...and what you want to cook!
[...}
The only fuel I'm aware of that you can fly with is hand sanitizer (80%+ alcohol)
I merely boil water. for tea, coffee, oatmeal, ramen and dried chili.
Really appreciate your observation WRT hand sanitizer, which has perhaps become the most widely available fuel

Have you tried it in a stove? Worth the trouble?
[EDIT]
Found the following video. Excellent!