The Unofficial Harry Potter Cookbook: From Butterbeer To Rockcakes :

"Smuggle in some muggle magic with The Unofficial Harry Potter Cookbook: From Butterbeer To Rockcakes! Inside this new and improved edition of find more sugary sweets with the addition of Holy Hogwarts (A Fig Custard dessert), I Put A Spell On You Cupcakes, Butterbeer, Hermiome’s Precious Potion, Butterscotch Bars, Harry’s Tea and Get Out Of a Jam Cookies, Cockroach Clusters and much more, if you dare!"