This recipe was handed down to me by my grandmother. It's been in the family for generations. The chiles are not battered, but pickled instead. Chiles en Nogada is a Mexican dish that is traditionally made in September, as part of Mexican Independence celebration dinners, especially on the 16 of September. The colors in this dish represent the Mexican flag. Green chiles, White Nogada and Red pomegranates. This dish was born in Puebla, and it is believed to have been invented by nuns in post-colonial times.