Gingerbread / Helen Oyeyemi.

"Perdita Lee may appear to be your average British schoolgirl; Harriet Lee may seem just a working mother trying to penetrate the school social hierarchy; but there are signs that they might not be as normal as they think they are. For one thing, they share a gold-painted, seventh-floor walk-up apartment with some surprisingly verbal vegetation. And then there's the gingerbread they make. Londoners may find themselves able to take or leave it, but it's very popular in Druh�astrana, the far-away (or, according to many sources, non-existent) land of Harriet Lee's early youth. The world's truest lover of the Lee family gingerbread, however, is Harriet's charismatic childhood friend Gretel Kercheval--a figure who seems to have had a hand in everything (good or bad) that has happened to Harriet since they met. Decades later, when teenaged Perdita sets out to find her mother's long-lost friend, it prompts a new telling of Harriet's story."--