[Sighs deeply-- Snow White would probably force her way back to this world to give Sebastian a very stern look if he'd let a child go hungry, though.]
Within reason, if you would.
[Granted, Sebastian's greatest source of income is currently banned from the bakery, so in that sense there should be plenty of cake to go around. Even so.]
Living off cakes alone, however, is not healthy. You will make yourself sick having all of that at once.