Tiramisu espresso martini
By Carmen O’Neal From Saturday Kitchen Ingredients 1 free-range egg yolk 25g/1oz caster sugar 50ml/2fl oz double cream 50g/1¾oz mascarpone 25ml/1fl oz hazelnut liqueur 25ml/1fl oz vodka 30ml/1fl oz tiramisu-flavoured Irish cream liqueur 30ml/1fl oz coffee liqueur 30ml/1fl oz coffee ice for shaking …