As I type this, I’m sitting in at the dining table, sipping a warm chamomile (my new favourite drink, it appears. What can I say… I lead a rock’n’roll life) and eating my usual breakfast, plain yogurt with homemade muesli. Today, though, Scottish strawberries and raspberries have also found their way in the bowl. I’ve worn sandals for the past 3 days in a row. My usual make up makes me look pale, because my face is lightly tanned. In other words, the unpredictable British summer is here, and, to my shame, today’s recipe is conspicuously un-summery. Oh well. It’s a chocolate cake, substantial, moist and flavoursome. Our oven broke in April and for weeks I couldn’t bake anything. At the time, I was…