In a large bowl or the bowl of a stand mixer, whip the cream and mascarpone cheese at medium speed until smooth and soft ...

The mascarpone melts and blends magically with the lemon. A bit of lemon zest and the oils are released in the butter, which ...

Melt the butter in a saucepan, remove from heat and mix in the flour, sugar, cornflour and lemon ... cheese with the sugar with an electric beater for 5 minutes. Whisk in the cream and mascarpone ...

Use a tart variety of lemon to give this cake a good citrus flavour. Elderflower cordial has a distinctive flavour which I really enjoy, but you could substitute with 1 teaspoon vanilla extract.