Move over potatoes—make room for radishes! This keto radish “potato” salad uses roasted radishes tossed in a creamy, tangy dressing for a satisfying low‑carb alternative to traditional potato salad. It’s simple to prepare, full of flavor, and a great addition to any low‑carb recipe collection.
Radishes have quickly become one of my favorite keto-friendly vegetables. Surprisingly low in carbs and calories, they work well cooked or raw and take on different textures depending on preparation. Roasting transforms them, mellowing their sharp bite and bringing out a subtle sweetness that closely mimics the texture and comfort of roasted potatoes. In this recipe, roasted radishes get combined with classic potato‑salad elements—celery, onion, fresh dill, tangy mustard, and creamy mayo and sour cream—so you’ll enjoy familiar flavors without the carbs.
We need to talk about radishes!
Radishes are an excellent choice for low‑carb and keto diners. One cup of sliced radishes has roughly 2 net carbs and only about 20 calories. They’re also a source of vitamin C and contain minerals like potassium and magnesium, along with some fiber. Because they’re so versatile, radishes can replace potatoes in many recipes—breakfast hashes, sides, and salads—without sacrificing satisfying texture.
Keto comfort food you’ll love
You don’t have to give up your favorite comfort dishes to follow a low‑carb lifestyle. Many of us grew up with creamy potato salad at family gatherings; this recipe aims to recreate that comfort using radishes. Roasted radishes have a texture and mild flavor that make them an excellent stand‑in for potatoes, and they pair perfectly with a creamy, tangy dressing. I used a mix of red radishes and Easter egg radishes for visual interest, but a single variety works just as well. Serve this chilled or at room temperature as a side dish, potluck contribution, or picnic staple.
Helpful Hints
Cut the radishes to roughly even, bite‑sized pieces so they roast uniformly. Smaller radishes can be halved; medium ones quartered; large ones cut into sixths or eighths. Roasting reduces their sharpness and concentrates a pleasant, mild flavor.
Fresh dill brightens the dressing. If you don’t have fresh dill, substitute 1 teaspoon dried dill for each tablespoon of fresh called for. Taste the dressing and adjust seasonings—pickle juice and mustard add acidity, so balance to your preference.
Main Kitchen Equipment and Utensils:
- Large baking sheet or roasting pan
- Large mixing bowl
- Small mixing bowl for the dressing
Ingredients
- 2 pounds radishes, chopped
- 3 tablespoons olive oil
- ½ teaspoon salt
- ¼ teaspoon pepper
- 1 stalk celery, chopped
- 1 tablespoon onion, diced
- ½ cup mayonnaise
- ¼ cup sour cream
- 1 tablespoon pickle juice
- ½ tablespoon Dijon mustard
- ½ tablespoon spicy brown mustard
- 1 tablespoon fresh dill, chopped (or 1 teaspoon dried)
- ½ teaspoon salt (for dressing)
- ½ teaspoon pepper (for dressing)
- 2 hard‑boiled eggs, chopped
Instructions
- Preheat the oven to 400°F (200°C).
- Chop radishes into bite‑sized pieces.
- Toss the radishes with olive oil, ½ teaspoon salt, and ¼ teaspoon pepper on a large baking sheet so they’re evenly coated.
- Roast for 40–50 minutes, stirring every 10 minutes, until the radishes are fork‑tender and lightly browned.
- Remove from the oven and transfer to a large mixing bowl to cool while you prepare the dressing.
- Add chopped celery and diced onion to the cooled roasted radishes.
- In a small bowl, whisk together the mayonnaise, sour cream, pickle juice, both mustards, dill, ½ teaspoon salt, and ½ teaspoon pepper until smooth.
- Pour the dressing over the radish mixture, fold gently to coat, then add the chopped hard‑boiled eggs and combine carefully. Serve immediately at room temperature or chill for at least 4 hours or overnight for the best flavor.
Nutrition Notes
Per serving (1 of 8): approximately 196 calories, 18 g fat, 4.5 g total carbs (about 2.5 g net carbs), 3 g protein. Values are estimates and will vary by brand and ingredient choices.
Splash of Encouragement
Do something kind for yourself today.