[tialaramex]

"The Illustrated TLS 1.3 Connection" https://tls13.ulfheim.net/ does this in web page form which saves you the effort to go make a connection and try to puzzle it out as an introduction, but your process is fine too -- especially when debugging a concrete problem.

[mcpherrinm]

If you want to augment that website, the captures used to generate it are available, so you can reference them in Wireshark as wekk https://github.com/syncsynchalt/illustrated-tls13/tree/maste...