An increasingly popular dish in China is flavored with snails and emits a foul smell so strong that "it can fill an entire restaurant and the surrounding streets"

SCMP: 

In November, 2019, a Chinese student in Italy was fined 40 euros (US$48) for cooking luosifen at home after his neighbour called the police suspecting there was a bioweapon in the house, the Beijing Evening News reported. 

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 Last year, the revenue from pre-packed luosifen made by factories in Liuzhou reached 11 billion yuan (US$1.7 billion), state media CCTV reports.

Popular enough that KFC offers a version.