Gram Harajuku (CLOSED)

One of the main culprits behind Tokyo's ongoing 'second pancake boom', this Osaka import caused a minor sensation in Harajuku when it opened on the city's toughest 'dessert battleground' in June 2016. Up to three-hour queues formed as the capital's sweets fiends went bonkers for Gram's made-to-order, uber-fluffy 'premium pancakes', which are only served to 20 diners during each time slot – at 11am, 3pm and 6pm every day. If you're eager to get a taste of the melt-in-your-mouth delicacy, best pick out a good book or charge up your phone before braving the line, as you're sure to be waiting for quite a while.