I just had an idea for a new episode: the first fast food restaurant in equestria threatens to put the cakes out of business. Flim and flam strike again! Lol
It could have something like Flim and Flam have a machine with stored up magic that makes otherwise inedible food takes delicious. They start off doing well, hiring cheap help, and making very addictive food out of whatever they can find cheaply or free. Then something goes horribly wrong!