In American everyday language it's correct. You can hear people saying: Let's go for pizza/pie/ice-cream/dessert, instead of saying: some/ a piece of pie, etc. Don't forget that all these words are also considered uncountable, therefore don't need the indefinite article a/an.

What does "pie" mean in the following sentence?
What do I need to grant permission for creating a service in Windows server 2008 R2?

I have added the user to the local "Administrators" group. 

This is the error message:

C:\temp&gt;sc create test  binpath=c:\temp\test.exe
[SC] OpenSCManager FAILED 5:
Access is denied.

