When summer produce is at its peak, few dishes hit the spot like Marinated Cucumbers, Onions, and Tomatoes. This simple, Southern-style salad combines crisp cucumbers, juicy tomatoes, and sharp onions in a tangy vinaigrette that gets better the longer it sits. It’s refreshing, healthy, and pairs perfectly with grilled meats, fried chicken, or just a slice of crusty bread.
Whether you serve it as a light side dish, a picnic staple, or a backyard BBQ favorite, this chilled veggie salad is as easy as it is delicious.
Why You’ll Love This Salad
- ✅ Fresh, crisp, and full of garden flavor
- ✅ No mayo, dairy-free, and naturally gluten-free
- ✅ Make-ahead friendly—tastes better after marinating
- ✅ Light, low-calorie, and hydrating
- ✅ Perfect for summer meals, potlucks, or healthy snacking
Ingredients
- 2 large cucumbers, peeled and sliced
- 3–4 medium tomatoes, chopped or sliced into wedges
- 1 small red onion, thinly sliced
- ½ cup vinegar (white, apple cider, or red wine vinegar)
- ¼ cup water
- 2–3 tablespoons sugar (adjust to taste)
- 1 tablespoon olive oil
- Salt & black pepper, to taste
- Optional: fresh herbs like dill, parsley, or basil
Instructions
Step 1: Prep the Veggies
Slice cucumbers, tomatoes, and onions. Add to a large bowl.
Step 2: Make the Marinade
In a separate bowl or jar, whisk together vinegar, water, sugar, olive oil, salt, and pepper until sugar dissolves.
Step 3: Combine and Chill
Pour the marinade over the vegetables and toss gently. Cover and refrigerate for at least 1–2 hours (up to 24 hours) for best flavor.
Step 4: Serve
Stir well before serving. Garnish with fresh herbs if desired. Enjoy chilled.
Flavor Tips & Variations
- 🧅 Use Vidalia onions for a milder, sweeter taste
- 🍅 Try heirloom or cherry tomatoes for color and variety
- 🌿 Add fresh dill or basil for an herbal twist
- 🌶️ Want heat? Add red pepper flakes or sliced jalapeños
- 🥒 Try English or Persian cucumbers for fewer seeds and extra crunch
Serving Ideas
- 🍗 With grilled chicken, steak, or burgers
- 🥖 As a topping for crusty bread or crostini
- 🌮 On tacos or wraps for a tangy crunch
- 🥗 As a refreshing salad on its own
Storage
Store in an airtight container in the refrigerator for up to 3–4 days. The flavors deepen over time, but the texture of tomatoes may soften.
Final Thoughts
Marinated Cucumbers, Onions, and Tomatoes is a classic, craveable side dish that brings together bright acidity, garden-fresh vegetables, and effortless prep. It’s budget-friendly, endlessly adaptable, and always refreshing—just the kind of recipe you’ll make on repeat all summer long.