Chocolate-Pistachio Cake

This is a straightforward cake to make, though an expensive one. While I know that pistachios cost more than other nuts, I can’t help but prefer them, especially here. There’s no need to ice it, but if you do, it looks spectacular in a rewardingly subtle way. It’s a very useful cake to make for an elegant birthday dinner. I adore raspberries with it: the dark glow of the chocolate and the waxy jade of the nuts, perfect partners as they are, come newly alive with the matt-ruby of those beade