What is 5 over 8 large egg mean in cooking?

"5 over 8 large egg" is not a standard term in cooking. It's likely a misunderstanding or a typo.

Here's what it *could* mean:

* 5/8 of a large egg: This is a fractional amount of an egg. It's unlikely to be used in a recipe as it would be difficult to measure accurately.

* 5 large eggs, 8 of something else: This could be a recipe instruction that lists 5 large eggs and 8 of another ingredient (like tablespoons of butter, cups of flour, etc.).

To understand what "5 over 8 large egg" means in your context, you need more information.

Please provide the full recipe or context where you encountered this phrase.