This is Jasmine tea. Rather, it's a ball of jasmine tea, tied with a string, that unfurls when placed in hot water to float the white jasmine flower in the softly scented tea.

From Ping Pong, the dim sum chain of restaurants with the genius business model. Prepare the food out of London so that one isn't paying for back restaurant space in Central London. Then steam or fry it on the premises. The dim sum was reasonably priced and wonderful - especially the steamed cod.