The art of using up left-overs is nearly just as important as knowing how to make the beginning meal. Lack of ability to feed the entire horde with leftovers can sometime force people to ingest peanut butter and jelly sandwhich, an cruel punishment indeed.
In this case, The Troll was faced with the challange of feeding the horde with leftover corned beef, and the first rule of leftovers is that if you don’t make it good enough to be eaten, it doesn’t count as using up leftovers (because no one will eat it). Left over corned beef, besides the original challenges of being fatty and salty, also smells putrid when simply heated up in the microwave and eaten in the same manner as the night before. A solution must be found. . .