What did Jack Horner pull from his pie

"Little Jack Horner" is a popular English language nursery rhyme. It has the Roud Folk Song Index number of 13027.

Lyrics and melody
The most common modern lyrics are:

Little Jack Horner Sat in the corner, Eating a Christmas pie; He put in his thumb, And pulled out a plum, And said 'What a good boy am I!'

Read more...http://en.wikipedia.org/wiki/Little_Jack_Horner