Well then, after the first day, we'll have to have some home-made stuff. Donuts, pizza, ice-cream, ...
Don't worry about gaining weight -- we're going to a low-gravity environment!
Actually, we could have a super-duper sub-zero freezer. Extreme cold temperatures are easy to get in outer space.
We can buy premade frozen doughnuts, and just fry them up when we're ready to eat.