In the "Copy Editor" newsletter for October-November, AP editor Norm Goldstein explains the stylebook's rule on when to capitalize the adjective in food names: Why french fries and manhattan cocktails but Russian dressing and Manhattan clam chowder?

Well, I read the column three times and ... I'm thoroughly confused. I will memorize the lowercase ones and cap the rest, I guess. But that makes me uncomfortable.

So, a list of the lowercase foods mentioned:

french fries
brussels sprouts
manhattan cocktail
buffalo wings

After that, we're on our own.