Question:
A trivet is a small plate placed under a hot serving dish to protect a table or surface. Can one have only one trivet, and use it interchangeably to place meat or milk pots on it?
Answer:
You should get separate trivets for milk and meat. The reason is because often the bottom of the pot is wet, and that would make the trivet either milky or meaty. Then when the other type of pot is put down onto it, and it or the trivet is wet, it will give it the absorbed taste of the other type.
Best wishes
