For the coffee, you can also make it on coffee granules and that works really well. Just make sure you don't leave this ingredient out because it compliments the chocolate really well and gives the cake extra depth.
对于咖啡,你也可以用咖啡颗粒来制作,效果非常好。只要确保你没有遗漏这种成分,因为它能很好地衬托巧克力并赋予蛋糕额外的深度。