01 -
In a large mixing bowl, combine cucumbers, onion, and tomatoes, ensuring even distribution.
02 -
In a separate bowl, whisk together white vinegar, granulated sugar, water, salt, black pepper, and vegetable oil until the sugar dissolves completely.
03 -
Pour the marinade over the vegetables and gently toss to coat. Add chopped fresh mint if desired and mix gently.
04 -
Cover the salad and refrigerate for at least 2 hours, or preferably overnight for enhanced flavor absorption.
05 -
Stir the salad before serving to redistribute the marinade. Serve cold and enjoy.