“The omelets are done by putting an egg with stuff in a freezer bag, then submerging the bag in boiling water until cooked.”

Our scouts don’t have good luck with this. And they’ve tried it several times. Once the bag touches the side of the pot, it melts a hole.
There was a loooong thread on this topic last March: http://www.backpacking.net/forum/ubbthreads.php?ubb=showthreaded&Number=112253


Have fun!
-Barry