Your mini fridge doesn't have a freezer :C?
I'd say you probably do have some space for keeping a pan -- your walls :O I hung a pile of stuff on my kitchen walls with command hooks. Grab a cheap frying pan or maybe even two if you have the wall space, and a spatula from the dollar store (non-metal) and hang them up. You could grab a couple shitty steak knives to cut things -- they kinda blow but I used them while I was in a dorm eating gluten free. They fit in a pencil cup or wherever you keep your writing utensils, or just hang it in a bag on the wall. Last thing you'd need is one plate, and maybe a bowl and a mug(for liquids), but just a plate is fine. Cut/prep everything on the plate, wash it while you're cooking, and then eat off of it. it's kind of crappy, but it fits in a small space, and it's better than deli food every single day.