Marinated Cucumbers, Onions, and Tomatoes: A Refreshing Summer Side Dish

This Marinated Cucumbers, Onions, and Tomatoes salad is light, crisp, and perfect for warm days or as a side to heavy main dishes. The cucumbers provide crunch, the tomatoes add juiciness, and the onions bring a tangy bite — all soaked in a zesty marinade of vinegar, sugar, and black pepper. Chill it in the refrigerator for a few hours to develop the flavors; it’s best served cool. Ideal for picnics, barbecues, or weeknight dinners, this simple dish brings a burst of summer in every bite.

Why You’ll Love This Recipe

  • Simple & Refreshing: Crisp vegetables with a tangy, lightly sweet marinade.
  • Versatile: Perfect alongside grilled meats, sandwiches, or as part of a picnic spread.
  • Make-Ahead Friendly: Flavors deepen as it marinates in the fridge.
  • Healthy & Low-Calorie: Fresh vegetables with minimal added sugar or fat.

Key Ingredients

  • Cucumbers: Crisp and hydrating, the base of the salad. English cucumbers or seeded regular cucumbers both work.
  • Tomatoes: Use ripe tomatoes for sweet, juicy wedges. Heirloom, Roma, or beefsteak are great choices.
  • Onions: Yellow onions add bold flavor, while red onions provide a milder sweetness. Slice evenly for consistent marination.
  • Vinegar: Distilled white or apple cider vinegar gives tanginess to balance the vegetables.
  • Vegetable Oil: Adds silkiness and balances the acidity; olive oil is optional for extra flavor.
  • Sugar: Rounds out the vinegar for a balanced marinade.
  • Salt & Pepper: Essential for enhancing the natural flavors of the vegetables.

Ingredients (Serves 6)

  • 1 cup water
  • ½ cup distilled white vinegar or apple cider vinegar
  • ¼ cup vegetable oil
  • 2 tablespoons sugar
  • 2 teaspoons salt
  • 1 teaspoon freshly ground black pepper
  • 3 cucumbers, peeled and sliced into ¼-inch rounds
  • 3 tomatoes, cut into wedges
  • 1 onion, sliced into rings

Optional: Fresh dill, red pepper flakes, or feta cheese for garnish

Instructions

 

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