3 oranges
250g/9oz caster sugar
120g/4½oz runny honey
30g/1oz shelled pistachios
325²µ/11½´Ç³ú digestive biscuits
90²µ/3¼´Ç³ú butter, softened, plus extra for greasing
350g/12oz cream cheese, softened
4 free-range eggs
150ml/5fl oz soured cream
350g/12oz curd cheese, softened