XO Soused - cheese, ice cream and condensed milk

How is dairy used in Chinese cooking?

How have minority groups in parts of China turned milk into cheese and what kind? Does ice cream have its origins in China? When did the first few references of iced butter, iced cream and iced yoghurt appear in Chinese history? Has ice cream always been a novelty in China, and what role did missionaries play in popularising condensed milk in Hong Kong and Guangdong?

A Wong’s Coconut granita with bird's nest, mulberries, yoghurt and mochi contains plenty of iced dairy