The challenge is to increase the popularity of Wheat Gluten aka Seiten as a meat substitute, so it ends up spreading as far as the Indian subcontinent and even Europe (via West / Central Asia) prior to the later part of the Early Middle Ages at the earliest up to the European age of discovery at the very latest.
Also what impact (if any) would Wheat Gluten have outside of East / South East Asia?
https://en.wikipedia.org/wiki/Wheat_gluten_(food)
Also what impact (if any) would Wheat Gluten have outside of East / South East Asia?
https://en.wikipedia.org/wiki/Wheat_gluten_(food)