Ariana Simone, left, and Chauncie Parchment had a certain coolness about them as they were walking along Canal Street in Manhattan on a Sunday in early January. Wearing shades of lavender ...

says Ignacio Llado, the UK managing director and co-founder of Blank Street. No thanks, it’s great, I say, as I clutch my warm Daydream Matcha - their newest creation with matcha, vanilla ...