In Goodfellas, the garlic-slicing scene was inspired by Nicholas Pileggi’s real interviews with mobsters — they actually shaved garlic with razor blades in prison so it would liquefy in the pan.
https://blossom.primal.net/d40574dc37d5c218f6d942b7940a42be08a66f79859ed7a286938b2c2dd21c39.mp4