Molly Wizenberg gained food-world fame through her blog, Orangette, as well as two memoir: Delancey: A Man, A Woman, A Restaurant, A Marriage and A Homemade Life: Stories and Recipes From My Kitchen Table. Her latest, The Fixed Stars, has no subtitle and no food hook—in fact, it’s a memoir of shedding food, which she noted in her final blog post in 2018…