Roasted Barley Salad with Bacon and Vegetables

Name: Roasted Barley Salad with Bacon and Vegetables
Ingredients: 1 3/4 cups pearl barley (3/4 pound); 5 cups chicken stock or canned low-salt chicken broth; 5 cups water; l bay leaf; Salt; 6 slices bacon, cut into 1/2-inch pieces; 2 cloves garlic, sliced thin; 1 carrot, cut into 1/2-inch rounds; 1 tablespoon minced thyme leaves; 1 zucchini, cut 1/2-inch rounds; 4 tablespoon apple cider vinegar; 1/4 cup olive oil; 1/2 pound button mushroom, sliced 1/4-inch thick; 1 bunch Italian parsley, minced (about 3/4 cup)