Oh yeah, true, I remembered that wrong, although now that you made me look it up:

There are laws of magic governing what you can conjure and what you can’t, such as Gamp’s Law of Elemental Transfiguration, to which food is one of the five exceptions (you can’t create food out of nothing) (DH29). However, food can be increased or transported from one place to another.
link

Might not be as direct but should still do the trick of solving hunger.