For some years, pisco has been poised to be the next big thing in the UK. This year, it finally seems to be happening, albeit in a small way. It has been led by Peruvian restaurants opening in London, from Martin Morales’s Ceviche in Soho in February to Coya, which was opened this month by Arjun Waney whose other ventures include Roka, Zuma, La Petite Maison and The Arts Club.