Chestnut cake with salted caramel sauce

Our first Christmas was just around the corner. Itamar and I were talking about desserts. ‘Do you remember the chestnut cake we used to make at the OXO Tower Restaurant?’ Giorgia, at the pastry, dropped the whisk she was holding and turned to us, drooling. By the time we were discussing the salted caramel sauce that went with the cake, she had nearly turned into a puddle. This is one of our most successful desserts and has gained us many compliments, not only from Giorgia; the fact that it