Don't think it will be too much and incomplete. In fact, just making a variety lasted more than 20 kinds (initial stage).
In Qingdao, you can ask Qingdao People's Insurance Bureau about two local vocational schools with subsidized qualifications, Chinese pastry chefs and western pastry chefs. If you have a Qingdao hukou or local payment, there will be government subsidies and tuition fees will be cheap.
Vocational schools recognized by the People's Insurance Bureau are more reliable, and the social foundation can be further studied according to the popular desserts in Qingdao.