Looking for a crisp, refreshing side dish that’s quick, healthy, and full of flavor? Marinated Cucumbers, Onions, and Tomatoes is the perfect answer. This Southern-style summer salad is tangy, juicy, and bursting with garden-fresh goodness. It’s a no-cook dish that pairs perfectly with grilled meats, sandwiches, or even as a light snack straight from the fridge.
This simple recipe is a staple at backyard barbecues, picnics, and potlucks — and it only takes minutes to prepare!
Why You’ll Love This Salad
- Fresh & light – loaded with hydrating veggies
- Tangy & sweet – balanced marinade that enhances natural flavors
- Quick to prep – just slice, mix, and chill
- Great for meal prep – gets better as it marinates
- Naturally low-carb, gluten-free, and vegan
Ingredients
- 2 medium cucumbers, thinly sliced (peeled or unpeeled)
- 2–3 medium tomatoes, cut into wedges or thick slices
- ½ red or sweet onion, thinly sliced
- ½ cup white vinegar (or apple cider vinegar)
- ¼ cup water
- 2–3 tablespoons sugar (adjust to taste)
- 1 teaspoon salt
- ½ teaspoon black pepper
- Optional: 1 tablespoon olive oil, ½ teaspoon dried Italian herbs or dill
Instructions
- Slice vegetables: Add cucumbers, tomatoes, and onions to a large bowl.
- Make marinade: In a separate bowl, whisk together vinegar, water, sugar, salt, pepper, and any herbs or oil if using.
- Combine & chill: Pour marinade over the vegetables and toss gently to coat. Cover and refrigerate for at least 1 hour, preferably longer for deeper flavor.
- Serve cold: Toss again before serving and enjoy as a fresh, juicy side dish.
Recipe Tips
- Use English cucumbers or slice regular cucumbers thinly to avoid bitterness.
- Red onions add a nice pop of color, but any sweet onion will work.
- Let it marinate overnight for the best flavor.
- Add fresh basil, dill, or parsley for a fresh herb twist.
- Can be stored in the fridge for up to 3 days.
Serving Suggestions
- As a side to grilled chicken, steak, or fish
- With sandwiches or burgers
- Mixed into cold pasta or grain salads
- On top of toasted bread or bruschetta
- As a light lunch with feta or chickpeas added
Final Thoughts
Marinated Cucumbers, Onions, and Tomatoes is one of those simple, nostalgic recipes that never go out of style. It’s crisp, juicy, tangy, and ultra-refreshing — especially during the hot summer months. With just a few basic ingredients, you’ll have a delicious and healthy side that complements almost any meal.