I wrote the company that makes the Ova Easy eggs (Nutriom) and they replied that a hot soak cook method is safe even if the consistency may not win any Top Chef awards:
“The liquid eggs we buy to dry are pasteurized, so they can be eaten without being cooked, like in a smoothie or cooked, boiled, fried, baked or microwaved.”
I tried them in a Wallabye mylar bag and cozy, hot soaked in boiled water for 15 mins with Ramen, bacon bit and spices.  Worked like a charm: some fluffy egg bits scattered but mostly turned into a creamy sauce:

Clean up was order of magnitude easier than the usual camp pot. Success!
On the topic of freezer bag safety, almost all are high or low density polyethylene, but different manufacturing methods and/or compositions seem to make some safe for use in boiling water, others not. I’ll start a separate thread on this because it’s an important topic that hours of on line investigating haven’t led to any firm conclusions on, which I’m really surprised by given these have been used for trail meals for a long time.