Here is the timelapse: https://www.youtube.com/watch?v=Rk9Nsz-8f9A Modlist can be found in the video description!

Vanilla Factions Expanded Classical has large passive coolers that actually reach freezing temperatures.

Medieval Overhaul has Wheat that makes Flour that can then be turned into bread.

As for limiting what can spawn I suggest turning off all factions besides those from Medieval Overhaul and Vanilla Factions Expanded Medieval. And also using the storyteller from Vanilla Factions Expanded Medieval.

Here is the timelapse: https://youtu.be/CkAyf3bblsM Modlist can be found in the video description.