“If you ever see me at the supermarket, chances are I’ll have a caramel mud cake in my basket. It is my favourite massproduced treat and resolutely non-guilty pleasure. Alas, so many attempts to re-create it left me disheartened – until I dabbled with chicory, a caffeine-free coffee substitute…

“Brownies are like socks. Stay with me here … They are mostly functional, but when you get a really, really good one, you really, really know it and you become deeply loyal to those socks/that brownie. Brownies are also a deeply personal bake – no nuts, fudgy, cakey, edge piece or centre piece…