John Saxon and Jsu Garcia also appeared in A Nightmare on Elm Street (1984). John Saxon as Nancy's father and Jsu Garcia as Rod Lane (Tina's boyfriend)
As stated before, John Saxon and Jsu Garcia both appeared in 'A Nightmare on Elm Street'(1984). Fran Bennet played Dr. Heffner in 'Wes Craven's New Nightmare' (1994) in which they both also appeared.
The title refers to the common old English idiom: "The proof of the pudding" or "the proof of the pudding is in the eating".