DNA tests have revealed that the mystery goo was kefir cheese, a probiotic soft cheese, and that it was produced using cow and goat cheeses thousands of years ago.
https://www.livescience.com/archaeology/mysterious-white-substance-smeared-on-3600-year-old-mummies-is-worlds-oldest-cheese
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@Fiikus_goddess another source for the forbidden grilled cheese.
@Kurtroedeger @estherschindler
Sarcophahus juice and grilled cheese! It just got easier!