Muscovado pavlova with caramel oranges and cardamom custard

By Rosie Birkett From Saturday Kitchen Ingredients For the cardamom custard 150ml/5fl oz double cream 150ml/5fl oz full-fat milk 10 cardamom pods, lightly smashed in a pestle and mortar pinch salt 40g/1½oz golden caster sugar 15g/½oz cornflour 2 free-range egg yolks For the pavlova 4 …