Well, then you'll have to wait until Charles is finished.
3 seconds sound clip from the Frosty Returns (1992) movie soundboard.
You can hear this line at 00:09:43.182 in the DVD version of the movie.
Quote context
[...]
- Holly's plan seemed to flow without a hitch until...
- Holly, what is that sticking out of your desk?
- It's just my lunch...turkey.
- Don't you think you should cook it first?
- I do.
- Well, then you'll have to wait until Charles is finished.
- Isn't that right, Miss Carbuncle? Miss Carbuncle?
[...]