It's quite simple, really. Take any famous quote from reality, the movies or a book, and change one word of it. What word to change it to?

"Muffin".

Ahem, for example.

Let not a man guard his dignity, but let his dignity guard him. ~ Ralph Waldo Emerson
Let not a man guard his muffin, but let his muffin guard him.

I kill a communist for fun, but for a green card, I gonna carve him up real nice. ~ Tony Montana, Scarface
I kill a communist for fun, but for a muffin, I gonna carve him up real nice.

I did not have sex with that woman. ~ Bill Clinton
I did not have sex with that muffin.

You get the idea. Go find a quote, show us all what you can come up with!