1 orange, zest only
250g/9oz plain flour
75g/2陆oz unrefined caster sugar
icing sugar, for coating snowballs
450g/1lb white chocolate
200g/7oz white chocolate chopped into small pieces
50驳/1戮辞锄 white chocolate
160g/5陆oz unsalted butter, softened
2 free-range egg yolks
100ml/3陆fl oz fresh orange juice, not from concentrate
120ml/4fl oz champagne or sparkling wine