Marinated Cucumber, Onion, and Tomato Salad: A Cool & Crisp Classic 🥒🍅🧅

Before we get into this refreshingly simple and delicious dish, thank you for being here. If you’re looking for a light, tangy, make-ahead salad that tastes like summer in a bowl—this one’s for you.

This Marinated Cucumber, Onion, and Tomato Salad is a timeless favorite. It’s crunchy, juicy, slightly sweet, and tangy with just a hint of peppery bite. Whether you’re pairing it with grilled meats, bringing it to a potluck, or just want a refreshing side to your weeknight meal, this salad fits the bill.

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🥗 Why You’ll Love This Salad

✅ Simple ingredients and quick to make
🧊 Best served chilled—perfect for hot weather
💧 Juicy and hydrating from all the fresh produce
🎉 Crowd-pleaser at picnics, BBQs, and family dinners
🌿 Easy to customize with herbs and veggies you already have

🛒 Ingredients

3 medium cucumbers, peeled and sliced
1 medium onion, sliced into rings
3 medium tomatoes, cut into wedges
½ cup vinegar (white, apple cider, or red wine vinegar work well)
¼ cup sugar
1 cup water
2 tsp salt
1 tsp black pepper
¼ cup oil (vegetable or olive oil)
1 tsp fresh mint, chopped (optional but refreshing)

🥄 Instructions

1. Prepare the Veggies

Peel and slice the cucumbers into thin rounds.
Slice the onion into rings or half-moons, depending on your preference.
Cut the tomatoes into wedges or large chunks.

2. Make the Marinade

In a separate bowl or large measuring cup, whisk together the vinegar, sugar, water, salt, pepper, and oil until the sugar dissolves completely.

3. Combine & Chill

Place the cucumbers, onions, and tomatoes into a large mixing bowl.
Pour the marinade over the veggies and toss gently to coat everything evenly.
If using, sprinkle in the fresh mint for an extra burst of cool flavor.

4. Marinate & Serve

Cover and refrigerate for at least 1–2 hours, or overnight for best flavor.
Serve chilled, giving everything a gentle toss before dishing it out.

🍴 Serving Suggestions

Pair with grilled chicken, fish, or steak
Serve alongside burgers or sandwiches for a crunchy, fresh contrast
Spoon over cooked quinoa or rice for a quick salad bowl
Add crumbled feta or fresh mozzarella for a heartier version

💡 Tips & Variations

🧅 Prefer a milder onion flavor? Soak sliced onions in cold water for 10 minutes before adding to the salad.
🍅 Use cherry or grape tomatoes if you like a firmer bite.
🌿 No mint? Try fresh dill, parsley, or basil instead.
🥒 Use English cucumbers or Persian cucumbers for thinner skin and fewer seeds.

🧊 Storage Info

Fridge: Store in an airtight container for up to 3 days.
Best eaten within the first 24–48 hours for crisp texture.
The marinade can be reused—add fresh veggies to the leftover liquid for a second batch!

Frequently Asked Questions

Can I make this ahead of time?

Yes! It actually tastes better after a few hours of marinating in the fridge.

Is this salad keto-friendly or low-carb?

You can reduce or omit the sugar and use a sugar substitute to make it more keto-friendly.

Can I use different vinegar?

Absolutely. Try apple cider vinegar for a milder tang or red wine vinegar for deeper flavor.

Final Thoughts: A Salad Worth Repeating 🥒🍅🌿

This Marinated Cucumber, Onion, and Tomato Salad is a celebration of simplicity. It’s crisp, bright, tangy, and just a little sweet—the kind of side dish you’ll find yourself making again and again.

Serve it cold, serve it often, and let the flavors of fresh veggies shine.

More Fresh Salad Recipes to Try:

Let’s Stay Fresh Together! 💬

Tried this salad? I’d love to hear how it turned out!
Drop a comment below or tag me on Pinterest or Instagram with #MmmrecipesKitchen.

Nutritional Info (Per Serving – approx. 6 servings)

Calories: ~90
Fat: 7g
Carbs: 7g
Sugar: 5g
Fiber: 1g
Protein: 1g

Nutritional values are estimates and may vary depending on ingredients used.

Until the next fresh bite,
–Mmmrecipes 🥗💚