From the Museum of Hoaxes:
The notebook of Thomas Betson, a fifteenth-century monk at Syon Abbey
in Middlesex, records his joke of hiding a beetle inside a hollowed-out
apple. When the apple began to mysteriously rock back and forth people
believed it to be possessed. Other manuscripts include instructions for
more mischievous tricks, such as how to make beds itchy and meat appear
wormy.
The Secretum Philosophorum,
which was a kind of fourteenth-century guide to trickery, offered a
recipe for magically transforming water into wine. The trick was to
secretly drop pieces of bread into the water, after first soaking the
bread pieces in dark wine and then drying them in the sun.