“Pistachios are super tasty, vibrantly colourful and chock-full of healthy fats. In addition to being highly nutritious, they’re also very forgiving to the baker – the high fat content provides incredible moisture and makes it almost impossible to overbake this cake. We tend to use whole pistachios and grind them fresh, as they oxidise quickly once ground. A top tip is to…” – Michael & Pippa James

“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…