Lemon into lemonade?

Tucson Weekly : CityWeek : Magic Masters: "The following magic trick has been performed in front of live audiences. No mirrors or smoke are used. No animals are harmed. Imagine a drum roll ...
A $100 dollar is obtained. A trusting audience member signs the bill. The bill is handed to a magician who destroys the bill in plain sight. Elsewhere in the audience, another trusting person is holding a double-bag, stapled shut, containing a lemon. This audience member is asked to hand over the bag. The magician removes the staples, opens both bags and takes out the lemon. The lemon is sliced open to reveal a $100 bill--the bill that was seemingly destroyed earlier, with signature intact! "

I'd like to pay my bill like that!