human meat it must be thats why its so tasty
and to the kid that said Food Inc is awesome it is when i saw that i was like man this thing is making me hungrier i gotta go to the buffet and eat all those chicken wings
Probably cornstarch and similar crap. "Fillers" can mean just about anything edible by human beings; you probably don't want to give it just a whole lot of thought if you're a frequent customer of Taco Bell.