This passion fruit and chocolate cake is a rich dessert that is perfect for a winter dinner party. The cake is made with a combination of all-purpose flour, baking powder, salt, sugar, eggs, butter, passion fruit puree, and cocoa powder. The cake is moist and flavorful, with a tangy passion fruit flavor that is complemented by the rich chocolate flavor. The cake is easy to make and can be served with a dollop of whipped cream or a drizzle of chocolate ganache.