocado, though, so I leave some without it for me. I also like adding mint. And I agree about the Cherubs. I buy them for snacking, usually. Since moving to AZ 10 years ago, I have missed good tomatoes. You just can't grow the best ones here because it gets too hot too fast. You have to settle for early tomatoes or hot house (ugh!). People here look at me in a funny way when I say AZ doesn't have real tomatoes. I've had them say, "We have one of the biggest tomato operations around just north of here!" No, a good tomato is what you get in late July and August in a temperate climate! But Cherubs came to my rescue. They aren't the same, but at least, they aren't cardboard like.

  4. Am adding a nice Bulgarian feta, basil and cooked pasta to the recipe for potlucks. Because of a number of gluten free friends, I use quinoa/corn shells or elbow pasta.

  5. I add dark red kidney beans to this when eating it as the main dish.

  6. My favorite combination in a salad, tomatoes and cucumbers make magic together. I grow tomatoes more and more every year, and I live off off them during summer and fall. Perfection!

  7. Oh yes, love the idea of adding feta to this! Thanks for sharing.

  8. Been enjoying this as a lunch pretty regularly since it was posted years ago. Yesterday I added feta. Can't believe it never occurred to me before to try that. Was great with the feta. Well, pretty much everything is great with feta. Lol!

  9. I tried a slight variant of this and posted it on my blog. We've had so many cucumbers this year and so it's great to find simple ways to use them. Thanks for the great recipe! If you're interested in the post, check it out here: http://twoladiesandaladle.blogspot.com/2012/08/alinas-cucumber-tomato-and-avocado-salad.html

  10. I love it that so many people are discovering this.

    Luana your Mexicanish version sounds great too!

  11. Kalyn, this is similar to one of my favorite summer salads: tomato, red onion, radishes, avocado and cilantro. All it needs is a little salt and pepper, a good splash of lime juice, and it's perfect.