Movies
Everything inside is eatable, I mean edible, I mean you can eat everything.
— Willy Wonka · Willy Wonka & the Chocolate Factory

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
A speaker stumbles through fixing a word, going from "eatable" to "edible" and then giving up and saying it plainly: everything can be eaten. The comedy is in the self-correction, which ends with the simplest possible phrasing.
Context reviewed