Meal is simple (10 x rice and potatoes and 2 x potatoes) and all are fresh. The Colonist is closer to the meals than the raw food in the field but still chooses to go eat raw food... he then complains about it.
Possible bug?
Maybe a dumb question, but did you forbid the simple meals?
If you can reproduce this consistently, I'd very much appreciate it if you posted a savegame and world file (zipped together) where the bug happens.
Or at least a screenshot of the circumstances.
I'm also having this issue. Included are the mods that are loaded, however i'm fairly certain none are causing this issue.
They are also deciding to just go starving instead of eating, besides eating raw foods instead of meals.
https://dl.dropboxusercontent.com/u/11780/EatingRawFoodsOrStarving.7z
It's now known that this will happen in some specific circumstances (namely if the colonist is far away from raw food and meals, but the raw is slightly closer). I'll address it for Alpha 10.