What key duty related to the recipe is maintained by the Carthusian Brothers at the Monastery?
Guarding the secret recipe
The primary, non-negotiable role of the Carthusian Brothers residing at the Monastery of the Grande Chartreuse centers on spiritual commitment and the protection of proprietary knowledge. They are the guardians of the secret recipe used to create the elixir. This secrecy is enforced by keeping the inner workings of the monastery closed off to the public, thereby shielding the crucial formulation details. Although the commercial handling and production logistics were separated and entrusted to external operators like Marre-Romain to ensure business continuity, the ultimate stewardship and protection of the ancient formula itself remain firmly under the control and vigilance of the monks in their secluded mountain home.
