Jimmy Doherty homogenises and pasteurises milk in his food factory.
Jimmy Doherty finds out how pre-cooked rice is made safe to eat and bacteria free.
Jimmy Doherty makes his own processed cheese in a food factory he has created in his barn.
Jimmy Doherty uses a specially built cannon to create puffed rice cereal.
Jimmy discovers how salad producers keep the bugs out of the bags.
Jimmy Doherty makes his own square ham in a food factory he has created in his barn.
Jimmy Doherty visits a factory to see how yoghurt is produced and flavoured.