Not a lot different but dehydrate Prego sauce, onions, pepprs, mushrooms, and (very lean) ground beef separately, long in advance.  On the day I'm planning pasta for supper, put dehydrated ingredients into a nalgene cup at lunch with some water.  Cook angel hair pasta, drain, and add the sauce in that pot.  I kind of chopped up the Prego leather before sealing in my seal a meal.