Pastry chef Koa Duncan of Los Angeles's Water Grill is incredibly creative. She's also remarkably persistent: Working as a pastry chef in a town that loves to diet is an uphill battle. Her fantastic passion fruit and creamy coconut parfait, layered with crunchy bits of cashew praline, is good enough for Angelenos to forgive themselves the indulgence.
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Tune in on Wednesdays at 10PM ET for Top Chef: Boston, the 12th season of Bravo's Emmy-Award winning, hit reality series.