What to Know about ‘Unfrosted’ and the Real History of Pop-Tarts

First, there was the Flamin’ Hot Cheetos biopic (complete with an Oscar-nominated song). Then came “Tetris”; “Air,” about Nike Air Jordan sneakers; “BlackBerry”; and “Barbie.”It is, in other words, a golden age for product-origin-story movies.The latest is “Unfrosted: The Pop-Tarts Story,” a satirical history that Jerry Seinfeld has expanded from his stand-up act. The film, which he directed and stars in alongside Jim Gaffigan, Hugh Grant and Amy Schumer, arrives Friday on Netflix. Unlike its predecessors, it’s not really concerned with actual events. Here’s what…