What is the origin of the idiom "hot potato" and when to use it?

The idiom "hot potato" originated from the literal situation of a potato being hot and difficult to handle. It has evolved to describe any controversial, sensitive, or challenging issue or topic that is passed or transferred quickly from one person or group to another due to its complexity or potential for difficulty. The phrase is commonly used to emphasize the uncomfortable nature of dealing with a particular matter, often highlighting the desire of individuals or entities to avoid responsibility for it.