Place chocolate chips, sugar, cream and milk into a bowl and heat until chocolate has melted.
Take off the stove top, add the vanilla, vodka and butterscotch snaps and mix well.
Allow to cool and then scoop the fat from the top of the liquor mix.
Sterilise your 200ml Sinchies and then pour the liquor into them. Place in the fridge to cool. This lasts for approximately 2-3 months in the fridge.