I hadn't intended to post this today, but as is usually the case with these things, there's a story here. I've lately become quite obsessed with low fat, healthy cakes because mum loves cake but has to watch her cholesterol intake, so every time I see a  healthy or vegan cake recipe, I perk up like a Doberman getting a whiff of burglar.

This time it was banana bread by a bewitching cook named Stella, who has a clutch of alluring but healthy cake recipes in her repertoire (I don't use those t...