You can apply for a patent. Food production methods need to apply for invention patents. If you apply directly to the State Patent Office, you need to prepare the request, claim, specification and abstract of the invention patent. If you want to apply through a patent agency, these materials are handled by the patent agency. You need to cooperate with the patent agency and make technical disclosure to the patent agency.
But if it is particularly good, it should be protected as a trade secret, thinking that all information of intellectual property rights is public and can be used by the public after a period of time.