There are several full/empty props (spoon, bowl, cup) in my 1910 Kitchen set (not free):

http://graphxemporium.com/boutigue/index.php?main_page=product_info&cPath=65_98&products_id=240

And I rigged up one eat-and-chew pose for Posette, but that's most likely obsolete:

http://ockhamsbungalow.com/Kitchen/PosetteEatPose.zip

Also see the food in this free set.  I think the bread has a bite-out morph, but
may be misremembering.

http://www.sharecg.com/v/18160/Poser/1930-Refrigerator

Also a full/empty cup and glass in my free 1950 Kitchen:

http://www.sharecg.com/v/38319/Poser/1950-Kitchen

My python page
My ShareCG freebies