When Amelia Morris saw a towering, beautiful chocolate cake in Bon Appetit and took the recipe home to recreate it for a Christmas day brunch she was hosting, it resulted in a terrible (but tasty) mess that had to be served in an oversize bowl. It was also a revelation. Both delicious and damaged, it seemed a physical metaphor for the many curious and unexpected situations she's found herself in throughout her life, from her brief career as a six-year-old wrestler to her Brady Bunch-style family (minus the housekeeper and the familial harmony) to her ill-fated twenty-something job at the...