Step：

1. Wash red beans, put into boiling water until softened and empty the water;
2. Add sweet osmanthus sauce and mix thoroughly for serving;
3. Soak sago for 30 minutes and empty the water;
4. Add sugar, olive oil into sago and mix them thoroughly for serving;
5. Put adequate amount of sago into cake shaper and press down;
6. Add red bean and adequate amount of sago and press down to compact;
7. Remove cake shaper and steam it for 20 minutes;
8. After steaming, put some sweet osmanthus sauce on the cake and ready to serve.