1/2 cup dried porcini mushrooms (about 1/4 ounce)
1 cup boiling water
Cooking spray
3 1/2 cups sliced cremini mushrooms (about 8 ounces)
1 1/2 cups chopped onion (about 1 medium)
1/2 cup finely chopped carrot (about 1 medium)
1/2 cup finely chopped celery
1/2 cup finely chopped parsnip (about 1 small)
2 garlic cloves, minced
1 tablespoon olive oil
12 ounces lean beef stew meat, cut into bite-sized pieces
6 cups less-sodium beef broth, divided
2 cups water
1/2 teaspoon salt
1/4 teaspoon freshly ground black pepper
2 thyme sprigs
1 cup uncooked barley
2 tablespoons chopped fresh parsley