That's So Raven (2003)

Season 4: Episode 22

Raven suspects that Cory has started smoking when she finds a pack of cigarettes in his shirt pocket, but he is really hiding them from his girlfriend, Cindy, so that she does not smoke them. Meanwhile, Raven makes a casserole for a party, but Eddie and Chelsea keep on eating it, and covering it up by making more casseroles, but they keep on eating those as well.