I had sandwiches in YVR Int'l MLL during the 20-hour AC3007 ordeal in Christmas. They served smoked salmon bagels/sandwiches and other yummies!
Also in YVR Int'l MLL, there are instant noodles available, but AC is not smart enough to place a hot water flask. Instead we had to get hot water from the coffee machine, which is too small for the noodle bowl. You have to hold the bowl, the hot water splashes all over your hands, and the styrofoam bowl gets extremely hot. It won't be long that someone will get hurt and it will be a big excuse for $$$ compensation.