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.

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 ...

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 ...

Pack a little at a time you’re your Kilner jar and press ... all will be fine!) Sit the jar on a plate just in case some brine escapes while it is fermenting. Place on a countertop to ferment ...