Welcome to the sugar-fueled, manically creative cake universe of Christina Tosi. It's a universe of ooey-gooey banana-chocolate-peanut butter cakes you make in a crockpot, of layer cakes that taste like Key lime pie, and the most baller birthday cake ever. From her home kitchen to the creations of her beloved Milk Bar, All About Cake covers everything- two-minute microwave mug cakes, buttery Bundts and pounds, her famous cake truffles and, of course,...