Answers:
IT'S INJECTED IF YOU LOOK AT THE BOTTOM OF THE TWINKIE YOU CAN SEE 3 HOLES WHERE THEY HAVE DONE THIS.
Other Answers:
tubes
They have this little frosting tube that they insert into the anus of the twinky.
It's injected.
it's injected that's why there's a hole at one finish off.
I'm just amused this be put into the ethnic category. I didn't know programmers were considered an ethnicity.