All right, here it is: Vampire fang, ghost sweat, werewolf hair a la mode.
6 seconds sound clip from the Halloweentown movie soundboard.
You can hear this line at 01:05:26.432 in the Blu-ray version of the movie.
Quote context
[...]
- Come on, you little Cromwell punk. You think you're so smart!
- All right, here it is: Vampire fang, ghost sweat, werewolf hair a la mode.
- I can't remember Grandma's spell.
- What do you mean, you can't remember?
- It was Old English or Welsh or something. I mean, give me a break, I have trouble remembering agua.
- I thought you said you're a witch. The least you can do is remember a dumb spell.
- OK, OK.
[...]