I have to go with Totinos. It's cheap, it's quick, and it's delicious. That and Stouffers French bread.
Unfortunately, lately I can only find plain cheese, there's a shortage of EVERYTHING, it seems. I prefer either meat lovers, or supreme/delux.
(Stouffers USED to have this absolutely delicious white garlic variety, which was out of this world. Of course, they stopped making it.
)