Well, I think you've already left on your trip, but I'll add my suggestion:

couscous!

my fella and I rode across Pennsylvania and found that couscous was an awesome dinner, even several nights in a row. a little bit goes a long way, and all you have to do is boil a little water. once the water boils, you cut the heat and put the couscous in, cover, and give it 5 minutes to absorb. I brought a few spices along, and found that the snacks we had with us for the day (like dried fruit) made a great addition to the couscous. My favorite: Couscous, a little curry, and dried pineapple.