Scotch broth Pinterest Facebook Twitter Email A Scottish soup made with lamb or mutton, barley and various vegetables. Also known as barley broth. From The Food Lover's Companion, Fourth edition by Sharon Tyler Herbst and Ron Herbst. Copyright © 2007, 2001, 1995, 1990 by Barron's Educational Series, Inc. Keep Reading Next Up Chicken Stock vs. Chicken Broth Find 1000s of Food Network's best recipes from top chefs, shows and experts. And watch videos demonstrating recipe prep and cooking techniques.