Cucumber Salad Dressing Recipe with Dill and Red Onion
There's something about a cool, crisp cucumber salad that just hits the spot on a warm day. And the dressing? That's where the magic happens.
This cucumber salad dressing with dill and red onion is creamy, tangy, and packed with fresh flavor—all without breaking the bank. I've been making this dressing for years, and it never fails to get compliments. It's the kind of recipe that feels special but uses everyday ingredients you probably already have.
The dill adds a bright, herby note, while the red onion gives a gentle bite that keeps things interesting. Best of all, this dressing comes together in just 10 minutes. No fancy equipment, no hard-to-find ingredients.
Just a simple, delicious dressing that turns ordinary
Why You’ll Love This Recipe
This dressing is incredibly budget-friendly—you likely have most of the ingredients in your fridge and pantry. It's also versatile: use it as a salad dressing, a dip for veggies, or even a sauce for grilled meats.
The creamy base (sour cream or Greek yogurt) balances the tangy vinegar and fresh dill perfectly. Plus, it's ready in under 15 minutes and can be made ahead of time.
Ingredients You’ll Need
Before we start slicing and mixing, let's round up everything you'll need. The ingredient list is short and mostly pantry-friendly, so you might already have most of it on hand.
For the dressing, sour cream (or Greek yogurt) gives a creamy tang, while white wine vinegar adds brightness. If you only have apple cider vinegar, that works great too. Fresh dill is key here—dried won't give the same pop—and red onion adds a mild bite.
For the salad, English cucumbers are ideal because they're less watery and have thin skins, but Persian cucumbers are a perfect substitute. Slice them thin, about 1/8-inch thick, so they soak up the dressing nicely.
Step-by-Step Instructions
This recipe comes together in just a few simple steps, and the hardest part is waiting for the flavors to meld in the fridge. Let's walk through each stage so you get that perfect creamy, tangy dressing every time.
Step 1 – Make the Creamy Base
Start by grabbing a medium-sized mixing bowl. Add the sour cream (or Greek yogurt if you're swapping it in), white wine vinegar, olive oil, sugar, salt, and pepper. Whisk everything together until the mixture is completely smooth and well combined.
You'll notice the dressing becomes thick and glossy—this is your flavor foundation.
Step 2 – Add Fresh Herbs and Onion
Now stir in the finely chopped fresh dill and the diced red onion. Give it a good mix so the herbs and onion are evenly distributed throughout the dressing. Take a moment to taste it here—you can adjust the salt, pepper, or even add a tiny pinch more sugar if you prefer a slightly sweeter profile.
This is your chance to dial in the flavor before adding the cucumbers.
Step 3 – Toss with Cucumbers
Add the thinly sliced cucumbers to the bowl with the dressing. Use a spatula or large spoon to gently toss everything together until every slice is nicely coated. Be careful not to crush the cucumbers—you want them to stay crisp and intact.
The dressing will cling beautifully to each piece.
Step 4 – Chill and Serve
Cover the bowl with plastic wrap or a lid and pop it in the refrigerator for at least 30 minutes. This resting time is crucial—it lets the cucumbers absorb some of that tangy dressing while the dill and onion flavors mellow and meld together. When you're ready, serve it chilled straight from the fridge.
It's refreshing, creamy, and packed with flavor.
Tips for the Best Results
Getting the perfect cucumber salad is all about a few small choices. The right cucumbers and a little patience make a big difference in texture and flavor.
For the crunchiest salad, use English cucumbers—they have fewer seeds and don't need peeling. If using regular cucumbers, peel them and scoop out the seeds to avoid a watery dressing. Let the salad sit in the fridge for at least 30 minutes before serving; this allows the flavors to blend and the onions to mellow.
If you're short on time, you can serve immediately, but it's even better after a chill.
Common Mistakes to Avoid
- Skipping the salting step: If you use regular cucumbers, their high water content can dilute the dressing. Salting and draining them for 10 minutes before adding keeps things creamy.
- Overdressing: Start with less dressing than you think you need. You can always add more, but you can't take it back. The cucumbers will release some liquid as they sit.
- Chopping dill too far ahead: Fresh dill loses its punch quickly. Chop it just before mixing for the brightest flavor.
- Using a metal bowl: The vinegar can react with metal, giving a slight off taste. Stick to glass, ceramic, or plastic.
Easy Variations and Substitutions
One of the best things about this cucumber salad dressing is how easily it adapts to what you have in the fridge or your personal taste. Whether you're looking to lighten it up, add a little extra zing, or make it dairy-free, there's a simple swap that works beautifully.
Swap the sour cream for plain Greek yogurt to keep the creamy texture while adding a protein boost and tang. For a dairy-free version, coconut yogurt works surprisingly well—just make sure it's unsweetened. If you're out of white wine vinegar, apple cider vinegar brings a slightly fruitier note that pairs nicely with the dill.
Want more punch? Add a minced garlic clove to the dressing. For a lighter take, use buttermilk instead of sour cream; the dressing will be thinner but still flavorful.
To bulk up the salad, toss in sliced radishes or cherry tomatoes for extra color and crunch.
How to Store and Reheat
Store any leftover cucumber salad in an airtight container in the refrigerator for up to 2 days. The cucumbers will release water over time, so the dressing may thin out—just give it a stir before serving. This salad is best served cold and should not be reheated.
How to Store It
Transfer leftover salad to a glass or plastic container with a tight-fitting lid. Press a piece of plastic wrap directly onto the surface of the salad before sealing the lid to minimize air exposure. Refrigerate for up to 2 days.
If you're prepping ahead, store the dressing separately in a jar and toss with sliced cucumbers just before serving to keep them crisp.
How to Reheat It
This salad is meant to be enjoyed cold, so skip the microwave or stovetop. If it's been refrigerated, simply let it sit at room temperature for 5–10 minutes to take the chill off, then stir well. The cucumbers will have released some liquid, so you may want to drain off excess water or add a spoonful of fresh sour cream to revive the dressing.
Frequently Asked Questions
Can I use dried dill instead of fresh?
Yes, but fresh dill gives the best flavor. If using dried, reduce the amount to 1 teaspoon and let the dressing sit for 10 minutes to rehydrate.
How long does this dressing last in the fridge?
Store in an airtight jar for up to 5 days. The flavors meld and deepen over time, so it's even better the next day.
Can I make this dressing vegan?
Absolutely. Just swap the Greek yogurt for a plain plant-based yogurt or use an extra tablespoon of olive oil and a splash of vinegar for a thinner vinaigrette.
What if I don't have red onion?
Shallots or finely chopped white onion work well. For a milder flavor, soak the chopped onion in cold water for 5 minutes before adding.
Is this dressing good on things other than cucumber salad?
Definitely. It's fantastic as a dip for raw veggies, a sauce for grilled chicken or fish, or drizzled over roasted potatoes.
Cucumber Salad Dressing with Dill and Red Onion
Ingredients
Method
- In a medium bowl, whisk together sour cream, vinegar, olive oil, sugar, salt, and pepper until smooth.
- Stir in the chopped dill and diced red onion. Taste and adjust seasoning if needed.
- Add the sliced cucumbers to the bowl and toss gently to coat.
- Cover and refrigerate for at least 30 minutes to let flavors meld. Serve chilled.
Conclusion
This cucumber salad dressing with dill and red onion is proof that simple ingredients can create something truly special. It's creamy, tangy, and full of fresh flavor—all while being easy on your wallet.
Whether you're serving it at a backyard barbecue or just need a quick side for weeknight dinner, this recipe is sure to become a favorite. Give it a try, and don't be surprised when everyone asks for the recipe.
