This easy Ovaltine cake is a rich, malty loaf made in one bowl, ready in about 40 minutes and perfect with afternoon tea. I have recently realised that I cannot live without cake. Cake is not merely a dessert to me; it is a mood, a fragrance, a small domestic ceremony. I thrive on baking cake, eating cake and, most of all, breathing in the warm smell of a freshly baked cake as it fills the kitchen. I started baking because I loved eating cake. Now that baking is my business, the relationship has become slightly unfair: I bake more…