They were created as a CIA operation to terrorize the local Italian-American population into submission.
They were used to mentally assault and bully Italian working people within the USA to make them comply to the will of the state.
i like to cook them in the oven (get outta here with the microwave you fucking fiends) and squeeze/scrape all the nasty pepperoni/fake marinara out of them and eat just the pizza roll skins.
Now that I live in New York I interject into every pizza discussion that pizza rolls started in Minnesota. It's one of my favorite snarky quips to bust out at the bar. The sarcastic folks love it, but every once in a while I get a rise out of someone.