Wait... how do you bake "exact" duplicated when noone knows the secret ingredient? (According to the OP, it's poison, but our game characters don't know that.)
(JABS YOU WITH Alondite and you dies and me takes teh cookie!)
YOU WANT A PIECE OF ME? THEN YOU WILL HAVE TO TAKE THE BLESSED SWORD ALONDITE FROM MY HANDS!!! ( WHICH YOU CAN NOT DO!!!!) MWOUHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAAHAHAHAHAHAHAHHAHAHAHAHAHAHHAHAAHAHAHA!!!
I destroy the cookie, but then resurect it as a pastry