Cocktail of the week: Nathaniel Smith’s Jamaican Guinness punch – recipe | The good mixer

A Jamaican-style grown-up’s milkshake featuring Guinness, Nurishment and white rumIf there’s one thing Jamaican people do well, it’s make punch, and this one is sweet, creamy, addictive and easy. It takes me down memory lane – I remember begging my nana to let me have some and always being told no, because of the alcohol. Eventually, though, I got to an age when I was allowed a tiny glass with Sunday dinner. It’s like a Jamaican adult milkshake, but better.This is a