Fresh Grape Juice

Grapes, as many as you like   Destem the grapes, removing any bad ones. Wash. Put all grapes into a large saucepan, mash with a potato masher. Slowly bring up to the boil,, simmer for 10mins stirring and mashing throughout. Line a colander with muslin/cheesecloth, pour grape juice into the lined colander, allow to cool…