I knew I was in place with a strong Indian population when I landed in Singapore and saw Black Forest Cadbury Dairy Milk.
@tealeg To my recollection, black forest cake took Bangalore by storm in the 80s, but that may just be because that's when I came of age. But it is as close to a "universal" desert as we have:
https://www.nytimes.com/2024/04/29/dining/black-forest-cake.html
"One of the most effective proselytizers of Black Forest cake was probably the British Empire"