Answer:
A dragon's tooth in a mortal's hand, I kill, I maim, I divide the land.
I open wide and tight I shut, Sharp am I and paper-cut fingers too, so do take care, I'm good and bad, so best beware.
The man who made it didn't need it. The man who bought it didn't use it. The man who used it didn't want it.
What can be swallowed, but can swallow you?
Both punishment and sweet reward, It will befall both fool and lord. It is a spiritual scoreboard, Your every deed it does record.
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.