Oh, how I love this marinated cucumbers, onions, and tomatoes salad—it’s been my go-to summer side dish for over a decade! There’s something magical about how those crisp cucumbers, tangy onions, and juicy tomatoes soak up the simple vinegar dressing. It’s the kind of recipe you’ll find yourself making on repeat because it’s so darn easy and refreshing. Whether it’s a backyard BBQ or just a Tuesday night dinner, this salad always steals the show. Trust me, once you’ve had it, you’ll understand why my family begs me to make it every week from June to September.
Why You’ll Love This Marinated Cucumbers Onions and Tomatoes Recipe
This isn’t just another salad—it’s a game-changer! Here’s why it’s my forever favorite:
- No oven required – Just chop, whisk, and toss. Perfect for those sweltering summer days when you can’t bear to turn on the stove
- Gets better as it sits – Unlike sad, wilted greens, the flavors deepen beautifully in the fridge (if it lasts that long!)
- Endlessly adaptable – Add bell peppers, swap red wine vinegar, or toss in some feta for your own signature twist
- Picnic superstar – Stays crisp for hours in a cooler, unlike mayo-based salads that spoil in the sun
Seriously, this might just become your new summer obsession – it sure is mine!
Ingredients for Marinated Cucumbers Onions and Tomatoes
Grab these simple ingredients—you probably have most already! The beauty of this recipe is in its freshness, so don’t skimp on quality:
- For the veggies: 2 large cucumbers (sliced into 1/4″ coins), 1 medium red onion (thinly sliced—I use a mandoline for paper-thin perfection), 2 large tomatoes (chopped into bite-sized chunks)
- For the dressing: 1/4 cup white vinegar (the good stuff!), 2 tablespoons olive oil, 1 teaspoon salt (I prefer kosher), 1/2 teaspoon freshly cracked black pepper
- The flavor boosters: 1 teaspoon sugar (trust me—it balances everything!), 1 tablespoon fresh dill (chopped, optional but oh-so-good)
Ingredient Substitutions & Notes
No stress if you’re missing something—this salad is forgiving! Try these swaps:
- Use apple cider vinegar for a mellower tang, or rice vinegar for subtle sweetness
- No fresh dill? A teaspoon of dried works (use half if you’re not a dill fan)
- English cucumbers work great—no need to peel or seed them
Pro tip: Leftovers keep beautifully for 2-3 days—just stir before serving as the dressing settles!
How to Make Marinated Cucumbers Onions and Tomatoes
Okay, let’s get mixing—this couldn’t be easier! Here’s my foolproof method:
- Prep your veggies first: Toss the sliced cucumbers, onions, and tomatoes together in a big bowl (I like using my grandmother’s vintage ceramic one—makes me smile every time).
- Whisk that dressing: In a small bowl, go at it with a fork until the vinegar, oil, salt, pepper, and sugar become best friends. The sugar should dissolve completely—this takes about 30 seconds of vigorous whisking!
- Marry the two: Pour the dressing over your waiting veggies and gently toss with clean hands or salad tongs. Don’t be shy—get everything coated evenly!
- The magic happens: Cover and refrigerate for at least 30 minutes (2 hours is even better!). I sneak a taste every 15 minutes—for “quality control,” of course.
- Finish strong: Right before serving, sprinkle with fresh dill if using. That bright green makes it look so pretty!
Tips for the Best Marinated Cucumber Salad
After making this weekly for years, I’ve learned a few tricks:
- Slice onions thin as paper—they mellow beautifully in the marinade instead of overpowering
- Chill your serving bowl beforehand for extra refreshment on hot days
- If tomatoes seem too watery, scoop out some seeds before chopping
- Resist over-stirring after marinating—those tender cucumbers can turn mushy!
Follow these, and you’ll get perfect crisp-tender texture every single time.
Serving Suggestions for Marinated Cucumbers Onions and Tomatoes
This salad plays well with others! I love it piled next to juicy grilled chicken or stuffed into pita pockets with hummus for the ultimate summer lunch. For potlucks, I’ll often crumble feta on top—the salty tang is *chef’s kiss* perfect with the sweet-tart dressing. Honestly? Sometimes I just grab a fork and eat it straight from the bowl while standing at the fridge—no judgment!
Storage & Reheating
Here’s the beautiful thing about this salad—it actually gets better after a day in the fridge! Store it in an airtight container, and it’ll keep its crunch for 2-3 days (if it lasts that long in your house). The dressing will separate—just give it a good stir before serving. Oh, and don’t even think about freezing this one—those cucumbers turn to mush!
Marinated Cucumbers Onions and Tomatoes FAQs
Over the years, I’ve gotten all sorts of questions about this beloved salad – here are the ones that pop up most often!
Can I use yellow onions instead of red?
Absolutely! They’ll taste slightly sharper, so I recommend soaking the slices in cold water for 10 minutes first to mellow them out. But honestly? My cousin swears by sweet Vidalias in her version – it’s all about personal preference!
How long does this salad keep in the fridge?
The veggies stay crisp for 2-3 days max – any longer and they start losing their crunch. The tomatoes get especially soft (but still tasty!) by day three. I usually make a fresh batch every other day in summer because we go through it so fast!
Can I make this ahead for a party?
Yes! It’s actually better when made 2-4 hours in advance – the flavors have time to really meld. Just hold off on adding the fresh dill until right before serving so it stays vibrant. I always double the recipe when entertaining – it disappears fast!
Is there a substitute for the sugar?
You bet! Honey or maple syrup work beautifully (use half the amount since they’re sweeter). For sugar-free, try a pinch of stevia – though I personally love how the sugar balances the vinegar’s acidity. For sugar-free, try a pinch of stevia – though I personally love how the sugar balances the vinegar’s acidity.
Nutritional Information
Now, I’m no nutritionist, but here’s the scoop on what’s in each serving of this crunchy goodness (based on my trusty food scale and calculator):
- Calories: About 80 per generous 1-cup serving
- Fat: 5g (mostly from that heart-healthy olive oil!)
- Carbs: 8g with 2g fiber from all those fresh veggies
Remember—these are estimates and can vary based on your exact ingredients. But honestly? When something tastes this fresh and light, I don’t stress about numbers—my taste buds are too happy! I don’t stress about numbers—my taste buds are too happy!
Share Your Experience
I’d love to hear how your marinated cucumbers turn out! Did you add any fun twists? Drop a note below—your tips might just become someone else’s new favorite way to make this salad. Drop a note below—your tips might just become someone else’s new favorite way to make this salad.
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Ultimate Marinated Cucumbers Onions and Tomatoes in 30 Minutes
- Total Time: 45 minutes (including marinating time)
- Yield: 4 servings 1x
- Diet: Vegetarian
Description
A refreshing and simple salad made with marinated cucumbers, onions, and tomatoes. Perfect as a side dish or light meal.
Ingredients
- 2 large cucumbers, sliced
- 1 medium red onion, thinly sliced
- 2 large tomatoes, chopped
- 1/4 cup white vinegar
- 2 tablespoons olive oil
- 1 teaspoon salt
- 1/2 teaspoon black pepper
- 1 teaspoon sugar
- 1 tablespoon fresh dill, chopped (optional)
Instructions
- In a large bowl, combine cucumbers, onions, and tomatoes.
- In a small bowl, whisk together vinegar, olive oil, salt, pepper, and sugar.
- Pour the dressing over the vegetables and toss gently.
- Sprinkle with fresh dill if using.
- Cover and refrigerate for at least 30 minutes before serving.
Notes
- For best flavor, marinate the salad for up to 2 hours.
- Add a pinch of red pepper flakes for extra spice.
- Use apple cider vinegar for a milder taste.
- Prep Time: 15 minutes
- Cook Time: 0 minutes
- Category: Salad
- Method: No-Cook
- Cuisine: American
Nutrition
- Serving Size: 1 cup
- Calories: 80
- Sugar: 4g
- Sodium: 300mg
- Fat: 5g
- Saturated Fat: 1g
- Unsaturated Fat: 4g
- Trans Fat: 0g
- Carbohydrates: 8g
- Fiber: 2g
- Protein: 1g
- Cholesterol: 0mg
Keywords: marinated cucumbers, cucumber salad, easy salad, summer salad