You've obviously never read the ingredients.
3 seconds sound clip from the The Brave Little Toaster (1987) movie soundboard.
You can hear this line at 00:28:23.967 in the Blu-ray version of the movie.
Quote context
[...]
- Every parent's nightmare. You wake up and find a rat in your baby's crib.
- Okay, Blanky. You can come up now. Blanky? Blanky?
- All set?
- Set!
- Ready with the alternative energy fuel?
- Got it.
- I don't see how that thing is gonna work.
- You've obviously never read the ingredients.
- Hey, read the instructions. You're not supposed to open it until after it's popped.
- We aren't gonna eat it. We're gonna fly on it.
- Hey, look. Ratzo's waving goodbye.
- Goodbye, Ratzo.- Goodbye, Ratzo.
- Blanky! What are you doing here?
[...]