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 is a simple fermented drink made by mixing milk with kefir grains. According to a study published by Frontiers in Microbiology in 2015, kefir grains contain natural bacteria and yeast. As it ...