The fluctuating heat that comes from an open fire - or even a deep bed of coals (which is the preferred heat - but kids don't often - nor hungry dads - wait long enough to get good coals) is tough to work with. Caste-iron pans cook differently than the usual kitchenware. They hold heat - which is great if you remember to factor that in to your cooking.
On of the things that is a really important in camp cooking (as in any kitchen cooking) is getting some robust resources at your fingertips. We have collected some of them at our camp kitchen website: