HOLY SHIT,
NOW THIS IS A MOD YOU WANT TO ADD. THE DRACOMELETTE MOD.
https://www.curseforge.com/minecraft/mc-mods/dracomelette
HOO DOGGY. You just slap that bad boy (the dragon egg) above a roaring flame, and man, you got yourself a lunch that'll last you till next week!
In short, you can eat the dragon egg.
And that's funny. 
