‘A refreshing salad drink’: does balsamic vinegar and fizzy water really taste like healthy Coke?

Just one of the eight tasters in the Guardian Australia office said they could see how sparkling water with balsamic vinegar tasted like Coca-Cola. Photograph: Blake Sharp-Wiggins/The Guardian

Some swear it tastes just like Coca-Cola, others gag in disgust.

A simple homemade concoction of sparkling water with a splash of balsamic vinegar has become a viral experiment on social media.