There are cooking bags out there.

http://www.mqplastics.com/boil-nylon-bags.html?boil


My only thought is flashing back to my army days (Canadian)when we had a thing called a ham omelette. You could boil it. You could fry it. You could add ketchup, salt, pepper and tabasco to it. But it was all in vain because it still tasted like crap.[:@]