Take the packet milk arrowroot biscuits or sweet biscuits and crush them finely and set aside till needed then roughly crush the violet crumble or chocolate of your choice and set aride till needed .
Melt the butter and the condensed milk together in a heat proof bowl over simmering water or in the microwave in short busts , mixing after every burst , once melted completely put aside to cool a little .
once butter and condensed milk mix has cooled a little add the crushed biscuits crumbs and 2/3 of the crushed violet crumble or chocolate bar of your choice and mix will to combine all . Press the biscuit mixture into a slice or lamington tin (depends on how thick you want the biscuit mix) refrigerate until firm .
melt the family block of chocolate in a heat proof bowl over simmering water or the microwave in short busts , mixing after every burst , until melted completely , then pour melted chocolate over set biscuit base and sprinkle with the 1/3 remaining crushed violet crumble or chocolate bar of your choice ontop of the melted chocolate before it sets and Refrigerate .
Before slice set completely cut it into bite size pieces and then place back into fridge to set completely . serve cold and enjoy . :-) .