PFF!!! I think if you do a search for 'college' or 'cafeteria' in this forum, you'll find some great threads on this subject. I'd search for you but I have to get to my chores.
That said, there are lots of great options out there. You can do a lot with a microwave and a mini fridge. Do your dorms have any kind of communal kitchen you can use? Most of the ones I've been in do. Or do you have any friends that live in houses? You might be able to borrow their kitchen for a day and make a bunch of stuff you can freeze/refrigerate and reheat in your dorm room.
I'll check back in and see if you've had more replies...I'm going to change your title to see if it helps...I think people might be confused that you mean meal plan in terms of another diet plan.
Thanks for posing a great question!