Waiting After Milk - Keeping it Kosher Clip

Everybody knows about waiting after  meat before eating milk. A lot of   people don't realize that there are  halachos about eating meat after milk. A person can't just have some milk and then have a  hamburger a minute later. Before a person has meat   after having milk, a person has to thoroughly wash  their hands and cleanse their mouth as well as   either brushing their teeth thoroughly or eating  a pareve food that's going to clean the mouth out.   And some say you have to wait a certain minimal  amount of time. But in terms of the cheese,   the hard cheese, that's where the curiosity is.  We have to really go back to why a person has to   wait after meat before having milk. The Rashi in  Chulin says there's meshichas ta'am. There's a   fatty aftertaste that's going to linger there  for a while and therefore before a person   has milk he has to wait for this enduring  taste to dissipate. The other reason is the   reason the Ramban brings, basar ben hashinayim,  there's meat in the mouth that doesn't dislodge   easily. It takes time to dislodge. These same  two reasons actually pertain to having certain   types of cheese prior to meat. Certain types  of cheese have a meshichas ta'am. Limburger   has a very very pungent taste to let stay in the  mouth for a while. A person can't have Limburger,   a kosher version, of course, and then have  beef afterwards. And so too, certain cheeses,   this is much more common, they're very brittle  cheeses, similar to meat, they're not going   to leave the mouth right away. These types of  cheeses, a person has to wait before having meat.