>grab a slice of processed cheese (looked like a standard individual plastic packaged slice to me)
Kraft makes a plastic wrapped slice that is "cheese food", however they also make an American cheese slice that is actual cheese. I suspect you saw the latter.
Kraft makes a plastic wrapped slice that is "cheese food", however they also make an American cheese slice that is actual cheese. I suspect you saw the latter.
https://www.kraftheinz.com/kraft-deli-deluxe/products/000210...