One Friday afternoon, en route to the medieval rectory that served as the family's country home, Javier suddenly veered sharply right upon hearing I'd never had horchata de chufa, a sweet milk made from tiger nuts.

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Spain's leading brand of sickly-sweet chocolate milk was concocted here, but the current Viader signature drink is a Llet Mallorquin, an improbably successful blend of cinnamon, lemon juice, sugar and milk.

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Indonesians blend them into drinks with sweet condensed milk.

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EU, 179% on sweet powdered milk in America.

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For milk tea-flavoured popcorn, a popular sweet, South-East Asian fusion of tea and milkshake that also goes by the name of bubble tea, you will have to head to the nearby Tokyo DisneySea, a separate park with water slides and watery rides.

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