Chocolate Velvet Fudge Cake

This cake is wondrously soft, light, and deeply chocolaty. When baked in a silicone fluted tube pan, it is extraordinarily moist and fine textured with a shiny crust; it’s portable as well. I brought it to a restaurant in its pan (the pan was part of the present) for my dear friend Jens Schmidt’s birthday. I unmolded it at the table, and the kitchen sliced the chocolate marzipan candle paper thin and draped a piece over each serving—a stunning presentation. Jens, who adores chocolate and ma