Ventura County-based home cook Jill Hecker prepares Cheesed Potato Chips from "Amy Vanderbilt’s Complete Cookbook" for an episode to be posted on her YouTube channel, YesterKitchen.

Jill Hecker was already an avid home cook and self-taught food historian who read recipes instead of novels when she found the 1950-era travel guide that turned her into a YouTuber. "It was sitting ...