4 passion fruit
½ pineapple
3 limes, zest only
140g/5oz caster sugar
icing sugar, to taste, plus extra for dusting
10 large digestive biscuits
6 ginger biscuits
85g/3oz butter
675²µ/1½±ô²ú cream cheese
150ml/¼ pint double cream
300ml/½ pint double cream
3 large free-range eggs