The answer to your question is as close as your Ova Easy egg mix, a bag in which to boil some reconstituted eggs, and a pan of boiling water!

To be honest, I understand your reluctance to open a package that probably contains more egg mix than you want to eat immediately, and is more expensive than fresh eggs, just so you can prepare and eat an experiment at home. I'm sorry I can't supply the info you're seeking.

The last time I tried powdered eggs on a backpack was in 2003. They weren't Ova Easy brand. I decided they were more trouble than they were worth, but the idea of using the 'boil-in-a-bag' method sounds intriguing and far less trouble than cooking them directly in a pan that must be cleaned afterward. If you do try the experiment at home, let us know how it worked for you.