I'm pretty sure it was a silly joke. "Qu'ils mangent de la brioche" (brioche is a light pastry bread) is unlikely to have actually been said by Mme Antoinette a

I'm pretty sure it was a silly joke. "Qu'ils mangent de la brioche" (brioche is a light pastry bread) is unlikely to have actually been said by Mme Antoinette anyways.