Melbourne is one of the great coffee capitals of the world. Known for its vibrant café culture, the Australian city’s streets are lined with artisanal coffee shops, each boasting high-quality espresso drinks (and the occasional avo smash, of course). Despite some debate from Australia’s neighboring island nation (cough cough, New Zealand), Melbourne also lays claim to the invention of the flat white — a frothy steamed milk and espresso drink that’s catapulted onto coffee shop menus a...