Any clay vessel it is boiled in must be broken, and if it was boiled in a bronze vessel, then that vessel ¹  must be rubbed out and rinsed in water.

Then Moses said to Aaron and his sons, “Boil the meat at the entrance of the Meeting Tent, and there you are to eat it and the bread which is in the ordination offering basket, just as I have commanded, ¹  saying, ‘Aaron and his sons are to eat it,’