boxes of cereal, pasta, boxes of cup-a-soups, instant noodles, tinned meat of some discription, can be used for sandwiches or cubed up to put in omelettes or stir cooked with veg, thrown into soup to make it more substantial - Eg corned beef can be cubed up with a large potato and an onion to make corned beef hash, or mashed into a large baking potato, Dried stuff and tins - can be kept in a box on the floor if nowhere else. Other useful things are a jar of jam, powdered milk. drinking chocolate. I bought for a student once, he said if nothing else he'd always got milk to colour his tea and to go on cereal, and there was always toast and jam if nothing else!