I think the best birthday cake in Shenyang should be Hope &; Love). The rice flag used to be good, but later it was not so good. The sweeter it gets, the worse it tastes. Queen Sistine is also good, but it's too expensive. Holiland can't be on the table at all, something that farmers like.
Xi Ai has a shop in Nanjing North Street, which can also be booked online.