You can share your methodology in dedicated journals or method repositories.
protocols.io is such a repository for methods. You can watch two short introduction videos by Emma Ganley and Lenny Teytelman to learn more.
See methods & protocols - ReproducibiliTeach for the differences between protocol journals and protocol repositories (at 23:33).
You can also choose to share your electronic lab notes openly.
More information
- Protocols.io - Share science protocol knowledge (1 min video)