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.