What is the origin of the idiom "over-egg the pudding" and when to use it?

The origin of the idiom "over-egg the pudding" is rooted in the culinary world, dating back to the 17th century. In the context of cooking, "over-egging" means adding too many eggs to a pudding, which could result in a dense or unappetizing dish. Over time, the expression evolved into a metaphor for embellishing or over-complicating things in various aspects of life.