This article is adapted from the December 18, 2021, edition of Gastro Obscura’s Favorite Things newsletter. You can sign up here. Every December, I half-heartedly try eggnog. It’s never planned. I’m usually at a holiday party and see the creamy mixture sloshing in a punch bowl and think, “What the hell. ’Tis the season.” It’s always a disappointment. Like me, many people dismiss ’nog as an afterthought, either sampling it from bland, premixed cartons or trotting out the same blasé recipe every year. This holiday season, I’ve decided to give…