Per Wikipedia (and also this one time I was chatting with a Rabbi), the rule comes from a prohibition against ritual magic: https://en.wikipedia.org/wiki/Milk_

Per Wikipedia (and also this one time I was chatting with a Rabbi), the rule comes from a prohibition against ritual magic: https://en.wikipedia.org/wiki/Milk_and_meat_in_Jewish_law#Explanation_of_biblical_law https://en.wikipedia.org/wiki/Milk_and_meat_in_Jewish_law#Ex...