This article is adapted from the September 12, 2021, edition of Gastro Obscura’s Favorite Things newsletter. You can sign up here. Last week, I pulled up Facebook Marketplace to order dinner. I picked out a sushi bake, a rice-and-seafood casserole that exploded in popularity during the pandemic. Within minutes, I reached the seller and paid over Venmo. A few hours later, I opened my door and found the sushi bake on my front porch, emblazoned with a sticker with the chef’s social media info. I had just participated in an…
