Medley of fruit with citrus-spiced biscuits and Champagne

By Raymond Blanc From Saturday Kitchen Ingredients 150g/5½oz butter, softened 120g/4½oz golden caster sugar 2 free-range egg yolks ½ large orange, finely grated zest only ½ unwaxed lemon, finely grated zest only 250g/9oz plain flour, plus extra for dusting ½ tsp mixed spice ¼ …