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Easy Marinated Cucumber Tomato Onion Salad – A Refreshing No-Cook Recipe

Marinated Cucumbers, Onions, and Tomatoes

This Marinated Cucumbers, Onions, and Tomatoes recipe is the ultimate summertime side—refreshing, tangy, and super simple to make. Perfect for BBQs, picnics, or an easy dinner addition.

  • Total Time: 40 minutes to 4 hours
  • Yield: 46 servings 1x

Ingredients

Scale
  • 2 large cucumbers, thinly sliced
  • 3 medium tomatoes, cut into wedges or thick slices
  • 1 medium red onion, thinly sliced
  • ½ cup white vinegar (or apple cider vinegar)
  • ¼ cup water
  • 2 tablespoons olive oil
  • 1 tablespoon sugar (optional)
  • 1 teaspoon salt
  • ½ teaspoon black pepper
  • ¼ teaspoon garlic powder or 1 minced garlic clove
  • Fresh herbs like dill, parsley, or basil (optional, for garnish)

Instructions

  1. Slice the cucumbers and red onion thinly. Cut tomatoes into wedges or thick slices.
  2. In a large bowl, whisk together vinegar, water, olive oil, sugar (if using), salt, pepper, and garlic powder until combined.
  3. Add cucumbers, onions, and tomatoes to the bowl and gently toss until coated.
  4. Cover the bowl and refrigerate for at least 30 minutes. For best flavor, marinate 2–4 hours or overnight.
  5. Stir before serving and garnish with fresh herbs if desired.

Notes

Use seedless cucumbers like English or Persian for best texture. Customize with cheese, avocado, or other veggies. Best enjoyed within 2–3 days and not suitable for freezing.

  • Author: Clara
  • Prep Time: 10 minutes
  • Cook Time: 0 minutes
  • Category: Side Dish
  • Method: No-Cook
  • Cuisine: American
  • Diet: Vegan

Nutrition

  • Serving Size: 1 cup
  • Calories: 50
  • Sugar: 3g
  • Sodium: 220mg
  • Fat: 4g
  • Saturated Fat: 0.5g
  • Unsaturated Fat: 3.5g
  • Trans Fat: 0g
  • Carbohydrates: 5g
  • Fiber: 1g
  • Protein: 1g
  • Cholesterol: 0mg

Keywords: marinated cucumbers, tomatoes, onions, summer salad, easy side dish