Low Carb Keto Potato Salad

Prep: 10 min Cook: 15 min Total: 25 min Servings: 8
Annie Lampella @ Ketofocus

By Annie Lampella, Pharm.D.

Published July 4, 2019 • Updated June 2, 2025

Reader Rating
4.3 Stars (11 Reviews)
Salads

This post may contain affiliate links. See my disclosure policy.

If you make one keto side dish this Summer, let it be Keto 'Potato' Salad! It’s more like a Faux-tato Salad than a regular potato salad because this low-carb recipe uses radishes in place of the potatoes. You can’t tell they are radishes, trust me! They taste like regular potatoes.

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Low Carb Keto Potato Salad

4.3 (11) Prep 10m Cook 15m Total 25m 8 servings

Ingredients

  • 4 bunches of radishes, diced into quarter chunks
  • splash of olive oil
  • 4 hardboiled eggs, diced
  • 1 cup mayonnaise
  • ¼ cup dijon mustard
  • ¼ cup chopped dill pickles + 2 T juice
  • ½ cup diced red onion
  • 2 tablespoons capers
  • 2 tablespoons chopped parsley
  • ½ lemon, juiced
  • salt & pepper for flavor

Step by Step Instructions

Step by Step Instructions

1
Preheat oven

Preheat oven to 350 degrees.

2
Quarter the radishes

Dice radishes into quartered chunks.

3
Season

In a ziploc bag, add radishes, a splash of olive oil, and salt & pepper. Close the bag and rub or shake to mix together.

radishes sliced in half with knife
4
Bake them into 'potatoes'

Spread the radishes out on a baking tray and roast at 350 for 15-20 minutes or until roasted looking. Let cool.

Radishes cut into small pieces for keto potato salad
5
Make dressing

Meanwhile, make the dressing by adding the mayonnaise, mustard, dill pickles and pickle juice, red onion, capers, parsley and lemon juice. Stir together.

6
Toss

Add the roasted radishes and eggs. Mix together. Season with salt and pepper to taste.

Keto potato salad radishes cut up and ready for the oven.
7
Serve

Serve and enjoy!

Nutrition Per Serving
302 Calories
30.2g Fat
3.8g Protein
1.8g Net Carbs
2.9g 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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Low Carb Ketogenic Potato Salad

keto antipasto salad ingredients Learn how to make the best keto potato salad recipe without the potatoes and all the carbs.

Radishes In Place Of Potatoes

Radishes are quickly becoming the keto dieter’s version of a potato. If you toss them in olive oil, salt and pepper and roast them in the oven, they taste like home fried potatoes. In this recipe, I use the same approach. The radishes were roasted at 350 degrees and cooled before adding them to the potato salad. If you are using purple radishes, the skin on the radish can cause the “potato” salad to turn a purple or pink color. To avoid this, peel the radishes before roasting or use a daikon radish. Cauliflower is also a popular potato replacement in low carb cooking. Instead of radish, you could opt to use lightly steamed chopped cauliflower in this recipe. Steam the cauliflower until barely soft, drain and cool before making cauliflower potato salad.

Potato Salad Variations

There are hundreds of potato salad variations out there. Everyone has their favorite. Here are some options you may consider adding to your faux-tato salad.
  • Bacon
  • Avocado
  • Celery
  • Chives
  • Dill
  • White wine or red wine vinegar
  • Paprika

Perfect Potato Salad Pairings

  • Bunless Burgers
  • Pulled Pork Sandwiches
  • Keto Firecracker Shrimp
  • Grilled Maple Rosemary Chicken
Low Carb Keto Potato Salad

Frequently Asked Questions

Can I use other vegetables instead of radishes?

While radishes provide a great low-carb substitute for potatoes in this recipe, you could experiment with other vegetables like cauliflower or zucchini. However, the texture and flavor will be different.

How can I make this salad vegan-friendly?

To make this salad vegan, you can replace the hardboiled eggs with diced avocado for creaminess and use a vegan mayonnaise alternative. You can also add chickpeas for extra protein!

What is the best way to store leftover Keto Potato Salad?

Store any leftovers in an airtight container in the refrigerator. It should stay fresh for up to 3 days. Just give it a good stir before serving again!

Can I prepare this salad in advance for a gathering?

Absolutely! You can make the salad a day ahead. Just keep it stored in the fridge, and it will allow the flavors to meld together beautifully, but add fresh parsley just before serving for a pop of color.

Is this Low Carb Keto Potato Salad suitable for meal prep?

Yes, this salad is great for meal prep! It's low in carbs and can be portioned out for lunches throughout the week. Just make sure to store it in individual containers.

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 5
4.3 Stars (11 Reviews)
  1. J
    Joy Jul 3, 2021

    I made this for the first time. It's absolutely delicious! I will make this again & again. I used boiled daikon instead of radishes. & I can't even tell that it's not real potato salad. It's a wonderful recipe. Thank you!!!!

    Reply
  2. S
    Sue May 25, 2021

    I can't wait to try this...just in time for Memorial Day weekend picnic. Do you know what the calorie breakdown might be? Thanks

    Reply
    1. Annie Lampella
      Annie Lampella May 28, 2021

      If you divided the recipe into 8 servings, each serving would be around 300 calories. The full macros are below the first picture on the recipe.

      Reply
  3. D
    Dorothy Stubitsch Jan 31, 2021

    Artichokes are listed in the ingredients for "radish" potato salad but it is not mentioned in the instructions for making the salad.

    Reply
    1. Annie Lampella
      Annie Lampella Feb 1, 2021

      That's not supposed to be there. Thanks! I updated the recipe

      Reply

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