When I used to work at Denny’s as a server and manager (and just about every other job code), we used to have several tricks of the trade that various servers or cooks liked to practive. Here’s a Denny’s “secret” for you: if a customer wanted their sausage well done, some cooks would drop the sausages into the deep fryer. In addition to cooking the sausages extremely thoroughly, it would make them crispy on the outside.