The hallowed cornerstone of kashrus is בחלב אמו אל תבשל, do not eat a goat in the milk of its mother. The Torah repeats this prohibition, מצות לא תעשה, three times,1 instructing us that we must not eat, cook or derive benefit from a combination of milk and meat. To distance ourselves from an inadvertent mistake, safeguards have been instituted and implemented by Chazal to preserve the integrity of the essential מצות לא תעשה.
Meat and Dairy in the Kosher Kitchen
To this end, every kosher kitchen has two separate sets of pots, pans, cutlery and dishes. Similarly, if two people are eating together at the same table, one eating meat and the other eating dairy, the Shulchan Aruch instructs us to make a distinguishing separation between the two friends to avoid an inadvertent nibble.2
Moreover, the Shulchan Aruch also instructs us to wait after eating meat before eating dairy […]