Because he needed a poo.
I SEE IT!** ooooohh **I NEED IT!**(https://www.youtube.com/watch v=Ps0MfBG5-Uo#t=1m24s)
Onions, tomatoes, and a whole bunch of lattice
He was a pieromaniac.
I make my own dough". My sister Katie came up with this one.
Poo
Because he kneaded a poo.