I've had friends who raised chickens for eating. When they butcher them, there are unlaid eggs inside the chickens, which they use for making chicken and dumplings.
I've not seen it, but they tell me there's a string of eggs, all the way from beginning stages to the end. The last ones will have a soft shell, while the first ones aren't more than a little orange yolk.
I would think that would make for quite a gourmet delight.
We get by with a little help from our friends