75²µ/2½´Ç³ú golden syrup
175g/6oz milk chocolate, roughly chopped
100²µ/3½´Ç³ú raisins
100²µ/3½´Ç³ú malted milk balls, such as Maltesers
125²µ/4½´Ç³ú dark chocolate, roughly chopped
225g/8oz oat biscuits, such as digestives, crushed
100²µ/3½´Ç³ú unsalted butter, diced