During our last trip, my wife and I made pita pizzas (idea came from [url=www.hikeitall.com]www.hikeitall.com[/url]) Take some pita pockets, cut in half. Have the rest of the ingredients in containers of some sort (ziplocks and small nalgenes). Open the pocket, pour in some pizza sauce, add toppings (pepperoni for us), and top with cheese.
In a heated skillet, pour a touch of olive oil, then brown the pita on both sides. My wife at two, and I wished I had four.

It takes only a few minutes to get everything ready and cooked. Tastes great at the end of a trail. Other than the cheese (we used string cheese), the ingredients will last a day or two, so you could have this as a second night's meal.