He should just bake it. And replace the chocolate with ex-lax
He would be charged for food contamination and go to jail for that. Mr. Robinson just this morning put out an alert on things we should NOT be posting.
Unless you can be sure its only in the part of the cake the perverts will eat that would be a very bad choice. Some elderly person could easily eat it and even die from dehydration.
Boogers, otoh, harm no one....