I am going to assume you are not backpacking in which would require you to consider the many dehydrated meals you can buy at the sporting goods stores. You can still use those, of course.
You could use any grilling recipe you have ever seen. As a boy scout, I used to cook with aluminum foil pouches a lot. For instance, put a hamburger patty onto some foil, put some chopped potatoes and chopped carrots on top of the meat Salt and pepper. Wrap and seal in aluminum foil and bury the packet in the coals. 45 minutes or so later, you have a pretty decent meal for 1. There would be all kinds of variations with the veggies on something like that.
You could trim the top and peel a sweet onion. Slice it vertically in 4 segments almost but not quite to the root. Insert butter between the segments. wrap in foil and bury in coals for 45 minutes. You could add beef bouillon to it for even more flavor.
I would purchase a cast iron camping type dutch oven. These have a bail you can hang it from and they have a lid that fits tight. They usually have small legs. You can bake or braise or boil in these. They are very versatile. Season it before you leave. Here is a link to one: http://www.amazon.com/Lodge-Logic-4-Quart-Cast-Iron-Dutch/dp/B00008GKDV/ref=sr_1_2?ie=UTF8&s=sporting-goods&qid=1280940305&sr=1-2
Anyway, you could make a pot roast with one of those or a stew. A stew is especially nice for camping. You could make or reheat any kind of soup in one. Either hang it or put it near the flame.
Lots of camping sites, nowadays won't let you use an open fire on the ground. If that is the case, you would want to consider one of the portable, collapsible grill/stoves like this one http://www.amazon.com/Coleman-Perfect...
You can take a canned soup and fortify it with rice or more meat.
That should give you some ideas.
I've also done ice-cream while camping. My sister gave me the ice cream ball -it's this metal container that in one side you put ice and salt, and the other you put your ingredients, and then shake & roll it for about 20-30 minutes and voila, ice cream. It was fun and kept us busy, and we did it the first night so the ice and cream were still cold from our cooler.
We like to marinate a boned legalamb in a ziplock and then slow roast it over the big camp grill. Make things easy by precutting veggies and dumping them in foil. Cook oiled up red potatoes along side - nice and crisp. Maybe a greek salad or some greek dips with veggies/pita ahead while the lamb tortures everyone in the campground. Easy peasy.
Oh and next day, lamb sands on pita with gobs of leftover tzatziki and ripe summer tomatoes.
When I was a kid we did a lot of camping and I must have been quite young when she put together a hotdish (we're from Minnesota, so it's a hotdish) that she called "Campers' Hotdish" (I don't know if she used the possesive, as far as I knew, she never wrote it down).
Anyway, she made it by browning hamburger and chopped onions and celery. Then she dumped in a can of Franco American spaghetti and a can of drained kidney beans. I think there was some oregano and fennel seeds in there as well, maybe a little chili powder and garlic powder too.
Looking back, I’m sure she was trying to stretch a pound of hamburger to fill a family of five. I may have to make some soon. She's been gone for a couple of years now so I might try and make it and bring my dad over, he'd get a kick out of it.
The first time she made it (and probably didn't have the spices she used when she made it at home) was on a camping trip to Alaska. I remember being on the Al-Can Highway before it was paved. I think it took us about a week of steady driving to get to Anchorage.
Here's my 2 night camping menu:
Friday night - chicken & veggies in foil packets. Whatever veggies I have, I like green beans, potatoes, asparagus, etc. chicken, lemon juice, oregano, s&p. Toss on coals while setting up tent.
Saturday: Breakfast pancakes & bacon; Lunch either burgers and dogs, pasta salad, or pb&j with good artisan bread if we're planning to be hiking and out and about for the day. Dinner - campfire chili cooked in our cast iron dutch oven. 1 lb ground beef (bison), 2 green peppers, 1 zucchini, 1 cup corn, 1 cup carrots, 1 onion, 4 cloves garlic, 1 bottle of beer, 1 28 oz can of chopped tomatoes, chili powder, cumin, oregano, s&p and 2 dark chocolate hershey kisses. I toss it all in the dutch oven and let it go for about 2 hours over the fire. Serve with tortilla chips, cheddar and sour cream. Smores for dessert.
Sunday Breakfast: Oatmeal
Weekend Snacks: Granola Bars, chips, nuts, and beer.