Fancy making your own fermented foods and drinks? Why not try these recipes courtesy of Simon Poffley ... Add the kefir grains to the milk in a clean 750 ml jar. Cover loosely with the lid ...

For this recipe you will need a 750ml/1⅓ pint clip top jar (such as a Kilner jar), a large mixing bowl, a large metal spoon, a small ladle, and a ramekin or small shallow jar.

Put the sugar into the 1.5 litre Kilner jar ... Some people put the jar into the fridge to really slow down fermentation but I would suggest that a week in the fridge is the most you should ...