China's "dark cuisine" trend features spring onions as an unconventional coffee topping, going viral on social media.

Spring onions are trending as an unconventional coffee topping in China, with TikTok and Instagram videos featuring iced coffee beverages topped with chopped green onions going viral. Known as "dark cuisine," this trend questions traditional sensibilities and has led more coffee shops to embrace it. While many find the idea intriguing, some customers are concerned about the potential for smelling like onions.