A popular street-food staple in Hong Kong, bubble waffles are gradually finding their way into the city's restaurants. Soft from the inside, crispy on the outside, these have a bulbous exterior, thanks to the moulds they are made in. Traditionally called egg waffles, this dish is perfectly teamed with ice cream, and topped with a range of flavours, from blueberry to red velvet, nutella or whatever else catches your fancy. Here's a what-to-eat-where guide: