BAHAN:150 gram margarin 100 gram gula pasir halus (kastor) 1/4 sdt garam chocolate, lelehkan175 gram dark cooking chocolate, lelehkan 3 butir telur 130 gram tepung terigu protein sedang25 gram cokelat bubuk1 sdt baking powderHIASAN:400 gram buttercream siap pakai100 gram dark chocolate, lelehkan1...