4 clementines or 2 small oranges, segmented and cut into small pieces
275²µ/9¾´Ç³ú caster sugar
50²µ/1¾´Ç³ú chopped hazelnuts, toasted
2–3 tbsp icing sugar, for dusting
50²µ/1¾´Ç³ú white chocolate, grated
300ml/½ pint double cream, whipped
5 free-range egg whites
2 tbsp orange-flavored liqueur