Billy Madison: I guess that Snack Pack is pretty good huh?
[the little kid smiles and nods]
Billy Madison: Wanna trade me the rest of it for this banana?
[the little kid smiles and shakes his head]
Billy Madison: You know how how hard I could beat you?
From Internet Movie Database.
In any serious discussion of school lunch food, you cannot forget to mention the packed lunch. Anyone who brown-bagged it remembers peeking into the lunch sack...