New York's darling pastry chef Christina Tosi (and fellow redhead) of Momofuku Milk Bar stopped by Conan last night to teach the host how to make her most popular dessert: cereal milk. It's "what's left in your bowl after you eat all the cereal out of it," she explains.Conan and Tosi both had large bowls filled with cereal and milk in front of them, and Tosi instructs Conan to get deep in the bowl with his hands to mix everything together.