Mushroom Barley Soup
["4 large onions, chopped", "6 large carrots, peeled and sliced", "1 lb. mushrooms, thinly sliced", "1 lb. stew beef, cut into small cubes", "8 c. beef broth (soup base or mix)", "1 c. medium barley", "1/2 tsp. salt", "1/2 tsp. pepper"]
["Place all ingredients in a large soup pot and bring to a boil, stirring occasionally.", "Reduce heat and simmer, partially covered, for about 1 hour."]
["onions", "carrots", "mushrooms", "stew beef", "beef broth", "barley", "salt", "pepper"]