Some recipes prove that simple ingredients can create something truly memorable. This Classic Marinated Cucumber, Tomato, and Onion Salad combines crisp cucumbers, juicy tomatoes, and sweet onions in a light, tangy-sweet vinaigrette that brings out the best in every bite. It’s refreshing, colorful, and perfect for summer gatherings, family dinners, picnics, or potlucks.
The secret to this salad is the marinade. A short resting time allows the vegetables to absorb the dressing while releasing their natural juices, creating a flavorful mixture that tastes even better after chilling. Best of all, it requires only a handful of fresh ingredients and pantry staples.
Why You’ll Love This Salad
Fresh, crisp, and full of flavor
Easy to prepare with simple ingredients
Perfect for making ahead
Ideal for barbecues, picnics, and family meals
Naturally vegetarian and easily customizable
Classic Marinated Cucumber, Tomato & Onion Salad
Servings: 4
Ingredients
2 medium English cucumbers, thinly sliced
3 medium ripe tomatoes, chopped into bite-sized pieces
1 small sweet onion, thinly sliced
1 teaspoon kosher salt, divided
½ teaspoon freshly ground black pepper
¼ teaspoon garlic powder
¼ teaspoon dried oregano
¼ teaspoon dried basil
¼ cup white wine vinegar or apple cider vinegar
2 tablespoons red wine vinegar
1 tablespoon fresh lemon juice (optional)
3 tablespoons granulated sugar
¼ cup extra-virgin olive oil
2 tablespoons vegetable or canola oil
2 tablespoons chopped fresh parsley (optional)
Instructions
- Prepare the Vegetables
Wash and dry the cucumbers and tomatoes. Slice the cucumbers into thin rounds, chop the tomatoes into bite-sized pieces, and thinly slice the onion. - Season the Vegetables
Place the cucumbers, tomatoes, and onions in a large bowl. Add ½ teaspoon salt, black pepper, garlic powder, oregano, and basil. Toss gently until evenly coated. - Make the Marinade
In a small bowl, whisk together the white wine vinegar, red wine vinegar, lemon juice, remaining ½ teaspoon salt, and sugar until dissolved.
Slowly whisk in the olive oil and vegetable oil until the dressing is well combined. - Combine
Pour the marinade over the vegetables and gently toss until everything is coated. - Marinate
Cover the bowl and let the salad rest at room temperature for 20–30 minutes. Refrigerate for at least 1 hour before serving. For the best flavor, chill for up to 4 hours. - Serve
Give the salad a gentle stir before serving. Taste and adjust seasoning if needed. Sprinkle with fresh parsley and serve cold.
Serving Suggestions
This refreshing salad pairs wonderfully with:
Grilled chicken
Steak
Pork chops
Burgers
Barbecue dishes
Grilled fish
Sandwiches and wraps
Serve with crusty bread to soak up the delicious marinade.
Variations
Creamy Version
Whisk 1–2 tablespoons of Greek yogurt or sour cream into the dressing for a richer texture.
Mediterranean Style
Add crumbled feta cheese, sliced Kalamata olives, and Italian seasoning for a Mediterranean twist.
Lower-Sugar Option
Reduce the sugar to 1 tablespoon and add extra lemon juice for brightness.
Make It a Meal
Add chickpeas, white beans, or fresh mozzarella cubes to turn this side dish into a satisfying lunch.
Storage
Store leftovers in an airtight container in the refrigerator for up to 2 days. The vegetables will soften slightly, but the flavor will continue to develop and become even more delicious.