To prepare milk kefir, open the sachet and strain the grains with a plastic sieve. Pour the room temperature milk into a jug (2) and add the grains (3). Stir with a wooden spoon (4) and cover with a ...

Kefir has taken the world by storm. The popularity of the gut-friendly dairy drink has ballooned in recent years, dominating shelf-space in supermarkets worldwide and in the UK in particular. And it’s ...