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Keto Roasted Radishes

Swap out those high-starch potatoes for crispy, lightly golden, perfectly-seasoned keto Roasted Radishes! Just trim, quarter, toss with oil and seasoning, and bake. This low-carb side dish is ready in 30 minutes flat and will complement any meal beautifully.

Roasted radishes in a round bowl.
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Keto Roasted Radishes make the perfect low-carb side dish! Quick and easy to make, they’re a great substitute for potatoes to serve with almost any meal, or you can enjoy them all on their own.

Cooking radishes helps remove some of that sharp and spicy flavor you get from raw radishes. Combined with the oil and seasoning, they make a great potato alternative. And once you see how easy they are to make, you might find yourself making keto Roasted Radishes all the time!

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Yes they are! Radishes are low in net carbs, with only 3 grams of net carbs per cup. Compare that to a cup of potatoes, which has 22 net carbs. That’s a pretty big difference!

Best of all, when you saute or roast radishes, they take on a taste and texture very similar to roasted potatoes. The outsides get golden and crispy while the insides cook to fork-tender perfection.

Radishes are very low in fat, so cooking them in oil is a great way to balance your macros. It also helps them get extra crispy and delicious. Win-win!

Finished keto roasted radishes.


  • Radishes — These root veggies are available in most stores year-round.
  • Olive oil — Or avocado oil.
  • Garlic 
  • Salt and pepper — You can adjust to taste after cooking.
  • Onion powder
  • Paprika
Roasted radish on a fork.


  1. Preheat the oven to 375-F.
  2. Trim the root and stem ends off the radishes.
  3. Quarter the radishes.
  4. Toss the radish quarters with olive oil, garlic, onion powder, paprika, and salt and pepper, then transfer to a baking dish.
  5. Roast in the oven for 15-20 mins until the radishes have a few patches of golden-brown on the outside and are fork-tender.

Chef Jenn’s Tips

  • Cut the radish all about the same size for even cooking.
  • Jazz up the spices! Use what you have on hand and experiment with your favorite flavors.
  • Check the radish for doneness after 20 minutes. Radish are cooked when they’re fork-tender.



This simple side dish is the perfect complement to nearly any main course. Try serving Roasted Radishes alongside Keto Salisbury Steak for some major comfort food. If you’re looking for something lighter, you can’t go wrong with crispy Keto Fried Cod. Or treat yourself to hearty, flavorful, juicy Keto Turkey Meatloaf with Bacon! I also love these air fryer chicken leg quarters – so much flavor for so little work! You could also serve Roasted Radishes alongside Keto Breakfast Sausage with some over-easy eggs on top for a delicious way to start the day.


Radishes make great leftovers. Let them fully cool to room temperature, then store in an airtight container in the refrigerator for 3-4 days. 

To keep them crispy, I would recommend reheating them in a low oven, in the air fryer, or in a skillet on the stove. Heat until they’re crispy on the outside and heated all the way through, then enjoy!

Step By Step Process

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Radish in a baking dish.
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4.98 from 41 votes

Keto Roasted Radishes

Golden brown and crispy on the outside and tender inside, keto Roasted Radishes are the perfect potato substitute and this recipe is so easy!
Course Side Dish
Cuisine American
Keyword easy keto side, easy side dish, keto roasted radishes, radishes
Prep Time 5 minutes
Cook Time 20 minutes
Total Time 25 minutes
Servings 4 servings
Calories 26kcal
Author Chef Jenn


  • 1 pound radishes trimmed and cleaned
  • 2 tablepsoons avocado oil or olive oil
  • 2 cloves garlic minced
  • 1 teaspoon paprika
  • 1/2 teaspoon salt
  • 1/2 teaspoon onion powder
  • 1/4 teaspoon ground black pepper


  • Preheat your oven to 400-F and quarter the trimmed and washed radishes.
  • Toss the radishes with the avocado oil, minced garlic, paprika, salt and pepper, and onion powder.
  • Roast the radishes at 400-F for 20-30 minutes or until they are golden brown in spots on the outside and fork tender.
  • Serve and enjoy!


Serving: 1cup | Calories: 26kcal | Carbohydrates: 5g | Protein: 1g | Fat: 1g | Saturated Fat: 0.1g | Polyunsaturated Fat: 0.1g | Monounsaturated Fat: 0.4g | Sodium: 335mg | Potassium: 277mg | Fiber: 2g | Sugar: 2g | Vitamin A: 47IU | Vitamin C: 19mg | Calcium: 33mg | Iron: 0.4mg | Net Carbohydrates: 3g

A Note on Nutritional Information

Nutritional information for this recipe is provided as a courtesy and is calculated based on available online ingredient information. It is only an approximate value. The accuracy of the nutritional information for any recipe on this site cannot be guaranteed. Erythritol carbs (sugar substitutes) are not included in the carbohydrate counts as they have been shown not to impact blood sugar, and they have zero calories and zero carbs. Net carbs are the total carbs minus fiber.


I’m always in the kitchen creating new recipes, and while some of them are big hits, I get some misses, too. But these are some of my favorite all-time recipes:

about jenn

Hi, I’m Jenn!

I’m a cookbook author (Keto Soup Cookbook and Keto Diabetic Cookbook and Meal Plan) as well as a retired chef, recipe developer, and writer of this blog (that’s a lot of hats!). I embarked on a journey to create foodie-worthy Keto-friendly meals that any home cook can be proud of! No matter if you’re low-carb, no-carb, dirty, or strict Keto, there are recipes in Keto Cooking Wins for you and your family. Read more...

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