What you need is one-way professional knowledge. You can participate in short-term training courses offered by vocational and technical schools with similar majors, such as cooking and catering. If there is no short-term training course, you can also follow the class for further study. Of course, you have to pay tuition. The following schools all have cooking and catering majors, so you can learn more about them. As for the experience of opening a shop, I have never opened a shop, so I dare not talk nonsense.

Zhejiang Vocational and Technical College of Commerce: zjetp.com/