To the rule “Supply Chain”, add:-

If a Tasting Contest has revealed that a particular Package corresponds to a particular Ingredient, and if nobody has done so already, then any Cook (or the Restaurant Manager) may add that Ingredient in square brackets after the name of the Package in the above list; such Packages are considered to be Known.

If a Recipe refers to an Ingredient by name, and that Ingredient corresponds to a Known Package, then the Ingredient reference is instead considered to be a reference to a Package that corresponds to that Ingredient, on the above list. (If multiple Packages correspond to the Ingredient, it is considered to be a reference to the one which appears earliest in the list.)