If you can tell me how a chicken realizes that cooked up scrambled eggs came from the eggs they see and lay, you are way smarter than I am. ;) If I have a cracked egg out in the nests, I toss it on the ground for them. If I have an over-abundance of eggs, I hard boil a dozen or so, put them in...
I just did what a mom would do. She has them out digging in the dirt a couple of days after hatching. If she finds an interesting little tidbit, they eat it too. Bugs, dirt, chicken poop, weeds, grasses - they are nibbling on all of it at just a few days old. She's not peeling, coring and...