A chicken bouillon cube.
bouillon cube definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a small cube of concentrated stock for making bouillon
bouillon cube definition by American Heritage Dictionary
A small cube of evaporated seasoned meat, poultry, or vegetable stock, used in making broth or to flavor soups or stews.