The state needs to give public schools a larger 'piece of the pie'. [=the state needs to give public schools more funds]
He's the best player on the team and he wants a bigger 'slice of the pie'. [=he wants more money]
His plan to reduce the national debt seems like 'pie in the sky'.
(..) - Did you know that? - Thank you. I'm flattered. Smile! You're at Mr. Smiley's! Would you like to try our new beef and cheese pot pie on a stick? Just $. for a limited time only. - We were just at a seminar. Buddy, this is my... - We've met before, (..)1999 American Beauty