Avocado Cucumber Salad

Prep: 10 min Total: 10 min Servings: 8
Annie Lampella @ Ketofocus

By Annie Lampella, Pharm.D.

Published June 20, 2019 • Updated February 1, 2026

Reader Rating
4.8 Stars (16 Reviews)
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If you ever eat guacamole by the spoonfuls, then this recipe is for you! Cucumber Avocado Salad is a delicious keto salad to enjoy as a BBQ side dish or just when you want guacamole without the chips.

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Avocado Cucumber Salad

4.8 (16) Prep 10m Total 10m 8 servings

Ingredients

  • 1 cucumber, sliced
  • 2 avocados, diced
  • 1 tomato, diced
  • ½ red onion, diced
  • ¼ cup cilantro, chopped
  • ¼ cup olive oil
  • 2 tablespoons lemon juice
  • 2 cloves garlic, minced
  • ¼ teaspoon red pepper flakes
  • 1 teaspoon oregano
  • 1 teaspoon salt

Step by Step Instructions

Step by Step Instructions

1
Chop up the veg

Prepare your vegetables and fruit. Chop up avocado, dice onion, slice cucumber, rough chop the cilantro.

red onion keto salad
2
Unite them all

Add to a serving bowl.

Keto avocado cucumber salad ingredients sitting unmixed in a bowl
3
Whisk dressing

Combine the ingredients for the dressing – olive oil, lemon juice, garlic, red pepper flakes, oregano and salt. Mix well.

Dressing ingredients prepped for avocado salad
4
Pour it on

Drizzle the dressing over the salad.

Vegatables and fruit cut up on cutting board
5
Toss

Mix until evenly coated.

Combine vegetables in a large bowl
Nutrition Per Serving
132 Calories
12.1g Fat
1.3g Protein
3.3g Net Carbs
6.3g Total Carbs
8 Servings
Nutrition disclaimer

The nutrition information provided is an estimate and is for informational purposes only. I am a Doctor of Pharmacy (Pharm.D.); however, this content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always consult your physician or other qualified health provider before making any lifestyle changes or beginning a new nutrition program.

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Avocado Cucumber Salad

Avocado cucumber salad is a low carb side dish that comes together in minutes. And using fresh veggies definitely hits the mark on flavor! This salad is a summertime classic because it uses all the vegetables and fruits that are in season. And avocado is a staple for anyone eating low carb. Avocados are filled with lots of healthy fats and potassium. They make the perfect addition to your salad and avocado cucumber salad is a unique way to showcase them. Next time you are in the mood for lots of guacamole but need a side dish, consider this Guacamole Salad.

How To Select A Ripe Avocado?

Selecting a ripe avocado can be intimidating; however, there are a few things you are looking for in terms of feel and outer appearance that will turn you into a skilled avocado picker. Look for an avocado that is firm, but has a little give to it when you squeeze it. It is too ripe if the avocado is too squishy. If the avocado is rock hard, it is not ready yet; however, you can still buy these avocados to use later on. A ripe avocado is a dark, almost blackish green in color. If the avocado is green; most often, it is not ripe yet. One trick to tell if an avocado is ready to eat is to take the stem off the top. If the flesh underneath is a bright avocado green color, then it’s ready to be used. If that area under the stem is a brownish color, then it is overly ripe and the avocado will most likely be brown inside.

Can I Prep This Recipe Ahead Of Time?

Avocado cucumber salad can be prepped ahead of time. The lemon in the dressing should help to keep the avocados from turning too brown. If appearance is something you are concerned about, coat the diced avocado in lemon juice before making the salad. Or simply dice the avocado and add it just before serving. This guacamole salad can be kept in an air-tight container in the refrigerator for up to 2-3 days.

Are Cucumbers Keto?

Cucumbers work great on keto. One medium cucumber has about 9 net carbs. They’re mostly water and packed with antioxidants.

Make It Spicy!

Looking for a spicy version of the avocado cucumber salad? This recipe already calls for ¼ teaspoon of red pepper flakes, but you can increase that if you want to make it spicy. Also, try adding some cayenne pepper or even Tabasco sauce to make it even hotter!
Avocado Cucumber Salad

Frequently Asked Questions

Can I make this salad in advance?

Yes, you can prepare the salad in advance, but it's best to wait to add the avocado until just before serving to prevent it from browning.

What can I substitute for red onion?

If you don't have red onion, you can use green onions or shallots for a milder flavor.

How do I store leftovers?

Store leftovers in an airtight container in the fridge for up to 2 days. The avocado will brown a bit, but it still tastes fine.

Is there a way to make this salad spicier?

Absolutely! You can add more red pepper flakes or even some diced jalapeños for an extra kick.

What are some good additions to this salad?

Try adding feta cheese, diced bell peppers, or cherry tomatoes for extra flavor and texture!

About the Author
Annie Lampella, Pharm.D.

Annie Lampella, Pharm.D.

Annie is a Doctor of Pharmacy, mom, and the recipe creator behind KetoFocus. With a B.S. in Genetics from UC Davis, she has over 14 years of experience developing family-friendly keto recipes based on the science of human metabolism.

Learn more about Annie View My Cookbook

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Reviews 1
4.8 Stars (16 Reviews)
  1. N
    Nathan W. Mar 31, 2025

    I made this salad over the weekend and it was super fresh and flavorful. I added a little extra lemon juice for more tang, and it worked really well with the avocado. Perfect as a light keto lunch.

    Reply

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