1 x 225g/8oz jar maraschino cocktail cherries, drained, chopped
15 fresh cherries
200g/7oz plain flour
450g/1lb caster sugar
150g/5Β½oz blanched hazelnuts, roughly chopped
icing sugar, for dusting
1 tsp salt
300²µ/10Β½΄Η³ϊ dark chocolate (minimum 70% cocoa solids)
200g/7oz white chocolate, chopped into rough chunks
300²µ/10Β½΄Η³ϊ unsalted butter, plus knob for greasing
5 large free-range eggs