This article is adapted from the October 30, 2021, edition of Gastro Obscura’s Favorite Things newsletter. You can sign up here. The other day, I was cooking galbijjim: stewed short ribs. According to Maangchi’s Big Book of Korean Cooking, by the supreme online cooking teacher Maangchi, this dish is often made for birthdays and holidays, and it is accordingly lush with jujubes, pine nuts, chestnuts, and ginkgo nuts. Lacking that last ingredient, my mind wandered down the street, to where my neighbor’s four ginkgo trees were all dropping fruit. I’ve…