How long does one usually need to marinate a fruitcake made from good recipe?

A traditional fruitcake made with good quality ingredients (such as dried fruits, nuts and spices) typically requires an extended marination period to allow the flavours to develop and meld together. The marination time can vary depending on the recipe, but generally, a well-made fruitcake should be marinated for at least two weeks, or even up to several months. This allows the alcohol and other liquids in the marinade to penetrate the cake and enhance its flavours. Some recipes may also recommend marinating the fruitcake for a shorter period of time, such as overnight or for a few days. However, keep in mind that a longer marinating time will generally result in a richer, more complex flavour in the final cake.