With my clay kitchenwares and some basic food items I ventured out into the arid cold southern California desert and made a satisfying breakfast of popcorn, fried eggs, and baked yam at the campfire.

TikTok’s latest food trend has snackers tossing their popcorn into the freezer, transforming the beloved warm treat into a crunchy, chilly sensation that’s dividing social media. Known for ...