Yes, the sentence is grammatically correct.
The meaning of the sentence is that the speaker believes cooking an entire pack of spaghetti at once could be a challenge or a risk that may expose their lack of skill in the kitchen. It suggests apprehension about handling that quantity of food at once.
Here are a few possible rephrasings:
1. "Asking me to cook an entire pack of spaghetti at once is a challenge to my cooking abilities."
2. "Telling


