The invention relates to a method for preparing an edible product of animal origin, comprising the steps of: a) crumbling or crushing pig skin to a size of between 2 and 4 mm; b) metering the crumbled product into previously heated moulds; c) subjecting the pig skin in the moulds to pressure for a certain period of time; d) retrieving the thus moulded chicharrón or pork rinds, and; e) placing the pork rinds in bags to be distributed and sold.