What is the oldest piece of cake?

However, here are some reasons why it is impossible to find the oldest piece of cake:

* Cake doesn't last that long. Cake is a perishable food item that will decompose and rot over time.

* Cake is meant to be eaten. The purpose of cake is to be consumed, not preserved.

* There are no reliable records of cake preservation. While there are historical records of cake making, there is no evidence of any cakes being preserved for centuries.

Therefore, the oldest piece of cake is a hypothetical concept.

While we can't find the oldest piece of cake, we can still appreciate the history of cake and the cultural significance it holds.