Cucumber Radish Sour Cream Salad

I’ll never forget the first time I brought this salad to a backyard potluck. My friend Sarah, who usually bypasses anything green and leafy for the burger table, took one bite and her eyes went wide. She spent the rest of the afternoon guarding the bowl with a possessive gleam, shooing people away from “her” salad. I knew then I had a winner on my hands. It’s the kind of recipe that feels like a secret handshake—simple, unassuming, but utterly unforgettable.

Quick Look

PrepCookTotalFeedsLevel
20 mins0 mins20 mins4-6Easy

Why You’ll Love This Recipe

  • It’s gloriously no-cook, perfect for those sweltering summer days when even looking at the stove feels like a chore.
  • The creamy, tangy dressing clings to every crisp slice in a way that a vinaigrette just… doesn’t.
  • It’s a chameleon. Serve it alongside grilled steak, with spicy tacos, or just with a bag of pita chips for dipping.
  • It gets better as it sits, making it the ultimate make-ahead side dish.

Grab These

  • 2 large English cucumbers, thinly sliced (you don’t need to peel them!)
  • 1 small red onion, halved and sliced paper-thin
  • 1 big bunch of radishes (about 8-10), trimmed and sliced into coins
  • 1/2 cup full-fat sour cream (I’m loyal to Daisy brand for this)
  • 2 tablespoons white wine vinegar
  • 1 tablespoon fresh dill, chopped (or 1 tsp dried dill)
  • 1 teaspoon sugar
  • 1/2 teaspoon kosher salt, plus more to taste
  • Freshly cracked black pepper

Let’s Make It

First things first, let’s deal with our cucumbers. If you have the time, give them a little special treatment. After slicing, toss them with a pinch of salt and let them drain in a colander for about 10 minutes. This draws out a bit of the excess water and keeps your salad from getting soupy later. I don’t always do this (hello, weeknight desperation), but when I do, the texture is just chef’s kiss.

While the cucumbers are resting, let’s make the dressing. It could not be easier. In the bottom of your serving bowl—yes, we’re making it right in the bowl to save on dishes—whisk together the sour cream, white wine vinegar, dill, sugar, and that half-teaspoon of kosher salt. You’ll get a smooth, pale, tangy pool of goodness.

Now, pat those cucumber slices dry with a clean kitchen towel or a paper towel. Don’t skip this! This is the secret to a creamy, not-watery, dressing. Add them to the bowl along with the thinly sliced red onion and radish coins.

Toss it all together, gently but thoroughly, until every single vegetable is coated in that creamy dressing. Taste it. This is the most important step. Does it need another pinch of salt? A grind of black pepper? Adjust it until it sings. Let it hang out in the fridge for at least 15 minutes before serving to let the flavors get to know each other.

Nutritional Facts (Per Serving)

NutrientAmount
Calories~ 60 kcal
Protein1.5g
Carbohydrates7g
Fat3g
Fiber1g
Sugar4g
Note: Values are estimates

Variations & Add-Ins

  • Herb Swap: Not a dill fan? Fresh chives or parsley are a fantastic substitute.
  • Zesty Twist: Add the zest of one lemon to the dressing for a bright, sunny kick.
  • Crunchy Upgrade: Right before serving, sprinkle with toasted sunflower seeds for a nutty crunch.

Serving Ideas

I love this piled high on a grilled bratwurst in a bun—it cuts through the richness perfectly. It’s also dreamy next to a simple baked potato or as a refreshing counterpoint to anything spicy, like jerk chicken or blackened fish.

Storage & Reheating

This salad is best enjoyed the day it’s made, but it will keep in the fridge for up to 2 days. The cucumbers will release more water, so it’ll get a bit looser, but the flavor will still be great. I don’t recommend freezing it.

My Two Cents

That quick salting and drying of the cucumbers? It’s the difference between a good salad and a great one. It takes two extra minutes and prevents a watery dressing disaster. Trust me on this one.

You Asked, I’m Answering

  • Can I use Greek yogurt instead of sour cream? Absolutely. Full-fat plain Greek yogurt will give you a tangier, slightly thicker result. It’s a great swap!
  • My family hates raw onion. What can I do? Soak the sliced red onion in a bowl of ice water for 10 minutes before adding it to the salad. It tames that sharp bite significantly.

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