I used to stock up on the frozen better pre-cooked meals like MRI's that was pretty good but after abit you start yearning for real food haha...   One store chain (Maybe it's Albertson's) was known for its pre-made meals but not frozen...   They are kept cool and wrapped up in their cold sections...  Those are pretty good but you gotta watch closely if the start to spoil on you...  Definitely good for a couple of days being out in the woods somewhere...
I guess on a 14-day trip you may have to take on a few road kills haha... 
There is always peanut butter and jelly and POPCORN haha...
Roy Ken