Mountain house, jerky, trail mix from costco, cliff bars, tortillas with nutella, emergenC packets. assorted candies. Bumble Bee tuna salad or chicken salad snack packs are good too. Just a few things I like to eat on the mountain
It depends on your camping situation. My last trip was right next to a trailer, so I cooked single pot meals and froze the food in bailable bags. We dunked the frozen food in a turkey fryer full of water... Fresh(ish) chili, stew, etc.
This article spells out the calorie per ounce idea in detail. Go all the way to the bottom.