Salted chocolate & mascarpone frosting

Abe & Bob's birthday cake

If you like the crisp edges of lasagne, the soaked croutons, the whipped cream that gets icy around the chocolate scoop - you’re in the right place.

Hello! I should start by saying that I’m not an authority on frosted celebration cakes (see Claire Safftiz, Natasha Picowictz). I'm writing to you strictly in my capacity as a mum playing out a fantasy of mo…