He used a razor, and he used to slice it so thin that it used to liquefy in the pan with just a little oil.
7 seconds sound clip from the Goodfellas movie soundboard.
You can hear this line at 01:20:19 in the Blu-ray version of the movie.
Quote context
[...]
- I'll call you when I get a chance.
- In prison, dinner was always a big thing.
- We had a pasta course, and then we had a meat or a fish.
- Vinnie was in charge of the tomato sauce.
- Three kinds of meat in the meatballs: veal, beef, and pork.
- Good, but you gotta have the pork. That's the flavor.
[...]