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    Keto Radishes

    Published: Mar 31, 2021 by Wendy Polisi Modified: Jul 21, 2025 · 759 words. · About 4 minutes to read this article.

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    I think you are going to be as crazy about these keto radishes as I am! I was skeptical when I first made them, but you won’t believe how much these roasted radishes resemble potatoes. This is an easy side that is perfect for spring but fabulous throughout the year.

    Overhead photo of Keto Radishes in a white bowl garnished with lemon.

    If you love potatoes as much as I do, chances are they are high up there on the list of things that you miss on a keto diet.

    When someone suggested that roasting radishes could mellow their flavor and make them an excellent substitute, I was more than a little skeptical.

    Then I tried it - and I was pleasantly surprised.

    Give these Keto Roasted Radishes a try, and I think that you will be too!

    Ingredients for Making Keto Roasted Radishes

    • Radishes:  Raw radishes are peppery-hot, and you will love how cooking them transforms them. They become mild, with a subtle hint of sweetness.
    • Butter:  I use Kerrygold salted butter.
    • Garlic: If you don’t have fresh garlic on hand, a teaspoon of garlic powder will work.
    • Rosemary: One teaspoon of dried rosemary may be used if you don’t have fresh rosemary. (But I highly recommend trying this with fresh - it makes the flavor of low-carb radishes pop!)
    • Salt and Pepper:  Adjust to suit your taste.
    • Lemon: The final touch of lemon juice and zest keeps flavors bright.
    Photo of a bowl of sliced radishes and small white dishes of butter, rosemary and garlic, lemon zest, and salt and pepper.

    Different Types of Radishes

    • Round:  Also called Easter Egg Radishes, these radishes are most commonly seen in red. They can also be white, pink, and purple.
    • French Breakfast: These are an elongated version of the round radishes. If you use this version, make sure you chop them evenly.
    • Watermelon:  I prefer this type of radish raw rather than cooked and don’t recommend using it here.
    • Daikon:  This is a white radish that is considerably larger than Round radishes. Make sure you dice them evenly - and if they have greens save them. They are edible too!

    Tips & Tricks

    • Make sure your radishes are in a single layer. This allows for even cooking and browning.
    • If possible, buy your radishes with the greens still attached as this is a good indicator that the radishes are fresh. They should be firm with smooth skin that is free from cracks.
    • I like the flavor that butter lends to this keto recipe for roasted radishes, but if you prefer, olive oil may also be used.

    Serving Suggestions

    These Oven Roasted Radishes are an excellent substitute for potatoes and make a great keto side dish to so many recipes. Here are some suggestions: 

    • Keto Roasted Chicken
    • Keto Chicken Kiev
    • Instant Pot Beef Ribs

    Tools Needed to Make Roasted Radishes Keto

    As an Amazon Associate, I earn from qualified sales.

    • Baking Sheet
    • Parchment Paper
    • Small saucepan
    • Lemon Zester

    Storage

    These radishes will last for two to three days kept sealed in the refrigerator. Because of the high water content, I don’t recommend freezing radishes. If you do, you should expect a change in texture.

    How to Make Keto Radishes

    Start by preheating your oven and lining a baking sheet with parchment paper.  

    Next, melt the butter in a small saucepan and stir in the garlic, rosemary, salt, and pepper.

    Photo of a small saucepan of melted butter with small white dishes containing seasonings next to it.
    Photo of a small saucepan of seasoned butter.

    Put the radishes in a large bowl and toss them with the butter mixture.

    Cook radishes in a single layer on the prepared baking sheet until they are fork-tender and lightly browned.

    Photo of a red bowl with radishes being tossed with butter.
    Photo of a sheetpan with radishes ready to go in the oven.

    Taste and season with salt if desired.

    Top with the lemon zest and juice and serve warm.

    Close up photo of Keto Roasted Radishes on a bed of greens garnished with lemons and lemon zest.

    More Low Carb Vegetable Recipes

    • Keto Collard Greens make getting more greens into your diet a deliciously easy proposition!
    • This Keto Cauliflower Soup makes an excellent substitute for potato soup. You won’t believe how good it is!
    • Air Fryer Broccoli is a quick and easy keto-friendly side that even the kids will love.
    If you like this recipe don't forget to leave a 5 star rating and let me know how it went in the below comments, I love hearing from you! You can also FOLLOW ME on FACEBOOK, INSTAGRAM, and PINTEREST to see all my delicious recipes.
    Square overhead photo of Keto Radishes in a white bowl garnished with lemon.
    Print Recipe
    5 from 4 votes

    Keto Roasted Radishes

    Oven-roasted radishes keto style make a great gluten-free side. With the low carb count, this is one you can make a regular in your menu rotation.
    Prep Time10 minutes mins
    Cook Time25 minutes mins
    Total Time35 minutes mins
    Course: Side Dish
    Cuisine: American
    Keyword: Spring
    Servings: 6
    Calories: 69.64kcal
    Author: Wendy Polisi
    As an Amazon Associate I earn from qualified sales.

    Ingredients

    • 1 pound radishes trimmed and halved
    • 3 tablespoons butter
    • 2 teaspoons minced garlic
    • 1 tablespoon fresh rosemary chopped
    • ½ teaspoon sea salt
    • ¼ teaspoon fresh ground black pepper
    • 1 lemon juice, and zest

    Instructions

    • Preheat the oven to 425° F. Line a baking sheet with parchment paper.
    • In a small saucepan, melt the butter. Add garlic, rosemary, salt, and pepper.
    • Toss the radishes with the butter and arrange in a single layer on the prepared baking sheet.
    • Cook for 25 to 35 minutes, until tender and lightly browned. (The actual cooking time will depend on the size of your radishes and how tender you would like them.)
    • Drizzle with freshly squeezed lemon juice and garnish with the zest.

    Nutrition

    Calories: 69.64kcal | Carbohydrates: 4.71g | Protein: 0.85g | Fat: 5.84g | Saturated Fat: 3.64g | Trans Fat: 0.23g | Cholesterol: 15.05mg | Sodium: 273.89mg | Potassium: 210.05mg | Fiber: 1.8g | Sugar: 1.87g | Vitamin A: 194.47IU | Vitamin C: 21.11mg | Calcium: 28.62mg | Iron: 0.42mg
    « Keto Nachos - Low Carb and Gluten Free
    Keto Curry Chicken Salad »

    About Wendy Polisi

    Wendy Polisi is the creator of Kicking Carbs, where she shares low-carb recipes that are full of flavor and made for real life. As a cookbook author and food blogger, she’s passionate about helping families enjoy satisfying meals without the sugar crash. Wendy lives in Florida with her three kids and loves experimenting in the kitchen—especially when it involves cheese.

    Comments

      5 from 4 votes

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      Recipe Rating




    1. Glend says

      November 07, 2022 at 4:28 pm

      5 stars
      I never thought about radishes as a substitute for potatoes. I actually loved them roasted and would never have thought to do it, until I read your post. I've always just eaten and served them cold. This was really good. Thank you!

      Reply
    2. Cam says

      November 08, 2022 at 2:34 am

      5 stars
      This tasted so delicious and would definitely try making this again!

      Reply
    3. Allyssa says

      November 08, 2022 at 1:01 pm

      5 stars
      Quick and very easy to make radishes recipe! Turned out so flavorful and delicious! Thank you so much for sharing this amazing recipe! Loved it!

      Reply
    4. Journa Liz Ramirez says

      November 08, 2022 at 1:09 pm

      5 stars
      Keto radishes are so addicting! They are flavorful and so easy to make. Thanks Wendy for this great side recipe, I'll surely make this on repeat.

      Reply
    A smiling woman in a white shirt stands at a kitchen counter outdoors, slicing lemons. There is a pitcher of lemonade, two glasses, and a plant on the table. Behind her are potted plants and gardening tools hanging on the wall.

    Welcome!

    I'm Wendy and I'm here to show you just how delicious a low carb, gluten free and keto diet can be! You are just as likely to find me obsessing over all things cheesy as you are getting excited by a full produce drawer. I'm a mom to three, obsessive planner and roller coasters are my happy place.

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