4 tbsp salted caramel spread (dulce de leche)
115g/4oz plain flour, sifted
1 tbsp caster sugar
2 tbsp icing sugar
100驳/3陆辞锄 milk chocolate, chopped
pinch salt
1 tsp vanilla bean paste
200g/7oz dark chocolate
85g/3oz unsalted butter, plus a little extra for greasing
100ml/3陆fl oz double cream
3 free-range eggs, beaten
300ml/10fl oz whipping cream